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Source: Polygonaceae of North America Update, database (version 2011)

ITIS records citing this source
 
 Kingdom Plantae
  Acanthogonum corrugatum Torr. -- not accepted
  Acanthogonum polygonoides (Torr. & A. Gray) Goodman -- not accepted
  Acanthogonum polygonoides var. longispinum Goodman -- not accepted
  Acanthogonum rigidum Torr. -- not accepted
  Acanthoscyphus Small -- accepted -- flowery puncturebract
  Acanthoscyphus parishii (Parry) Small -- accepted -- Parish's oxytheca
  Acanthoscyphus parishii var. abramsii (McGregor) Reveal -- accepted -- Abrams' oxytheca
  Acanthoscyphus parishii var. cienegensis (Ertter) Reveal -- accepted -- Cienega Seca oxytheca
  Acanthoscyphus parishii var. goodmaniana (Ertter) Reveal -- accepted -- Cushenbury oxytheca
  Acanthoscyphus parishii var. parishii (Parry) Small -- accepted -- Parish's oxytheca
  Acetosa alpestris (Jacq.) Á. Löve -- not accepted
  Acetosa alpestris ssp. lapponica (Hiitonen) Á. Löve -- not accepted
  Acetosa gracilescens (Rech. f.) Á. Löve & Evenson -- not accepted
  Acetosa lapponica (Hiitonen) Holub -- not accepted
  Acetosa oblongifolia (L.) Á. Löve & D. Löve -- not accepted
  Acetosa pratensis ssp. alpestris (Jacq.) Á. Löve -- not accepted
  Acetosa rugosa (Campd.) Holub -- not accepted
  Acetosella acetosella (L.) Small -- not accepted
  Acetosella graminifolia (Rudolph ex Lamb.) Á. Löve -- not accepted
  Acetosella paucifolia (Nutt.) Á. Löve -- not accepted
  Acetosella tenuifolia (Wallr.) Á. Löve -- not accepted
  Acetosella vulgaris (Koch) Fourr. -- not accepted
  Aconogonon (Meisn.) Rchb. -- accepted
  Aconogonon alaskanum (W. Wight ex Harshb.) Soják -- accepted -- Alaska wild rhubarb
  Aconogonon alaskanum var. alaskanum (W. Wight ex Hultén) Soják -- accepted -- Alaska wild rhubarb
  Aconogonon alaskanum var. glabrescens (Hultén) H.R. Hinds -- accepted -- Alaska wild rhubarb
  Aconogonon alpinum (All.) Schur -- accepted -- Alaska wild rhubarb
  Aconogonon campanulatum (Hook. f.) H. Hara -- accepted -- bellflower smartweed
  Aconogonon davisiae (W.H. Brewer ex A. Gray) Soják -- accepted -- Davis' knotweed
  Aconogonon davisiae var. davisiae (W.H. Brewer ex A. Gray) Soják -- accepted -- Davis' knotweed
  Aconogonon davisiae var. glabrum (G.N. Jones) S.P. Hong -- accepted -- Davis' knotweed
  Aconogonon hultenianum (Yurtsev) Tzvelev -- not accepted
  Aconogonon hultenianum var. lapathifolium (Cham. & Schltdl.) S.P. Hong -- not accepted
  Aconogonon newberryi (Small) Soják -- not accepted
  Aconogonon phytolaccifolium (Meisn. ex Small) Small -- accepted -- poke knotweed
  Aconogonon phytolaccifolium var. glabrum S.P. Hong -- accepted -- poke knotweed
  Aconogonon phytolaccifolium var. phytolaccifolium (Meisn. ex Small) Small ex Rydb. -- accepted -- poke knotweed
  Aconogonon polystachyum (Wall. ex Meisn.) Haraldson -- not accepted
  Aconogonum alaskanum (W. Wight ex Hultén) Soják -- not accepted
  Aconogonum alaskanum var. glabrescens (Hultén) H.R. Hinds -- not accepted
  Aconogonum alpinum (All.) Schur -- not accepted
  Aconogonum davisiae (W.H. Brewer ex A. Gray) Soják -- not accepted
  Aconogonum davisiae var. glabrum (G.N. Jones) S.P. Hong -- not accepted
  Aconogonum hultenianum (Yurtsev) Tzvelev -- not accepted
  Aconogonum hultenianum var. lapathifolium (Cham. & Schltdl.) S.P. Hong -- not accepted
  Aconogonum newberryi (Small) Soják -- not accepted
  Aconogonum phytolaccifolium (Meisn. ex Small) Small ex Rydb. -- not accepted
  Aconogonum phytolaccifolium var. glabrum S.P. Hong -- not accepted
  Aconogonum polystachyum (Wall. ex Meisn.) Haraldson -- not accepted
  Ampelygonum perfoliatum (L.) Roberty & Vautier -- not accepted
  Antenoron Raf. -- accepted
  Antenoron neofiliforme (Nakai) H. Hara -- not accepted -- jumpseed
  Antenoron virginianum (L.) Roberty & Vautier -- not accepted
  Antigonon Endl. -- accepted
  Antigonon flavescens S. Watson -- accepted -- lovechain
  Antigonon guatemalense Meisn. -- not accepted -- bellisima grande
  Antigonon leptopus Hook. & Arn. -- accepted -- confederate vine, coral vine, Mexican coral vine, Mexican creeper, queen's jewels, queen's wreath
  Antigonon macrocarpum Britton & Small -- not accepted
  Aristocapsa Reveal & Hardham -- accepted -- spinycape
  Aristocapsa insignis (Curran) Reveal & Hardham -- accepted -- Indian Valley spinycape
  Bilderdykia aubertii (Henry) Moldenke -- not accepted
  Bilderdykia baldschuanica (Regel) D.A. Webb -- not accepted
  Bilderdykia cilinodis (Michx.) Greene -- not accepted
  Bilderdykia cilinodis var. laevigata (Fernald) C.F. Reed -- not accepted
  Bilderdykia convolvulus (L.) Dumort. -- not accepted
  Bilderdykia cristata (Engelm. & A. Gray) Greene -- not accepted
  Bilderdykia dumetorum (L.) Dumort. -- not accepted
  Bilderdykia scandens (L.) Greene -- not accepted
  Bilderdykia scandens var. cristata (Engelm. & A. Gray) C.F. Reed -- not accepted
  Bistorta (L.) Scopoli -- accepted -- bistort
  Bistorta bistortoides (Pursh) Small -- accepted -- American bistort
  Bistorta officinalis Delarbre -- accepted -- meadow bistort
  Bistorta plumosa (Small) Greene -- accepted -- meadow bistort
  Bistorta vivipara (L.) Gray -- not accepted -- alpine bistort
  Brunnichia Banks ex Gaertn. -- accepted -- buckwheat vine
  Brunnichia cirrhosa Gaertn. -- not accepted
  Brunnichia ovata (Walter) Shinners -- accepted -- American buckwheat vine, buckwheat vine, redvine
  Calligonum L. -- accepted
  Calligonum aphyllum (Pall.) Gürke -- accepted
  Calligonum caput-medusae Schrenk -- accepted
  Calligonum leucocladum (Schrenk) Bunge -- accepted
  Calligonum microcarpum I.G. Borshch. -- accepted
  Centrostegia A. Gray ex Benth. -- accepted
  Centrostegia insignis (Curran) A. Heller -- not accepted
  Centrostegia leptoceras A. Gray -- not accepted
  Centrostegia thurberi A. Gray ex Benth. -- accepted -- red triangles, spring flower
  Centrostegia thurberi var. macrotheca (J.T. Howell) Goodman -- not accepted
  Centrostegia vortriedei (Brandegee) Goodman -- not accepted
  Chorizanthe R. Br. ex Benth. -- accepted -- spineflower
  Chorizanthe angustifolia Nutt. -- accepted -- narrowleaf spineflower
  Chorizanthe angustifolia var. eastwoodiae Goodman -- not accepted
  Chorizanthe biloba Goodman -- accepted -- twolobe spineflower
  Chorizanthe biloba var. biloba Goodman -- accepted -- twolobe spineflower
  Chorizanthe biloba var. immemora Reveal & Hardham -- accepted -- San Benito spineflower, twolobe spineflower
  Chorizanthe blakleyi Hardham -- accepted -- Blakley's spineflower
  Chorizanthe brevicornu Torr. -- accepted -- brittle spineflower, sagebrush chorizanthe
  Chorizanthe brevicornu ssp. spathulata (Small ex Rydb.) Munz -- not accepted
  Chorizanthe brevicornu var. brevicornu Torr. -- accepted -- brittle spineflower
  Chorizanthe brevicornu var. spathulata (Small ex Rydb.) C.L. Hitchc. -- accepted -- brittle spineflower
  Chorizanthe breweri S. Watson -- accepted -- Brewer's spineflower, San Luis Obispo spineflower
  Chorizanthe californica (Benth.) A. Gray -- not accepted
  Chorizanthe californica var. suksdorfii J.F. Macbr. -- not accepted
  Chorizanthe chrysacantha Goodman -- not accepted
  Chorizanthe chrysacantha var. compacta Goodman -- not accepted
  Chorizanthe clevelandii Parry -- accepted -- Cleveland's spineflower
  Chorizanthe coriacea Goodman -- not accepted
  Chorizanthe corrugata (Torr.) Torr. & A. Gray -- accepted -- wrinkled chorizanthe, wrinkled spineflower
  Chorizanthe cuspidata S. Watson -- accepted -- San Francisco spineflower
  Chorizanthe cuspidata var. cuspidata S. Watson -- accepted -- San Francisco Bay spineflower, San Francisco spineflower
  Chorizanthe cuspidata var. marginata Goodman -- not accepted
  Chorizanthe cuspidata var. villosa (Eastw.) Munz -- accepted -- San Francisco spineflower
  Chorizanthe diffusa Benth. -- accepted -- diffuse spineflower
  Chorizanthe diffusa var. nivea (Curran) Hoover -- not accepted
  Chorizanthe discolor Nutt. -- not accepted
  Chorizanthe douglasii Benth. -- accepted -- Douglas' spineflower, San Benito spineflower
  Chorizanthe douglasii var. hartwegii Benth. -- not accepted
  Chorizanthe fernandina S. Watson -- not accepted
  Chorizanthe fimbriata Nutt. -- accepted -- fringed spineflower
  Chorizanthe fimbriata var. fimbriata Nutt. -- accepted -- fringed spineflower
  Chorizanthe fimbriata var. laciniata (Torr.) Jeps. -- accepted -- fringed spineflower
  Chorizanthe howellii Goodman -- accepted -- Howell's spineflower, Mendocino spineflower
  Chorizanthe insignis Curran -- not accepted -- Indian Valley chorizanthe
  Chorizanthe jonesiana Goodman -- not accepted
  Chorizanthe laciniata Torr. -- not accepted
  Chorizanthe lastarriaea Parry -- not accepted
  Chorizanthe leptoceras (A. Gray) S. Watson -- not accepted
  Chorizanthe leptotheca Goodman -- accepted -- Ramona spineflower
  Chorizanthe membranacea Benth. -- accepted -- pink spineflower
  Chorizanthe nivea (Curran) A. Heller -- not accepted
  Chorizanthe obovata Goodman -- accepted -- spoonsepal spineflower
  Chorizanthe orcuttiana Parry -- accepted -- Orcutt's spineflower, San Diego spineflower
  Chorizanthe palmeri S. Watson -- accepted -- Palmer's spineflower
  Chorizanthe palmeri var. biloba (Goodman) Munz -- not accepted
  Chorizanthe palmeri var. ventricosa (Goodman) Munz -- not accepted
  Chorizanthe parryi S. Watson -- accepted -- San Bernardino spineflower
  Chorizanthe parryi var. fernandina (S. Watson) Jeps. -- accepted -- San Fernando Valley spineflower
  Chorizanthe parryi var. parryi S. Watson -- accepted -- Parry's spineflower, San Bernardino spineflower
  Chorizanthe perfoliata A. Gray -- not accepted
  Chorizanthe perfoliata var. opaca (Hoover) Munz -- not accepted
  Chorizanthe polygonoides Torr. & A. Gray -- accepted -- knotweed spineflower
  Chorizanthe polygonoides ssp. longispina (Goodman) Munz -- not accepted
  Chorizanthe polygonoides var. longispina (Goodman) Munz -- accepted -- knotweed spineflower
  Chorizanthe polygonoides var. polygonoides Torr. & A. Gray -- accepted -- knotweed spineflower
  Chorizanthe procumbens Nutt. -- accepted -- prostrate spineflower
  Chorizanthe procumbens var. albiflora Goodman -- not accepted
  Chorizanthe pungens Benth. -- accepted -- Monterey spineflower
  Chorizanthe pungens var. hartwegiana Reveal & Hardham -- accepted -- Ben Lomond spineflower, Hartweg's spineflower
  Chorizanthe pungens var. hartwegii (Benth.) Goodman -- not accepted
  Chorizanthe pungens var. nivea Curran -- not accepted
  Chorizanthe pungens var. pungens Benth. -- accepted -- Monterey spineflower
  Chorizanthe rectispina Goodman -- accepted -- one-awned spineflower, prickly spineflower
  Chorizanthe rigida (Torr.) Torr. & A. Gray -- accepted -- devil's spineflower, spiny chorizanthe, turkshead
  Chorizanthe robusta Parry -- accepted -- robust spineflower
  Chorizanthe robusta var. hartwegii (Benth.) Reveal & R. Morgan -- accepted -- robust spineflower
  Chorizanthe robusta var. robusta Parry -- accepted -- robust spineflower
  Chorizanthe spathulata Small ex Rydb. -- not accepted
  Chorizanthe spinosa S. Watson -- accepted -- Mojave spineflower
  Chorizanthe staticoides Benth. -- accepted -- Turkish rugging
  Chorizanthe staticoides ssp. chrysacantha (Goodman) Munz -- not accepted -- Turkish rugging
  Chorizanthe staticoides var. brevispina Goodman -- not accepted
  Chorizanthe staticoides var. elata Goodman -- not accepted
  Chorizanthe staticoides var. latiloba Goodman -- not accepted
  Chorizanthe stellulata Benth. -- accepted -- starlet spineflower
  Chorizanthe thurberi (A. Gray ex Benth.) S. Watson -- not accepted
  Chorizanthe thurberi var. macrotheca J.T. Howell -- not accepted
  Chorizanthe uncinata Nutt. -- not accepted
  Chorizanthe uniaristata Torr. & A. Gray -- accepted -- oneawn spineflower
  Chorizanthe valida S. Watson -- accepted -- Sonoma spineflower
  Chorizanthe ventricosa Goodman -- accepted -- Priest Valley spineflower
  Chorizanthe villosa Eastw. -- not accepted
  Chorizanthe vortriedei Brandegee -- not accepted
  Chorizanthe watsonii Torr. & A. Gray -- accepted -- five-tooth spineflower, fivetooth spineflower, Watson's chorizanthe
  Chorizanthe wheeleri S. Watson -- accepted -- Santa Barbara spineflower
  Chorizanthe xanti S. Watson -- accepted -- Riverside spineflower
  Chorizanthe xanti ssp. leucotheca (Goodman) Munz -- not accepted
  Chorizanthe xanti var. leucotheca Goodman -- accepted -- Riverside spineflower
  Chorizanthe xanti var. xanti S. Watson -- accepted -- Riverside spineflower
  Chorizanthe xantii ssp. leucotheca (Goodman) Munz -- not accepted
  Coccoloba P. Browne -- accepted
  Coccoloba borinquensis Britton -- not accepted
  Coccoloba costata C. Wright ex Sauvalle -- accepted -- uvilla
  Coccoloba diversifolia Jacq. -- accepted -- pigeon plum, tietongue
  Coccoloba floridana Meisn. -- not accepted
  Coccoloba grandifolia Jacq. -- not accepted
  Coccoloba krugii Lindau -- accepted -- whitewood
  Coccoloba laurifolia auct. non Jacq. -- not accepted
  Coccoloba microstachya Willd. -- accepted -- puckhout
  Coccoloba obtusifolia auct. non Jacq. -- not accepted
  Coccoloba pallida C. Wright ex Griseb. -- accepted -- pale seagrape
  Coccoloba pubescens L. -- accepted -- grandleaf seagrape
  Coccoloba pyrifolia Desf. -- accepted -- uvera
  Coccoloba rugosa Desf. -- accepted -- ortegon
  Coccoloba rupicola Urb. -- not accepted
  Coccoloba sintenisii Urb. ex Lindau -- accepted -- uvero de monte
  Coccoloba swartzii Meisn. -- accepted -- Swartz's pigeonplum
  Coccoloba swartzii var. portoricensis Meisn. -- not accepted
  Coccoloba tenuifolia L. -- accepted -- Bahama pigeonplum
  Coccoloba uvifera (L.) L. -- accepted -- seagrape
  Coccoloba venosa L. -- accepted -- false chiggergrape
  Corculum leptopus (Hook. & Arn.) Stuntz -- not accepted
  Dedeckera Reveal & J.T. Howell -- accepted -- July gold, Mary's grass
  Dedeckera eurekensis Reveal & J.T. Howell -- accepted -- July gold
  Delopyrum articulatum (L.) Small -- not accepted
  Delopyrum basiramia Small -- not accepted
  Delopyrum ciliatum (Meisn.) Small -- not accepted
  Delopyrum filiforme Small -- not accepted
  Delopyrum gracile (Nutt.) Small -- not accepted
  Dentoceras myriophylla Small -- not accepted
  Dodecahema Reveal & Hardham -- accepted -- spineflower
  Dodecahema leptoceras (A. Gray) Reveal & Hardham -- accepted -- slender-horned spineflower, slenderhorn spineflower
  Duravia bidwelliae (S. Watson) Greene -- not accepted
  Emex Neck. ex Campd. -- accepted -- threecornerjack
  Emex australis Steinh. -- accepted -- southern threecornerjack, three-cornered jack
  Emex spinosa (L.) Campd. -- accepted -- devil's thorn, spiny threecornerjack
  Eriogonella leptoceras (A. Gray) Goodman -- not accepted
  Eriogonella membranacea (Benth.) Goodman -- not accepted
  Eriogonella spinosa (S. Watson) Goodman -- not accepted
  Eriogonum Michx. -- accepted -- buckwheat, ériogones, wild buckwheat
  Eriogonum abertianum Torr. -- accepted -- Abert's buckwheat
  Eriogonum abertianum var. abertianum Torr. -- not accepted -- Abert's buckwheat
  Eriogonum abertianum var. cyclosepalum (Greene) Fosberg -- not accepted -- Abert's buckwheat
  Eriogonum abertianum var. gillespiei Fosberg -- not accepted
  Eriogonum abertianum var. neomexicanum Gand. -- not accepted
  Eriogonum abertianum var. villosum Fosberg -- not accepted
  Eriogonum abramsii (McGregor) S. Stokes -- not accepted
  Eriogonum acaule Nutt. -- accepted -- pointed eriogonum, singlestem buckwheat
  Eriogonum ainsliei Standl. -- not accepted
  Eriogonum alatum Torr. -- accepted -- wing eriogonum, winged buckwheat
  Eriogonum alatum ssp. triste (S. Watson) S. Stokes -- not accepted
  Eriogonum alatum var. alatum Torr. -- accepted -- winged buckwheat
  Eriogonum alatum var. glabriusculum Torr. -- accepted -- winged buckwheat
  Eriogonum alatum var. mogollense S. Stokes ex M.E. Jones -- not accepted -- winged buckwheat
  Eriogonum aliquantum Reveal -- accepted -- Cimarron buckwheat, Cimarron wild-buckwheat
  Eriogonum allenii S. Watson -- accepted -- shale barren buckwheat, shalebarren buckwheat
  Eriogonum alpinum Engelm. -- accepted -- Trinity buckwheat
  Eriogonum ambiguum M.E. Jones -- not accepted
  Eriogonum ammophilum Reveal -- accepted -- ibex buckwheat, sand-loving wild-buckwheat
  Eriogonum ampullaceum J.T. Howell -- accepted -- Mono buckwheat
  Eriogonum androsaceum Benth. -- accepted -- rockjasmine buckwheat
  Eriogonum anemophilum Greene -- accepted -- west Humboldt buckwheat, windloving buckwheat
  Eriogonum angulosum Benth. -- accepted -- anglestem buckwheat
  Eriogonum angulosum ssp. maculatum (A. Heller) S. Stokes -- not accepted
  Eriogonum angulosum ssp. viridescens (A. Heller) S. Stokes -- not accepted
  Eriogonum angulosum var. maculatum (A. Heller) Jeps. -- not accepted
  Eriogonum angustifolium Nutt. -- not accepted
  Eriogonum annuum Nutt. -- accepted -- annual buckwheat, annual eriogonum, annual wild buckwheat, annual wildbuckwheat, umbrella plant, wild buckwheat
  Eriogonum apachense Reveal -- not accepted -- Apache buckwheat, Apache wild-buckwheat
  Eriogonum apiculatum S. Watson -- accepted -- San Jacinto buckwheat
  Eriogonum apricum J.T. Howell -- accepted -- Ione buckwheat
  Eriogonum apricum var. apricum J.T. Howell -- accepted -- Ione buckwheat
  Eriogonum apricum var. prostratum Myatt -- accepted -- Irish Hill buckwheat
  Eriogonum arborescens Greene -- accepted -- Santa Cruz Island buckwheat
  Eriogonum arcuatum Greene -- accepted
  Eriogonum arcuatum var. arcuatum Greene -- accepted -- Baker's buckwheat
  Eriogonum arcuatum var. rupicola (Reveal) Reveal -- accepted
  Eriogonum arcuatum var. xanthum (Small) Reveal -- accepted -- Ivy League buckwheat
  Eriogonum aretioides Barneby -- accepted -- Red Canyon buckwheat, Widstoe wild-buckwheat
  Eriogonum argillosum J.T. Howell -- accepted -- clay buckwheat
  Eriogonum argophyllum Reveal -- accepted -- Sulphur Hot Springs buckwheat, Sulphur Springs buckwheat
  Eriogonum arizonicum S. Stokes ex M.E. Jones -- accepted -- Arizona buckwheat
  Eriogonum artificis Reveal -- accepted -- Kaye's buckwheat
  Eriogonum atrorubens Engelm. -- accepted -- buckwheat, red buckwheat
  Eriogonum atrorubens var. atrorubens Engelm. -- accepted -- red buckwheat
  Eriogonum aureum M.E. Jones -- not accepted
  Eriogonum aureum var. glutinosum M.E. Jones -- not accepted
  Eriogonum baileyi S. Watson -- accepted -- Bailey's buckwheat
  Eriogonum baileyi ssp. elegans (Greene) Munz -- not accepted
  Eriogonum baileyi var. baileyi S. Watson -- accepted -- Bailey's buckwheat
  Eriogonum baileyi var. brachyanthum (Coville) Jeps. -- not accepted
  Eriogonum baileyi var. divaricatum (Gand.) Reveal -- not accepted
  Eriogonum baileyi var. praebens (Gand.) Reveal -- accepted -- Bailey's buckwheat
  Eriogonum baileyi var. tomentosum S. Watson -- not accepted
  Eriogonum bakeri Greene -- not accepted
  Eriogonum barbatum Elmer -- not accepted
  Eriogonum batemanii M.E. Jones -- accepted -- Bateman's buckwheat
  Eriogonum batemanii var. eremicum (Reveal) S.L. Welsh -- not accepted
  Eriogonum batemanii var. ostlundii (M.E. Jones) S.L. Welsh -- not accepted
  Eriogonum beatleyae Reveal -- not accepted -- Beatley wild buckwheat, Beatley's buckwheat
  Eriogonum bellum S. Stokes -- not accepted
  Eriogonum bicolor M.E. Jones -- accepted -- pretty buckwheat
  Eriogonum bidentatum Jeps. -- not accepted
  Eriogonum bifurcatum Reveal -- accepted -- forked buckwheat, Pahrump buckwheat, Pahrump Valley buckwheat
  Eriogonum brachyanthum Coville -- accepted -- shortflower buckwheat
  Eriogonum brachypodum Torr. & A. Gray -- accepted -- Parry's buckwheat, Parry's wild buckwheat
  Eriogonum brandegeei Rydb. -- accepted -- Brandegee's buckwheat, Brandegee's wild buckwheat
  Eriogonum breedlovei (J.T. Howell) Reveal -- accepted -- Paiute buckwheat, Piute buckwheat
  Eriogonum breedlovei var. breedlovei (J.T. Howell) Reveal -- accepted -- Paiute buckwheat, Piute buckwheat
  Eriogonum breedlovei var. shevockii J.T. Howell -- accepted -- Needle's buckwheat, The Needles buckwheat
  Eriogonum brevicaule Nutt. -- accepted -- shortstem buckwheat
  Eriogonum brevicaule ssp. grangerense (M.E. Jones) S. Stokes -- not accepted
  Eriogonum brevicaule ssp. orendense (A. Nelson) S. Stokes -- not accepted
  Eriogonum brevicaule var. bannockense (S. Stokes) Reveal -- accepted -- Bannock buckwheat
  Eriogonum brevicaule var. brevicaule Nutt. -- accepted -- shortstem buckwheat
  Eriogonum brevicaule var. caelitum Reveal -- accepted -- Wasatch Plateau buckwheat
  Eriogonum brevicaule var. canum (S. Stokes) Dorn -- accepted -- parasol buckwheat
  Eriogonum brevicaule var. cottamii (S. Stokes) Reveal -- accepted -- Cottam's buckwheat
  Eriogonum brevicaule var. desertorum (Maguire) S.L. Welsh -- not accepted
  Eriogonum brevicaule var. ephedroides (Reveal) S.L. Welsh -- not accepted
  Eriogonum brevicaule var. laxifolium (Torr. & A. Gray) Reveal -- accepted -- goldenball eriogonum, shortstem buckwheat
  Eriogonum brevicaule var. loganum (A. Nelson) S.L. Welsh -- not accepted
  Eriogonum brevicaule var. micranthum (Nutt.) Reveal -- accepted -- shortstem buckwheat
  Eriogonum brevicaule var. nanum (Reveal) S.L. Welsh -- accepted -- dwarf buckwheat
  Eriogonum brevicaule var. promiscuum S.L. Welsh -- not accepted
  Eriogonum brevicaule var. viridulum (Reveal) S.L. Welsh -- not accepted
  Eriogonum brevicaule var. wasatchense (M.E. Jones) Reveal -- not accepted -- Wasatch buckwheat
  Eriogonum butterworthianum J.T. Howell -- accepted -- Butterworth's buckwheat
  Eriogonum caespitosum Nutt. -- accepted -- mat buckwheat, mat eriogonum, matted buckwheat, matted wild buckwheat
  Eriogonum caespitosum var. acaule (Nutt.) R.J. Davis -- not accepted
  Eriogonum caespitosum var. douglasii (Benth.) M.E. Jones -- not accepted
  Eriogonum callistum Reveal -- accepted
  Eriogonum campanulatum Nutt. -- not accepted
  Eriogonum caninum (Greene) Munz -- not accepted -- Tiburon wild buckwheat
  Eriogonum capillare Small -- accepted -- San Carlos buckwheat, San Carlos wild-buckwheat
  Eriogonum capistratum Reveal -- not accepted -- hidden buckwheat
  Eriogonum capistratum var. capistratum Reveal -- not accepted -- hidden buckwheat
  Eriogonum capistratum var. muhlickii Reveal -- not accepted -- Muhlick's buckwheat
  Eriogonum capistratum var. welshii Reveal -- not accepted -- Welsh's buckwheat
  Eriogonum carneum (J.T. Howell) Reveal -- not accepted
  Eriogonum cernuum Nutt. -- accepted -- nodding buckwheat, nodding eriogonum, nodding wild buckwheat
  Eriogonum cernuum ssp. acutangulum (Gand.) S. Stokes -- not accepted
  Eriogonum cernuum ssp. tenue (Torr. & A. Gray) S. Stokes -- not accepted
  Eriogonum cernuum ssp. viminale S. Stokes -- not accepted
  Eriogonum cernuum var. cernuum Nutt. -- not accepted -- nodding buckwheat, nodding wild buckwheat
  Eriogonum cernuum var. tenue Torr. & A. Gray -- not accepted
  Eriogonum cernuum var. viminale (S. Stokes) Reveal -- not accepted -- nodding buckwheat
  Eriogonum chrysocephalum A. Gray -- not accepted
  Eriogonum chrysocephalum ssp. alpestre S. Stokes -- not accepted
  Eriogonum chrysocephalum ssp. bannockense S. Stokes -- not accepted
  Eriogonum chrysocephalum ssp. cusickii (M.E. Jones) S. Stokes -- not accepted
  Eriogonum chrysocephalum ssp. desertorum Maguire -- not accepted
  Eriogonum chrysops Rydb. -- accepted -- bitterroot buckwheat, golden buckwheat
  Eriogonum cinereum Benth. -- accepted -- coastal buckwheat
  Eriogonum cithariforme S. Watson -- accepted -- Cithara buckwheat
  Eriogonum cithariforme var. agninum (Greene) Reveal -- accepted -- Cithara buckwheat
  Eriogonum cithariforme var. cithariforme S. Watson -- accepted -- Cithara buckwheat
  Eriogonum clavatum Small -- accepted -- Hoover's deserttrumpet
  Eriogonum clavellatum Small -- accepted -- Comb Wash buckwheat
  Eriogonum clutei Rydb. -- not accepted
  Eriogonum codium Reveal, Caplow & K.A. Beck -- accepted -- basalt desert buckwheat, Umtanum Desert buckwheat
  Eriogonum cognatum Greene -- not accepted
  Eriogonum collinum S. Stokes ex M.E. Jones -- accepted -- hill buckwheat, juniper buckwheat
  Eriogonum coloradense Small -- accepted -- Colorado buckwheat
  Eriogonum commixtum Greene ex Tidestr. -- not accepted
  Eriogonum compositum Douglas ex Benth. -- accepted -- arrowleaf buckwheat
  Eriogonum compositum var. compositum Douglas ex Benth. -- accepted -- arrowleaf buckwheat
  Eriogonum compositum var. lancifolium H. St. John & Warren -- accepted -- arrowleaf buckwheat
  Eriogonum compositum var. leianthum Hook. -- accepted -- arrowleaf buckwheat
  Eriogonum concinnum Reveal -- accepted -- Darin's buckwheat, mourning buckwheat
  Eriogonum congdonii (S. Stokes) Reveal -- accepted -- Congdon's buckwheat
  Eriogonum contiguum (Reveal) Reveal -- accepted -- Ash Meadows buckwheat, Reveal's buckwheat
  Eriogonum contortum Small -- accepted -- grand buckwheat
  Eriogonum correllii Reveal -- accepted -- Correll's buckwheat
  Eriogonum corymbosum Benth. -- accepted -- corymbed buckwheat, corymbed wildbuckwheat, crispleaf buckwheat, white buckwheat
  Eriogonum corymbosum var. albiflorum (Reveal) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. albogilvum Reveal -- not accepted
  Eriogonum corymbosum var. atwoodii (Reveal) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. aureum (M.E. Jones) Reveal -- accepted -- crispleaf buckwheat
  Eriogonum corymbosum var. corymbosum Benth. -- accepted -- crispleaf buckwheat
  Eriogonum corymbosum var. cronquistii (Reveal) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. davidsei Reveal -- not accepted -- Davidse's buckwheat
  Eriogonum corymbosum var. divaricatum Torr. & A. Gray -- not accepted
  Eriogonum corymbosum var. erectum Reveal & Brotherson -- not accepted -- erect buckwheat
  Eriogonum corymbosum var. glutinosum (M.E. Jones) M.E. Jones -- accepted -- crispleaf buckwheat
  Eriogonum corymbosum var. heilii Reveal -- accepted -- Heil's buckwheat
  Eriogonum corymbosum var. humivagans (Reveal) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. hylophilum (Reveal & Brotherson) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. matthewsiae Reveal -- not accepted
  Eriogonum corymbosum var. nilesii Reveal -- accepted -- Las Vegas buckwheat, Niles's buckwheat
  Eriogonum corymbosum var. orbiculatum (S. Stokes) Reveal & Brotherson -- accepted -- crispleaf buckwheat, roundleaf buckwheat
  Eriogonum corymbosum var. revealianum (S.L. Welsh) Reveal -- accepted -- crispleaf buckwheat
  Eriogonum corymbosum var. smithii (Reveal) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. thompsoniae (S. Watson) S.L. Welsh -- not accepted
  Eriogonum corymbosum var. velutinum Reveal -- accepted -- crispleaf buckwheat
  Eriogonum covilleanum Eastw. -- accepted -- Coville's buckwheat
  Eriogonum covilleanum ssp. adsurgens (Jeps.) Abrams -- not accepted
  Eriogonum covillei Small -- not accepted
  Eriogonum crocatum Davidson -- accepted -- Conejo buckwheat
  Eriogonum cronquistii Reveal -- accepted -- Bull Mountain buckwheat, Cronquist wild-buckwheat
  Eriogonum crosbyae Reveal -- accepted -- Crosby's buckwheat
  Eriogonum cusickii M.E. Jones -- accepted -- Cusick's buckwheat
  Eriogonum cyclosepalum Greene -- not accepted
  Eriogonum darrovii Kearney -- accepted -- carrot buckwheat, Darrow's buckwheat, Darrow's wild buckwheat
  Eriogonum dasyanthemum Torr. & A. Gray -- accepted -- chaparral buckwheat
  Eriogonum davidsonii Greene -- accepted -- Davidson's buckwheat, Davidson's wild buckwheat
  Eriogonum davisianum S. Stokes -- not accepted
  Eriogonum deflexum Torr. -- accepted -- flatcrown buckwheat, skeletonweed, skeletonweed buckwheat
  Eriogonum deflexum ssp. baratum (Elmer) Munz -- not accepted
  Eriogonum deflexum ssp. exaltatum (M.E. Jones) S. Stokes -- not accepted
  Eriogonum deflexum ssp. insigne (S. Watson) S. Stokes -- not accepted
  Eriogonum deflexum ssp. rixfordii (S. Stokes) Munz -- not accepted
  Eriogonum deflexum ssp. ultrum S. Stokes -- not accepted
  Eriogonum deflexum ssp. watsonii (Torr. & A. Gray) S. Stokes -- not accepted
  Eriogonum deflexum var. baratum (Elmer) Reveal -- accepted -- flatcrown buckwheat
  Eriogonum deflexum var. brachypodum (Torr. & A. Gray) Munz -- not accepted
  Eriogonum deflexum var. deflexum Torr. -- accepted -- flatcrown buckwheat
  Eriogonum deflexum var. multipedunculatum (S. Stokes) C.L. Hitchc. -- not accepted
  Eriogonum deflexum var. nevadense Reveal -- accepted -- Nevada buckwheat
  Eriogonum deflexum var. rectum Reveal -- not accepted -- flatcrown buckwheat
  Eriogonum deflexum var. turbinatum (Small) Reveal -- not accepted
  Eriogonum deflexum var. watsonii (Torr. & A. Gray) R.J. Davis -- not accepted
  Eriogonum dendroideum (Nutt.) S. Stokes -- not accepted
  Eriogonum dendroideum var. foliosum (Nutt.) M.E. Jones -- not accepted
  Eriogonum dendroideum var. hillmanii S. Stokes -- not accepted
  Eriogonum densum Greene -- not accepted
  Eriogonum depauperatum Small -- not accepted
  Eriogonum deserticola S. Watson -- accepted -- Colorado Desert buckwheat, desert wild buckwheat
  Eriogonum desertorum (Maguire) R.J. Davis -- accepted -- desert buckwheat, Great Basin Desert buckwheat
  Eriogonum diatomaceum Reveal, J. Reynolds & Picciani -- accepted -- Churchill Narrows buckwheat
  Eriogonum diclinum Reveal -- accepted -- Jaynes Canyon buckwheat
  Eriogonum divaricatum Hook. -- accepted -- divergent buckwheat, divergent wild buckwheat
  Eriogonum divergens Small -- not accepted
  Eriogonum douglasii Benth. -- accepted -- Douglas' buckwheat
  Eriogonum douglasii var. douglasii Benth. -- accepted -- Douglas' buckwheat
  Eriogonum douglasii var. elkoense Reveal -- accepted -- Sunflower flat buckwheat
  Eriogonum douglasii var. meridionale Reveal -- accepted -- southern buckwheat
  Eriogonum douglasii var. sublineare (S. Stokes) Reveal -- not accepted -- Douglas' buckwheat
  Eriogonum douglasii var. tenue (Small) C.L. Hitchc. -- not accepted
  Eriogonum dudleyanum S. Stokes -- not accepted
  Eriogonum eastwoodianum J.T. Howell -- accepted -- Eastwood's buckwheat
  Eriogonum effusum Nutt. -- accepted -- buckwheat eriogonum, spreading buckwheat
  Eriogonum effusum ssp. durum S. Stokes -- not accepted
  Eriogonum effusum ssp. nelsonii (L.O. Williams) S. Stokes -- not accepted
  Eriogonum effusum ssp. orbiculatum S. Stokes -- not accepted
  Eriogonum effusum ssp. salinum (A. Nelson) S. Stokes -- not accepted
  Eriogonum effusum var. ambiguum (M.E. Jones) S. Stokes -- not accepted
  Eriogonum effusum var. effusum Nutt. -- not accepted -- spreading buckwheat
  Eriogonum effusum var. leptophyllum Torr. -- not accepted
  Eriogonum effusum var. rosmarinoides Benth. -- not accepted -- spreading buckwheat
  Eriogonum effusum var. shandsii S. Stokes -- not accepted
  Eriogonum elatum Douglas ex Benth. -- accepted -- rush buckwheat, tall woolly buckwheat
  Eriogonum elatum ssp. glabrescens S. Stokes -- not accepted
  Eriogonum elatum ssp. villosum (Jeps.) Munz ex Reveal -- not accepted
  Eriogonum elatum var. elatum Douglas ex Benth. -- accepted -- tall woolly buckwheat
  Eriogonum elatum var. villosum Jeps. -- accepted -- tall woolly buckwheat
  Eriogonum elegans Greene -- accepted -- elegant buckwheat
  Eriogonum elongatum Benth. -- accepted -- longstem buckwheat
  Eriogonum elongatum var. elongatum Benth. -- accepted -- long-stem buckwheat
  Eriogonum ephedroides Reveal -- accepted -- ephedra buckwheat, ephedra wild buckwheat
  Eriogonum eremicola J.T. Howell & Reveal -- accepted -- Telescope Peak buckwheat, Wild Rose Canyon buckwheat
  Eriogonum eremicum Reveal -- accepted -- limestone buckwheat, limestone wild buckwheat
  Eriogonum ericifolium Torr. & A. Gray -- accepted -- Yavapai buckwheat, Yavapai County buckwheat
  Eriogonum ericifolium ssp. thornei (Reveal & Henrickson) Thorne -- not accepted
  Eriogonum ericifolium var. ericifolium Torr. & A. Gray -- not accepted -- Yavapai buckwheat, Yavapai County buckwheat
  Eriogonum ericifolium var. pulchrum (Eastw.) Reveal -- not accepted -- Yavapai buckwheat, Yavapai County buckwheat
  Eriogonum ericifolium var. thornei Reveal & Henrickson -- not accepted -- Thorne's buckwheat
  Eriogonum esmeraldense S. Watson -- accepted -- Esmeralda buckwheat
  Eriogonum esmeraldense var. esmeraldense S. Watson -- accepted -- Esmeralda buckwheat
  Eriogonum esmeraldense var. toiyabense J.T. Howell -- accepted -- Toiyabe buckwheat
  Eriogonum evanidum Reveal -- accepted -- Baja buckwheat
  Eriogonum exaltatum M.E. Jones -- accepted -- ladder buckwheat
  Eriogonum exilifolium Reveal -- accepted -- dropleaf buckwheat
  Eriogonum fasciculatum Benth. -- accepted -- Eastern Mojave buckwheat, flattop buckwheat, yellow buckwheat
  Eriogonum fasciculatum ssp. flavoviride (Munz & I.M. Johnst.) S. Stokes -- not accepted
  Eriogonum fasciculatum ssp. foliolosum (Nutt.) S. Stokes -- not accepted
  Eriogonum fasciculatum ssp. polifolium (Benth.) S. Stokes -- not accepted
  Eriogonum fasciculatum var. fasciculatum Benth. -- accepted -- Eastern Mojave buckwheat
  Eriogonum fasciculatum var. flavoviride Munz & I.M. Johnst. -- accepted -- Eastern Mojave buckwheat
  Eriogonum fasciculatum var. foliolosum (Nutt.) S. Stokes ex Abrams -- accepted -- Eastern Mojave buckwheat
  Eriogonum fasciculatum var. polifolium (Benth.) Torr. & A. Gray -- accepted -- Eastern Mojave buckwheat, flattop buckwheat, Mojave buckwheat
  Eriogonum fasciculatum var. revolutum (Goodd.) S. Stokes -- not accepted
  Eriogonum fendlerianum (Benth.) Small -- not accepted
  Eriogonum filicaule S. Stokes -- not accepted
  Eriogonum flavissimum Gand. -- not accepted
  Eriogonum flavum Nutt. -- accepted -- alpine golden buckwheat, yellow eriogonum
  Eriogonum flavum ssp. crassifolium (Benth.) S. Stokes -- not accepted
  Eriogonum flavum ssp. piperi (Greene) S. Stokes -- not accepted
  Eriogonum flavum var. androsaceum (Benth.) M.E. Jones -- not accepted
  Eriogonum flavum var. aquilinum Reveal -- accepted -- alpine golden buckwheat
  Eriogonum flavum var. crassifolium (Benth.) Benth. -- not accepted
  Eriogonum flavum var. flavum Nutt. -- accepted -- alpine golden buckwheat
  Eriogonum flavum var. linguifolium Gand. -- not accepted
  Eriogonum flavum var. piperi (Greene) M.E. Jones -- accepted -- Piper's eriogonum, Piper's golden buckwheat
  Eriogonum flavum var. polyphyllum (Small ex Rydb.) M.E. Jones -- not accepted -- alpine golden buckwheat
  Eriogonum flavum var. xanthum (Small) S. Stokes -- not accepted
  Eriogonum flexum M.E. Jones -- not accepted
  Eriogonum flexum var. ferronis M.E. Jones -- not accepted
  Eriogonum floridanum Small -- not accepted
  Eriogonum foliosum S. Watson -- accepted -- Baja buckwheat
  Eriogonum fruticulosum S. Stokes -- not accepted
  Eriogonum fusiforme Small -- accepted -- Native American pipeweed
  Eriogonum giganteum S. Watson -- accepted -- St. Catherine's lace
  Eriogonum giganteum ssp. compactum (Dunkle) Munz -- not accepted
  Eriogonum giganteum ssp. formosum (Brandegee) P.H. Raven -- not accepted
  Eriogonum giganteum var. compactum Dunkle -- accepted -- Santa Barbara Island buckwheat
  Eriogonum giganteum var. formosum Brandegee -- accepted -- San Clemente Island buckwheat
  Eriogonum giganteum var. giganteum S. Watson -- accepted -- St. Catherine's lace
  Eriogonum gilmanii S. Stokes -- accepted -- Gilman's buckwheat, Gilman's wild buckwheat
  Eriogonum glandulosum (Nutt.) Nutt. ex Benth. -- accepted -- acorn buckwheat, Gambel's buckwheat
  Eriogonum glandulosum var. carneum J.T. Howell -- not accepted
  Eriogonum gordonii Benth. -- accepted -- Gordon's buckwheat, Gordon's eriogonum, Gordon's wild buckwheat
  Eriogonum gossypinum Curran -- accepted -- cottony buckwheat, gypsum wild-buckwheat
  Eriogonum gracile Benth. -- accepted -- slender woolly buckwheat
  Eriogonum gracile var. cithariforme (S. Watson) Munz -- not accepted
  Eriogonum gracile var. gracile Benth. -- accepted -- slender woolly buckwheat
  Eriogonum gracile var. incultum Reveal -- accepted -- slender woolly buckwheat
  Eriogonum gracile var. polygonoides (S. Stokes) Munz -- not accepted
  Eriogonum gracilipes S. Watson -- accepted -- White Mountain buckwheat
  Eriogonum gracillimum S. Watson -- accepted -- rose and white buckwheat
  Eriogonum gramineum S. Stokes -- not accepted
  Eriogonum grande Greene -- accepted -- redflower buckwheat
  Eriogonum grande ssp. rubescens (Greene) Munz -- not accepted
  Eriogonum grande ssp. timorum (Reveal) Munz -- not accepted
  Eriogonum grande var. dunklei Reveal -- not accepted -- San Miguel Island buckwheat
  Eriogonum grande var. grande Greene -- accepted -- redflower buckwheat
  Eriogonum grande var. rubescens (Greene) Munz -- accepted -- large red buckwheat, redflower buckwheat
  Eriogonum grande var. timorum Reveal -- accepted -- San Nicolas Island buckwheat
  Eriogonum graniticum B.L. Turner -- not accepted -- tall buckwheat
  Eriogonum grayi Reveal -- not accepted
  Eriogonum greggii Torr. & A. Gray -- accepted -- Gregg's buckwheat
  Eriogonum gypsophilum Wooton & Standl. -- accepted -- gypsum wild buckwheat, Seven River Hills buckwheat
  Eriogonum harfordii Small -- not accepted
  Eriogonum harperi Goodman -- not accepted
  Eriogonum hastatum Wiggins -- accepted
  Eriogonum havardii S. Watson -- accepted -- Havard's buckwheat
  Eriogonum heermannii Durand & Hilg. -- accepted -- Heermann's buckwheat
  Eriogonum heermannii ssp. argense (M.E. Jones) Munz -- not accepted
  Eriogonum heermannii ssp. floccosum (Munz) Munz -- not accepted
  Eriogonum heermannii ssp. humilius S. Stokes -- not accepted
  Eriogonum heermannii ssp. sulcatum (S. Watson) S. Stokes -- not accepted
  Eriogonum heermannii var. apachense (Reveal) Reveal -- not accepted -- Apache buckwheat
  Eriogonum heermannii var. argense (M.E. Jones) Munz -- accepted -- Heermann's buckwheat
  Eriogonum heermannii var. clokeyi Reveal -- accepted -- Clokey's buckwheat
  Eriogonum heermannii var. floccosum Munz -- accepted -- Clark Mountain buckwheat, Clark Mountain eriogonum, Heermann's buckwheat
  Eriogonum heermannii var. heermannii Durand & Hilg. -- accepted -- Heermann's buckwheat
  Eriogonum heermannii var. humilius (S. Stokes) Reveal -- accepted -- Heermann's buckwheat
  Eriogonum heermannii var. occidentale S. Stokes -- accepted -- western Heermann's buckwheat
  Eriogonum heermannii var. subracemosum (S. Stokes) Reveal -- not accepted -- Heermann's buckwheat
  Eriogonum heermannii var. subspinosum Reveal -- accepted -- Heermann's buckwheat
  Eriogonum heermannii var. sulcatum (S. Watson) Munz & Reveal -- accepted -- Heermann's buckwheat
  Eriogonum helichrysoides (Gand.) Prain -- accepted -- spreading buckwheat
  Eriogonum hemipterum (Torr.) S. Stokes -- accepted -- Chisos Mountain buckwheat
  Eriogonum hemipterum var. hemipterum (Torr.) S. Stokes -- accepted -- Chisos Mountain buckwheat
  Eriogonum heracleoides Nutt. -- accepted -- parsnipflower buckwheat, Wyeth's buckwheat, Wyeth's eriogonum
  Eriogonum heracleoides var. angustifolium (Nutt.) Torr. & A. Gray -- not accepted -- parsnipflower buckwheat
  Eriogonum heracleoides var. heracleoides Nutt. -- accepted -- parsnipflower buckwheat
  Eriogonum heracleoides var. leucophaeum Reveal -- accepted -- parsnipflower buckwheat
  Eriogonum heracleoides var. minus Benth. -- not accepted
  Eriogonum heracleoides var. subalpinum (Greene) S. Stokes -- not accepted
  Eriogonum hieracifolium Benth. -- not accepted
  Eriogonum hieraciifolium Benth. -- accepted -- hawkweed buckwheat, hawkweed wild buckwheat
  Eriogonum hirtellum J.T. Howell & Bacig. -- accepted -- Klamath Mountain buckwheat, Klamath Mountain wild buckwheat
  Eriogonum hirtiflorum A. Gray ex S. Watson -- accepted -- hairyflower buckwheat
  Eriogonum hoffmannii S. Stokes -- accepted -- Hoffmann's buckwheat
  Eriogonum hoffmannii ssp. robustius (S. Stokes) Munz -- not accepted
  Eriogonum hoffmannii var. hoffmannii S. Stokes -- accepted -- Hoffman eriogonum, Hoffmann's buckwheat
  Eriogonum hoffmannii var. robustius S. Stokes -- accepted -- robust Hoffman eriogonum, robust Hoffmann's buckwheat
  Eriogonum holmgrenii Reveal -- accepted -- Holmgren's buckwheat, Snake Range buckwheat
  Eriogonum hookeri S. Watson -- accepted -- Hooker's buckwheat, Hooker's eriogonum, Hooker's wild buckwheat
  Eriogonum howellianum Reveal -- accepted -- Howell's buckwheat
  Eriogonum howellii S. Stokes -- not accepted
  Eriogonum howellii var. subracemosum S. Stokes -- not accepted
  Eriogonum humivagans Reveal -- not accepted
  Eriogonum hylophilum Reveal & Brotherson -- accepted -- Badlands wild buckwheat, Gate Canyon buckwheat
  Eriogonum incanum Torr. & A. Gray -- accepted -- frosted buckwheat
  Eriogonum inerme (S. Watson) Jeps. -- accepted -- unarmed buckwheat
  Eriogonum inerme ssp. hispidulum (Goodman) Munz -- not accepted
  Eriogonum inerme var. hispidulum Goodman -- accepted -- unarmed buckwheat
  Eriogonum inerme var. inerme (S. Watson) Jeps. -- accepted -- unarmed buckwheat
  Eriogonum inflatum Torr. & Frém. -- accepted -- desert trumpet, Native American pipeweed
  Eriogonum inflatum var. contiguum Reveal -- not accepted
  Eriogonum inflatum var. deflatum I.M. Johnst. -- not accepted -- desert trumpet
  Eriogonum inflatum var. fusiforme (Small) Reveal -- not accepted -- Native American pipeweed
  Eriogonum inflatum var. inflatum Torr. & Frém. -- not accepted -- desert trumpet, Native American buckwheat
  Eriogonum insigne S. Watson -- not accepted -- exalted buckwheat, ladder buckwheat, ladder wild buckwheat
  Eriogonum intermontanum Reveal -- not accepted -- Divide wild buckwheat
  Eriogonum intrafractum Coville & Morton -- accepted -- joined buckwheat, napkinring
  Eriogonum jamesii Benth. -- accepted -- James' buckwheat, James' wildbuckwheat
  Eriogonum jamesii var. flavescens S. Watson -- not accepted -- James' buckwheat
  Eriogonum jamesii var. higginsii S.L. Welsh -- not accepted
  Eriogonum jamesii var. jamesii Benth. -- accepted -- James' buckwheat
  Eriogonum jamesii var. rupicola Reveal -- not accepted -- James' buckwheat, sandstone wild buckwheat
  Eriogonum jamesii var. simplex Gand. -- accepted -- James' buckwheat
  Eriogonum jamesii var. undulatum (Benth.) S. Stokes ex M.E. Jones -- accepted -- James' buckwheat
  Eriogonum jamesii var. wootonii Reveal -- not accepted -- James' buckwheat
  Eriogonum jamesii var. xanthum (Small) Reveal -- not accepted -- James' buckwheat
  Eriogonum jonesii S. Watson -- accepted -- Jones' buckwheat
  Eriogonum kearneyi Tidestr. -- not accepted
  Eriogonum kearneyi ssp. monoense (S. Stokes) Munz ex Reveal -- not accepted
  Eriogonum kearneyi var. monoense (S. Stokes) Reveal -- not accepted
  Eriogonum kelloggii A. Gray -- accepted -- Red Mountain buckwheat
  Eriogonum kennedyi Porter ex S. Watson -- accepted -- Kennedy's buckwheat
  Eriogonum kennedyi ssp. alpigenum (Munz & I.M. Johnst.) Munz -- not accepted
  Eriogonum kennedyi ssp. austromontanum (Munz & I.M. Johnst.) S. Stokes -- not accepted
  Eriogonum kennedyi ssp. gracilipes (S. Watson) S. Stokes -- not accepted
  Eriogonum kennedyi ssp. purpusii (Brandegee) Munz -- not accepted
  Eriogonum kennedyi var. alpigenum Munz & I.M. Johnst. -- accepted -- southern alpine buckwheat
  Eriogonum kennedyi var. austromontanum Munz & I.M. Johnst. -- accepted -- southern mountain buckwheat, southern mountain wild buckwheat
  Eriogonum kennedyi var. kennedyi Porter ex S. Watson -- accepted -- Kennedy's buckwheat
  Eriogonum kennedyi var. pinicola Reveal -- accepted -- Cache Peak buckwheat, Kern buckwheat
  Eriogonum kennedyi var. purpusii (Brandegee) Reveal -- accepted -- Purpus' buckwheat
  Eriogonum kingii Torr. & A. Gray -- accepted -- Ruby Mountain buckwheat
  Eriogonum lachnogynum Torr. ex Benth. -- accepted -- woolly-cup wild buckwheat, woollycup buckwheat
  Eriogonum lachnogynum var. colobum Reveal & A. Clifford -- accepted -- clipped buckwheat
  Eriogonum lachnogynum var. lachnogynum Torr. ex Benth. -- accepted -- woollycup buckwheat
  Eriogonum lachnogynum var. sarahiae (N.D. Atwood & A. Clifford) Reveal -- accepted -- Sarah's buckwheat
  Eriogonum lagopus Rydb. -- not accepted -- parasol buckwheat
  Eriogonum lancifolium Reveal & Brotherson -- accepted -- lance leaf wild buckwheat, lanceleaf buckwheat
  Eriogonum latens Jeps. -- accepted -- Inyo buckwheat, onionflower buckwheat
  Eriogonum latifolium Sm. -- accepted -- seaside buckwheat
  Eriogonum latifolium ssp. auriculatum (Benth.) S. Stokes -- not accepted
  Eriogonum latifolium ssp. deductum (Greene) S. Stokes -- not accepted
  Eriogonum latifolium ssp. grande (Greene) S. Stokes -- not accepted
  Eriogonum latifolium ssp. nudum (Douglas ex Benth.) S. Stokes -- not accepted
  Eriogonum latifolium ssp. pauciflorum (S. Watson) S. Stokes -- not accepted
  Eriogonum latifolium ssp. saxicola (A. Heller) S. Stokes -- not accepted
  Eriogonum latifolium ssp. sulphureum (Greene) S. Stokes -- not accepted
  Eriogonum latifolium var. deductum (Greene) S. Stokes -- not accepted
  Eriogonum latifolium var. indictum (Jeps.) S. Stokes -- not accepted
  Eriogonum latifolium var. rubescens (Greene) Munz -- not accepted
  Eriogonum latifolium var. scapigerum (Eastw.) S. Stokes -- not accepted
  Eriogonum lemmonii S. Watson -- accepted -- Lemmon's buckwheat, volcanic buckwheat
  Eriogonum leptocladon Torr. & A. Gray -- accepted -- fine branched buckwheat, sand buckwheat
  Eriogonum leptocladon var. leptocladon Torr. & A. Gray -- accepted -- sand buckwheat
  Eriogonum leptocladon var. papiliunculi Reveal -- accepted -- sand buckwheat
  Eriogonum leptocladon var. ramosissimum (Eastw.) Reveal -- accepted -- sand buckwheat
  Eriogonum leptophyllum (Torr. & A. Gray) Wooton & Standl. -- accepted -- slender-leaf buckwheat, slenderleaf buckwheat
  Eriogonum leucophyllum Wooton & Standl. -- not accepted
  Eriogonum lewisii Reveal -- not accepted -- Lewis' buckwheat
  Eriogonum libertini Reveal -- accepted -- Dubakella Mountain buckwheat
  Eriogonum lobbii Torr. & A. Gray -- accepted -- granite buckwheat, Lobb's buckwheat
  Eriogonum lobbii var. lobbii Torr. & A. Gray -- not accepted -- Lobb's buckwheat
  Eriogonum lobbii var. robustum (Greene) M.E. Jones -- not accepted -- granite buckwheat
  Eriogonum loganum A. Nelson -- accepted -- Cache Valley buckwheat, Logan wild buckwheat
  Eriogonum lonchophyllum Torr. & A. Gray -- accepted -- spearleaf buckwheat, spreading wild buckwheat
  Eriogonum lonchophyllum var. fendlerianum (Benth.) Reveal -- not accepted -- Fendler's wildbuckwheat, spearleaf buckwheat
  Eriogonum lonchophyllum var. intermontanum (Reveal) Reveal -- not accepted -- spearleaf buckwheat
  Eriogonum lonchophyllum var. lonchophyllum Torr. & A. Gray -- not accepted -- spearleaf buckwheat
  Eriogonum lonchophyllum var. nudicaule (Torr.) Reveal -- not accepted -- spearleaf buckwheat
  Eriogonum lonchophyllum var. saurinum (Reveal) S.L. Welsh -- not accepted -- spearleaf buckwheat
  Eriogonum longifolium Nutt. -- accepted -- longleaf buckwheat, longleaf eriogonum, longleaf wildbuckwheat
  Eriogonum longifolium var. gnaphalifolium Gand. -- accepted -- longleaf buckwheat, scrub buckwheat
  Eriogonum longifolium var. harperi (Goodman) Reveal -- accepted -- Harper's buckwheat
  Eriogonum longifolium var. lindheimeri Gand. -- not accepted
  Eriogonum longifolium var. longifolium Nutt. -- accepted -- longleaf buckwheat
  Eriogonum longifolium var. plantagineum Engelm. & A. Gray -- not accepted
  Eriogonum luteolum Greene -- accepted -- goldencarpet buckwheat
  Eriogonum luteolum var. caninum (Greene) Reveal -- accepted -- Tiburon buckwheat
  Eriogonum luteolum var. luteolum Greene -- accepted -- goldencarpet buckwheat
  Eriogonum luteolum var. pedunculatum (S. Stokes) Reveal -- accepted -- goldencarpet buckwheat
  Eriogonum luteolum var. saltuarium Reveal -- accepted -- goldencarpet buckwheat
  Eriogonum maculatum A. Heller -- accepted -- spotted buckwheat, spotted wild buckwheat
  Eriogonum mancum Rydb. -- accepted -- imperfect buckwheat
  Eriogonum marifolium Torr. & A. Gray -- accepted -- marumleaf buckwheat
  Eriogonum marifolium var. cupulatum (S. Stokes) Reveal -- accepted -- McCloud buckwheat
  Eriogonum marifolium var. incanum (Torr. & A. Gray) M.E. Jones -- not accepted
  Eriogonum marifolium var. marifolium Torr. & A. Gray -- accepted -- marumleaf buckwheat
  Eriogonum mearnsii Parry -- not accepted
  Eriogonum mearnsii var. pulchrum (Eastw.) Kearney & Peebles -- not accepted
  Eriogonum meledonum Reveal -- not accepted -- bridle buckwheat
  Eriogonum mensicola S. Stokes -- accepted -- crescent buckwheat
  Eriogonum microthecum Nutt. -- accepted -- slender buckwheat, slenderbush buckwheat, slenderbush eriogonum
  Eriogonum microthecum ssp. ambiguum (M.E. Jones) Munz -- not accepted
  Eriogonum microthecum ssp. confertiflorum (Benth.) S. Stokes -- not accepted
  Eriogonum microthecum ssp. intermedium S. Stokes -- not accepted
  Eriogonum microthecum ssp. laxiflorum (Hook.) S. Stokes -- not accepted
  Eriogonum microthecum var. alpinum Reveal -- accepted -- alpine slender buckwheat
  Eriogonum microthecum var. ambiguum (M.E. Jones) Reveal -- accepted -- slender buckwheat
  Eriogonum microthecum var. arceuthinum Reveal -- accepted -- Juniper mountain buckwheat
  Eriogonum microthecum var. confertiflorum (Benth.) Torr. & A. Gray -- not accepted
  Eriogonum microthecum var. corymbosoides Reveal -- accepted -- San Bernardino buckwheat
  Eriogonum microthecum var. crispum (L.O. Williams) S. Stokes -- not accepted
  Eriogonum microthecum var. effusum (Nutt.) Torr. & A. Gray -- not accepted
  Eriogonum microthecum var. expansum S. Stokes -- not accepted
  Eriogonum microthecum var. foliosum (Torr. & A. Gray) Reveal -- not accepted
  Eriogonum microthecum var. friscanum (M.E. Jones) S. Stokes -- not accepted
  Eriogonum microthecum var. idahoense (Rydb.) S. Stokes -- not accepted
  Eriogonum microthecum var. johnstonii Reveal -- accepted -- Johnston's buckwheat
  Eriogonum microthecum var. lacus-ursi Reveal & A. Sanders -- accepted -- Bear lake buckwheat
  Eriogonum microthecum var. lapidicola Reveal -- accepted -- slender buckwheat
  Eriogonum microthecum var. laxiflorum Hook. -- accepted -- slender buckwheat
  Eriogonum microthecum var. macdougalii (Gand.) S. Stokes -- not accepted
  Eriogonum microthecum var. microthecum Nutt. -- accepted -- slender buckwheat
  Eriogonum microthecum var. panamintense S. Stokes -- accepted -- Panamint buckwheat, Panamint Mountains buckwheat
  Eriogonum microthecum var. phoeniceum (L.M. Schulz) Reveal -- accepted -- Scarlet buckwheat
  Eriogonum microthecum var. schoolcraftii Reveal -- accepted -- Schoolcraft's buckwheat
  Eriogonum microthecum var. simpsonii (Benth.) Reveal -- accepted -- Simpson's buckwheat
  Eriogonum mitophyllum Reveal -- accepted -- Lost Creek buckwheat
  Eriogonum mohavense S. Watson -- accepted -- Western Mojave buckwheat
  Eriogonum mohavense ssp. ampullaceum (J.T. Howell) S. Stokes -- not accepted
  Eriogonum molestum S. Watson -- accepted -- pineland buckwheat
  Eriogonum molestum var. davidsonii (Greene) Jeps. -- not accepted
  Eriogonum molle Greene -- accepted
  Eriogonum monticola S. Stokes -- not accepted
  Eriogonum mortonianum Reveal -- accepted -- Fredonia buckwheat, Fredonia wild-buckwheat
  Eriogonum multiceps Nees -- not accepted
  Eriogonum multiceps ssp. canum S. Stokes -- not accepted
  Eriogonum multiflorum Benth. -- accepted -- heartsepal buckwheat, heartsepal wildbuckwheat
  Eriogonum multiflorum var. multiflorum Benth. -- accepted -- many-flowered buckwheat
  Eriogonum multiflorum var. riograndis (G.L. Nesom) Reveal -- accepted -- Rio Grande buckwheat
  Eriogonum nanum Reveal -- not accepted -- dwarf wild buckwheat
  Eriogonum natum Reveal -- accepted -- Son's buckwheat
  Eriogonum nealleyi J.M. Coult. -- accepted -- Irion County buckwheat, Irion County wild-buckwheat
  Eriogonum nebraskense Rydb. -- not accepted
  Eriogonum nervulosum (S. Stokes) Reveal -- accepted -- Snow Mountain buckwheat
  Eriogonum nidularium Coville -- accepted -- birdnest buckwheat, birdnest wild buckwheat
  Eriogonum nivale Canby ex Coville -- not accepted
  Eriogonum niveum Douglas ex Benth. -- accepted -- snow buckwheat
  Eriogonum niveum ssp. decumbens (Benth.) S. Stokes -- not accepted
  Eriogonum niveum var. decumbens (Benth.) Torr. & A. Gray -- not accepted
  Eriogonum niveum var. dichotomum (Douglas ex Benth.) M.E. Jones -- not accepted
  Eriogonum nodosum Small -- not accepted
  Eriogonum nodosum ssp. monoense S. Stokes -- not accepted
  Eriogonum nodosum var. kearneyi (Tidestr.) S. Stokes -- not accepted
  Eriogonum nortonii Greene -- accepted -- Pinnacles buckwheat, Pinnacles wild buckwheat
  Eriogonum novonudum M. Peck -- accepted -- false naked buckwheat
  Eriogonum nudicaule (Torr.) Small -- not accepted
  Eriogonum nudicaule ssp. angustum (M.E. Jones) S. Stokes -- not accepted
  Eriogonum nudicaule ssp. garrettii S. Stokes -- not accepted
  Eriogonum nudicaule ssp. ochroflorum S. Stokes -- not accepted
  Eriogonum nudicaule ssp. parleyense S. Stokes -- not accepted
  Eriogonum nudicaule ssp. pumilum (S. Stokes) S. Stokes -- not accepted
  Eriogonum nudum Douglas ex Benth. -- accepted -- naked buckwheat, nakedstem buckwheat
  Eriogonum nudum ssp. pauciflorum (S. Watson) Munz -- not accepted
  Eriogonum nudum ssp. saxicola (A. Heller) Munz -- not accepted
  Eriogonum nudum var. auriculatum (Benth.) J.P. Tracy ex Jeps. -- accepted -- naked buckwheat
  Eriogonum nudum var. decurrens (S. Stokes) M.L. Bowerman -- accepted -- Ben Lomond buckwheat
  Eriogonum nudum var. deductum (Greene) Jeps. -- accepted -- naked buckwheat
  Eriogonum nudum var. gramineum (S. Stokes) Reveal -- not accepted
  Eriogonum nudum var. indictum (Jeps.) Reveal -- accepted -- protruding buckwheat
  Eriogonum nudum var. murinum Reveal -- accepted -- mouse buckwheat
  Eriogonum nudum var. nudum Douglas ex Benth. -- accepted -- naked buckwheat
  Eriogonum nudum var. oblongifolium S. Watson -- accepted -- naked buckwheat
  Eriogonum nudum var. paralinum Reveal -- accepted -- Del Norte buckwheat
  Eriogonum nudum var. pauciflorum S. Watson -- accepted -- naked buckwheat
  Eriogonum nudum var. psychicola Reveal -- accepted -- naked buckwheat
  Eriogonum nudum var. pubiflorum Benth. -- accepted -- naked buckwheat
  Eriogonum nudum var. regirivum Reveal & J.C. Stebbins -- accepted -- Kings River buckwheat
  Eriogonum nudum var. saxicola (A. Heller) Reveal -- not accepted
  Eriogonum nudum var. scapigerum (Eastw.) Jeps. -- accepted -- naked buckwheat
  Eriogonum nudum var. westonii (S. Stokes) J.T. Howell -- accepted -- Weston's buckwheat
  Eriogonum nummulare M.E. Jones -- accepted -- Kearney's buckwheat, money buckwheat, money wild buckwheat
  Eriogonum nummulare var. ammophilum (Reveal) S.L. Welsh -- not accepted
  Eriogonum nutans Torr. & A. Gray -- accepted -- drooping buckwheat, Dugway buckwheat
  Eriogonum nutans var. brevipedicellatum S. Stokes -- not accepted
  Eriogonum nutans var. glabratum Reveal -- accepted -- Dugway buckwheat
  Eriogonum nutans var. nutans Torr. & A. Gray -- accepted -- Dugway buckwheat
  Eriogonum ochrocephalum S. Watson -- accepted -- ocherflower buckwheat, whitewoolly buckwheat
  Eriogonum ochrocephalum ssp. agnellum (Jeps.) S. Stokes -- not accepted
  Eriogonum ochrocephalum ssp. anemophilum (Greene) S. Stokes -- not accepted
  Eriogonum ochrocephalum ssp. calcareum S. Stokes -- not accepted
  Eriogonum ochrocephalum var. alexandrae Reveal -- not accepted -- Alexander's buckwheat, whitewoolly buckwheat
  Eriogonum ochrocephalum var. breedlovei J.T. Howell -- not accepted
  Eriogonum ochrocephalum var. calcareum (S. Stokes) M. Peck -- accepted -- whitewoolly buckwheat
  Eriogonum ochrocephalum var. gracilipes (S. Watson) J.T. Howell -- not accepted
  Eriogonum ochrocephalum var. ochrocephalum S. Watson -- accepted -- whitewoolly buckwheat
  Eriogonum ochrocephalum var. sceptrum Reveal -- not accepted -- whitewoolly buckwheat
  Eriogonum ochroleucum Small ex Rydb. -- not accepted
  Eriogonum ordii S. Watson -- accepted -- Fort Mojave buckwheat
  Eriogonum ostlundii M.E. Jones -- accepted -- Elsinore buckwheat, Ostlund wild buckwheat
  Eriogonum ovalifolium Nutt. -- accepted -- cushion buckwheat, cushion wild buckwheat, ovalleaf eriogonum
  Eriogonum ovalifolium ssp. chrysops (Rydb.) S. Stokes ex M. Peck -- not accepted
  Eriogonum ovalifolium ssp. eximium (Tidestr.) S. Stokes -- not accepted
  Eriogonum ovalifolium ssp. flavissimum (Gand.) S. Stokes -- not accepted
  Eriogonum ovalifolium ssp. ochroleucum (Small ex Rydb.) S. Stokes -- not accepted
  Eriogonum ovalifolium ssp. vineum (Small) S. Stokes -- not accepted
  Eriogonum ovalifolium var. caelestinum Reveal -- accepted -- cushion buckwheat
  Eriogonum ovalifolium var. celsum A. Nelson -- not accepted
  Eriogonum ovalifolium var. depressum Blank. -- accepted -- cushion buckwheat
  Eriogonum ovalifolium var. eximium (Tidestr.) J.T. Howell -- accepted -- brownmargin buckwheat, cushion buckwheat
  Eriogonum ovalifolium var. macropodum (Gand.) Reveal -- not accepted
  Eriogonum ovalifolium var. monarchense D.A. York -- accepted -- Monarch buckwheat
  Eriogonum ovalifolium var. multiscapum Gand. -- not accepted
  Eriogonum ovalifolium var. nevadense Gand. -- not accepted
  Eriogonum ovalifolium var. nivale (Canby ex Coville) M.E. Jones -- accepted -- cushion buckwheat
  Eriogonum ovalifolium var. ochroleucum (Small ex Rydb.) M. Peck -- accepted -- cushion buckwheat
  Eriogonum ovalifolium var. orthocaulon (Small) C.L. Hitchc. -- not accepted
  Eriogonum ovalifolium var. ovalifolium Nutt. -- accepted -- cushion buckwheat, cushion wild buckwheat
  Eriogonum ovalifolium var. pansum Reveal -- accepted -- cushion buckwheat
  Eriogonum ovalifolium var. purpureum (Nutt.) Durand -- accepted -- cushion buckwheat
  Eriogonum ovalifolium var. vineum (Small) Jeps. -- accepted -- Cushenbury buckwheat
  Eriogonum ovalifolium var. williamsiae Reveal -- accepted -- steamboat buckwheat, Williams' buckwheat
  Eriogonum palmeranum Reveal -- not accepted
  Eriogonum palmerianum Reveal -- accepted -- Palmer's buckwheat, Palmer's wild buckwheat
  Eriogonum panamintense C.V. Morton -- accepted -- Panamint Mountain buckwheat
  Eriogonum panamintense ssp. mensicola (S. Stokes) Munz -- not accepted
  Eriogonum panamintense var. mensicola (S. Stokes) Reveal -- not accepted -- Panamint Mountain buckwheat
  Eriogonum panamintense var. panamintense C.V. Morton -- not accepted -- Panamint Mountain buckwheat
  Eriogonum panguicense (M.E. Jones) Reveal -- accepted -- Panguitch buckwheat
  Eriogonum panguicense var. alpestre (S. Stokes) Reveal -- accepted -- Panguitch buckwheat, Panguitch wild buckwheat
  Eriogonum panguicense var. panguicense (M.E. Jones) Reveal -- accepted -- Panguitch buckwheat
  Eriogonum pannosum Wooton & Standl. -- not accepted
  Eriogonum parishii S. Watson -- accepted -- mountainmist
  Eriogonum parryi A. Gray -- not accepted
  Eriogonum parvifolium Sm. -- accepted -- seacliff buckwheat
  Eriogonum parvifolium ssp. lucidum J.T. Howell ex S. Stokes -- not accepted
  Eriogonum parvifolium ssp. paynei C.B. Wolf ex Munz -- not accepted
  Eriogonum parvifolium var. lucidum (J.T. Howell ex S. Stokes) Reveal -- not accepted -- Point Lobos wild buckwheat
  Eriogonum parvifolium var. paynei (C.B. Wolf ex Munz) Reveal -- not accepted -- Santa Paula buckwheat
  Eriogonum pauciflorum Pursh -- accepted -- few-flower wild buckwheat, fewflower buckwheat, manybranch eriogonum
  Eriogonum pauciflorum var. canum (S. Stokes) Reveal -- not accepted
  Eriogonum pauciflorum var. gnaphalodes (Benth.) Reveal -- not accepted -- fewflower buckwheat
  Eriogonum pauciflorum var. nebraskense (Rydb.) Reveal -- not accepted -- Nebraska buckwheat
  Eriogonum pauciflorum var. pauciflorum Pursh -- not accepted -- few-flower wild buckwheat, fewflower buckwheat
  Eriogonum pedunculatum S. Stokes -- not accepted
  Eriogonum pelinophilum Reveal -- accepted -- clay-loving wild buckwheat, clayloving buckwheat
  Eriogonum pendulum S. Watson -- accepted -- Waldo buckwheat
  Eriogonum pharnaceoides Torr. -- accepted -- ginseng buckwheat, wirestem buckwheat
  Eriogonum pharnaceoides var. cervinum Reveal -- accepted -- wirestem buckwheat
  Eriogonum pharnaceoides var. pharnaceoides Torr. -- accepted -- wirestem buckwheat
  Eriogonum phoeniceum L.M. Shultz -- not accepted
  Eriogonum piperi Greene -- not accepted
  Eriogonum platyphyllum Torr. -- not accepted -- tall buckwheat
  Eriogonum plumatella Durand & Hilg. -- accepted -- yucca buckwheat
  Eriogonum plumatella var. jaegeri (Munz & I.M. Johnst.) S. Stokes ex Munz -- not accepted
  Eriogonum polifolium Benth. -- not accepted
  Eriogonum polyanthum Benth. -- not accepted -- sulphur-flower buckwheat
  Eriogonum polycladon Benth. -- accepted -- sorrel buckwheat
  Eriogonum polyphyllum Small ex Rydb. -- not accepted
  Eriogonum polypodum Small -- accepted -- foxtail buckwheat
  Eriogonum praebens Gand. -- not accepted
  Eriogonum prattenianum Durand -- accepted -- Nevada City buckwheat
  Eriogonum prattenianum var. avium Reveal & Shevock -- accepted -- Nevada City buckwheat
  Eriogonum prattenianum var. prattenianum Durand -- accepted -- Nevada City buckwheat
  Eriogonum pringlei J.M. Coult. & Fisher -- not accepted
  Eriogonum prociduum Reveal -- accepted -- prostrate buckwheat
  Eriogonum prociduum var. mysterium Reveal -- accepted -- Pueblo mountains buckwheat
  Eriogonum prociduum var. prociduum Reveal -- accepted -- prostrate buckwheat
  Eriogonum proliferum Torr. & A. Gray -- not accepted
  Eriogonum proliferum ssp. anserinum (Greene) Munz -- not accepted
  Eriogonum puberulum S. Watson -- not accepted -- puberulent buckwheat, Red Creek buckwheat
  Eriogonum puberulum var. venosum S. Stokes -- not accepted
  Eriogonum pulchrum Eastw. -- accepted -- Yavapai County buckwheat
  Eriogonum purpusii Brandegee -- not accepted -- Purpus' buckwheat
  Eriogonum pusillum Torr. & A. Gray -- accepted -- puny buckwheat, yellow-turbans, yellowturbans
  Eriogonum pyrolifolium Hook. -- accepted -- Shasta buckwheat
  Eriogonum pyrolifolium var. bellingerianum M. Peck -- not accepted
  Eriogonum pyrolifolium var. coryphaeum Torr. & A. Gray -- accepted -- Shasta buckwheat
  Eriogonum pyrolifolium var. pyrolifolium Hook. -- accepted -- Shasta buckwheat
  Eriogonum racemosum Nutt. -- accepted -- redroot buckwheat
  Eriogonum racemosum var. coccineum (J.T. Howell) S.L. Welsh -- not accepted
  Eriogonum racemosum var. desertorum S. Stokes -- not accepted
  Eriogonum racemosum var. nobile S.L. Welsh & N.D. Atwood -- not accepted
  Eriogonum racemosum var. racemosum Nutt. -- not accepted
  Eriogonum racemosum var. zionis (J.T. Howell) S.L. Welsh -- not accepted
  Eriogonum ramosissimum Eastw. -- not accepted
  Eriogonum reniforme Torr. & Frém. -- accepted -- kidneyleaf buckwheat
  Eriogonum reniforme ssp. pusillum (Torr. & A. Gray) S. Stokes -- not accepted
  Eriogonum reniforme var. comosum M.E. Jones -- not accepted
  Eriogonum revealianum S.L. Welsh -- not accepted
  Eriogonum rhodanthum A. Nelson & P.B. Kenn. -- not accepted
  Eriogonum ripleyi J.T. Howell -- accepted -- Fraziers Well buckwheat, Ripley wild-buckwheat
  Eriogonum rixfordii S. Stokes -- accepted -- pagoda buckwheat
  Eriogonum robustum Greene -- accepted -- altered-andesite buckwheat, granite buckwheat
  Eriogonum rosense A. Nelson & P.B. Kenn. -- accepted -- Mount Rose buckwheat, rosy buckwheat
  Eriogonum rosense var. beatleyae (Reveal) Reveal -- accepted -- Beatley's buckwheat
  Eriogonum rosense var. rosense A. Nelson & P.B. Kenn. -- accepted -- rosy buckwheat
  Eriogonum roseum Durand & Hilg. -- accepted -- wand buckwheat
  Eriogonum rosmarinifolium var. foliolosum Nutt. -- not accepted
  Eriogonum rotundifolium Benth. -- accepted -- round-leaf wild buckwheat, roundleaf buckwheat
  Eriogonum rubescens Greene -- not accepted
  Eriogonum rubricaule Tidestr. -- accepted -- Lahontan buckwheat, redstem buckwheat
  Eriogonum rupinum Reveal -- accepted -- canyon buckwheat, Wyman Creek buckwheat
  Eriogonum salicinum Greene -- not accepted
  Eriogonum salicornioides Gand. -- accepted -- glasswort buckwheat, saltwort buckwheat
  Eriogonum salinum A. Nelson -- not accepted
  Eriogonum salsuginosum (Nutt.) Hook. -- not accepted
  Eriogonum sarothriforme Gand. -- not accepted
  Eriogonum saurinum Reveal -- not accepted -- dinosaur wild buckwheat
  Eriogonum saxatile S. Watson -- accepted -- hoary buckwheat, rock buckwheat
  Eriogonum scabrellum Reveal -- accepted -- Westwater buckwheat
  Eriogonum scapigerum Eastw. -- not accepted
  Eriogonum scoparium Small -- not accepted
  Eriogonum scopulorum Reveal -- accepted -- cliff buckwheat
  Eriogonum sessile S. Stokes ex M.E. Jones -- not accepted
  Eriogonum shockleyi S. Watson -- accepted -- Shockley's buckwheat, Shockley's wild buckwheat
  Eriogonum shockleyi ssp. candidum (M.E. Jones) S. Stokes -- not accepted
  Eriogonum shockleyi ssp. longilobum (M.E. Jones) S. Stokes -- not accepted
  Eriogonum shockleyi var. longilobum (M.E. Jones) Reveal -- not accepted
  Eriogonum shockleyi var. packardiae Reveal -- not accepted -- Packard's buckwheat
  Eriogonum shockleyi var. shockleyi S. Watson -- not accepted -- Shockley's buckwheat
  Eriogonum simpsonii Benth. -- not accepted
  Eriogonum siskiyouense Small -- accepted -- Siskiyou buckwheat
  Eriogonum smithii Reveal -- accepted -- flat-top buckwheat, Smith wild-buckwheat
  Eriogonum soliceps Reveal & Björk -- accepted -- Railroad canyon buckwheat
  Eriogonum soredium Reveal -- accepted -- Frisco buckwheat
  Eriogonum spathuiforme Rydb. -- not accepted
  Eriogonum spathulatum A. Gray -- accepted -- spoonleaf buckwheat
  Eriogonum spathulatum ssp. spathuiforme (Rydb.) S. Stokes -- not accepted
  Eriogonum spathulatum var. natum (Reveal) S.L. Welsh -- not accepted
  Eriogonum spathulatum var. panguicense (M.E. Jones) S. Stokes -- not accepted
  Eriogonum spectabile B.L. Corbin, Reveal & R. Barron -- accepted -- Barron's buckwheat
  Eriogonum spergulinum A. Gray -- accepted -- spurry buckwheat
  Eriogonum spergulinum ssp. reddingianum (M.E. Jones) Munz ex Reveal -- not accepted
  Eriogonum spergulinum var. pratense (S. Stokes) J.T. Howell -- accepted -- spurry buckwheat
  Eriogonum spergulinum var. reddingianum (M.E. Jones) J.T. Howell -- accepted -- Redding buckwheat
  Eriogonum spergulinum var. spergulinum A. Gray -- accepted -- spurry buckwheat
  Eriogonum sphaerocephalum Douglas ex Benth. -- accepted -- rock buckwheat, spurry buckwheat
  Eriogonum sphaerocephalum var. brevifolium S. Stokes ex M.E. Jones -- not accepted
  Eriogonum sphaerocephalum var. fasciculifolium (A. Nelson) S. Stokes -- accepted -- rock buckwheat
  Eriogonum sphaerocephalum var. geniculatum (Nutt.) S. Stokes -- not accepted
  Eriogonum sphaerocephalum var. halimioides S. Stokes -- accepted -- rock buckwheat
  Eriogonum sphaerocephalum var. megacephalum (Nutt.) S. Stokes ex M.E. Jones -- not accepted
  Eriogonum sphaerocephalum var. minimum (Small) S. Stokes -- not accepted
  Eriogonum sphaerocephalum var. sericoleucum (Greene) S. Stokes -- not accepted
  Eriogonum sphaerocephalum var. sphaerocephalum Douglas ex Benth. -- accepted -- rock buckwheat
  Eriogonum sphaerocephalum var. sublineare (S. Stokes) Reveal -- accepted -- scabland buckwheat
  Eriogonum stellatum Benth. -- not accepted
  Eriogonum strictum Benth. -- accepted -- Blue Mountain buckwheat
  Eriogonum strictum ssp. proliferum (Torr. & A. Gray) S. Stokes -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum ssp. proliferum var. anserinum (Greene) S. Stokes -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum ssp. proliferum var. glabrum C.L. Hitchc. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum ssp. proliferum var. greenei (A. Gray) Reveal -- not accepted -- Greene's buckwheat
  Eriogonum strictum ssp. proliferum var. proliferum (Torr. & A. Gray) C.L. Hitchc. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum ssp. strictum Benth. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. anserinum (Greene) S. Stokes -- accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. cusickii (Gand.) S. Stokes -- not accepted
  Eriogonum strictum var. flavissimum (Gand.) C.L. Hitchc. -- not accepted
  Eriogonum strictum var. glabrum C.L. Hitchc. -- not accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. greenei (A. Gray) Reveal -- accepted -- Greene's buckwheat
  Eriogonum strictum var. lachnostegium Benth. -- not accepted
  Eriogonum strictum var. proliferum (Torr. & A. Gray) C.L. Hitchc. -- accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. strictum Benth. -- accepted -- Blue Mountain buckwheat
  Eriogonum strictum var. tenue (Small) S. Stokes -- not accepted
  Eriogonum subalpinum Greene -- not accepted
  Eriogonum subreniforme S. Watson -- accepted -- kidney-shape wild buckwheat, kidneyshape buckwheat
  Eriogonum suffruticosum S. Watson -- accepted -- bushy buckwheat, bushy wild-buckwheat
  Eriogonum sulcatum S. Watson -- not accepted
  Eriogonum sulcatum var. argense M.E. Jones -- not accepted
  Eriogonum temblorense J.T. Howell & Twisselm. -- accepted -- Temblor buckwheat
  Eriogonum tenellum Torr. -- accepted -- matted wildbuckwheat, tall buckwheat
  Eriogonum tenellum ssp. cottamii S. Stokes -- not accepted
  Eriogonum tenellum var. caulescens Torr. & A. Gray -- not accepted
  Eriogonum tenellum var. platyphyllum (Torr. ex Benth.) Torr. -- accepted -- tall buckwheat
  Eriogonum tenellum var. ramosissimum Benth. -- accepted -- tall buckwheat, tall wildbuckwheat
  Eriogonum tenellum var. ramosissinum Benth. -- not accepted
  Eriogonum tenellum var. tenellum Torr. -- accepted -- tall buckwheat
  Eriogonum tenue Small -- not accepted
  Eriogonum ternatum Howell -- accepted -- ternate buckwheat
  Eriogonum ternatum var. congdonii (S. Stokes) J.T. Howell -- not accepted
  Eriogonum terrenatum Reveal -- accepted -- San Pedro river buckwheat
  Eriogonum tetraneuris Small -- not accepted
  Eriogonum thomasii Torr. -- accepted -- Thomas' buckwheat
  Eriogonum thompsoniae S. Watson -- accepted -- Thompson's buckwheat, Thompson's wild buckwheat
  Eriogonum thompsoniae var. albiflorum Reveal -- accepted -- Thompson's buckwheat
  Eriogonum thompsoniae var. atwoodii Reveal -- accepted -- Atwood's buckwheat
  Eriogonum thompsoniae var. matthewsiae (Reveal) Reveal -- not accepted -- Matthews' buckwheat
  Eriogonum thompsoniae var. thompsoniae S. Watson -- accepted -- Thompson's buckwheat
  Eriogonum thornei (Reveal & Henrickson) L.M. Shultz -- accepted -- Thorne's buckwheat
  Eriogonum thurberi Torr. -- accepted -- Thurber's buckwheat, Thurber's wild buckwheat
  Eriogonum thymoides Benth. -- accepted -- thymeleaf buckwheat
  Eriogonum thymoides ssp. congestum S. Stokes -- not accepted
  Eriogonum tiehmii Reveal -- accepted -- Tiehm's buckwheat
  Eriogonum tomentosum Michx. -- accepted -- dogtongue buckwheat
  Eriogonum torreyanum A. Gray -- not accepted
  Eriogonum trichopes Torr. -- accepted -- little desert trumpet, little deserttrumpet
  Eriogonum trichopes ssp. minus (Benth.) S. Stokes -- not accepted
  Eriogonum trichopes var. hooveri Reveal -- not accepted -- Hoover's deserttrumpet
  Eriogonum trichopes var. trichopes Torr. -- not accepted -- little deserttrumpet
  Eriogonum tripodum Greene -- accepted -- tripod buckwheat
  Eriogonum triste S. Watson -- not accepted
  Eriogonum tristichum Small -- not accepted
  Eriogonum truncatum Torr. & A. Gray -- accepted -- Contra Costa buckwheat, Mt. Diablo buckwheat
  Eriogonum tumulosum (Barneby) Reveal -- accepted -- Woodside buckwheat
  Eriogonum turbinatum Small -- not accepted
  Eriogonum twisselmannii (J.T. Howell) Reveal -- accepted -- Twisselmann's buckwheat
  Eriogonum umbellatum Torr. -- accepted -- sulfur buckwheat, sulfur eriogonum, sulphur flower buckwheat, sulphur wildbuckwheat, sulphur-flower buckwheat
  Eriogonum umbellatum ssp. aridum (Greene) S. Stokes -- not accepted
  Eriogonum umbellatum ssp. bahiiforme (Torr. & A. Gray) Munz -- not accepted
  Eriogonum umbellatum ssp. covillei (Small) Munz -- not accepted
  Eriogonum umbellatum ssp. dumosum (Greene) S. Stokes -- not accepted
  Eriogonum umbellatum ssp. ferrissii (A. Nelson) S. Stokes -- not accepted
  Eriogonum umbellatum ssp. majus (Hook.) Piper -- not accepted
  Eriogonum umbellatum ssp. minus (I.M. Johnst.) Munz -- not accepted
  Eriogonum umbellatum ssp. munzii (Reveal) Thorne ex Munz -- not accepted
  Eriogonum umbellatum ssp. polyanthum (Benth.) S. Stokes -- not accepted
  Eriogonum umbellatum ssp. stellatum (Benth.) S. Stokes -- not accepted
  Eriogonum umbellatum ssp. subaridum (S. Stokes) Munz -- not accepted
  Eriogonum umbellatum ssp. versicolor (S. Stokes) Munz -- not accepted
  Eriogonum umbellatum var. ahartii Reveal -- accepted -- Flagstaff sulphur-flower buckwheat
  Eriogonum umbellatum var. argus Reveal -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. aridum (Greene) C.L. Hitchc. -- not accepted
  Eriogonum umbellatum var. aureum (Gand.) Reveal -- accepted -- sulphur-flower buckwheat, sulphurflower buckwheat
  Eriogonum umbellatum var. bahiiforme (Torr. & A. Gray) Jeps. -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. canifolium Reveal -- accepted -- Sherman Pass sulphur-flower buckwheat
  Eriogonum umbellatum var. chlorothamnus Reveal -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. chrysanthum Gand. -- not accepted
  Eriogonum umbellatum var. cladophorum Gand. -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. cognatum (Greene) Reveal -- accepted -- sulphur-flower buckwheat, sulphur-flower wild buckwheat
  Eriogonum umbellatum var. covillei (Small) Munz & Reveal -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. croceum (Small) S. Stokes ex R.J. Davis -- not accepted
  Eriogonum umbellatum var. desereticum Reveal -- accepted -- Deseret sulphur-flower buckwheat
  Eriogonum umbellatum var. devestivum Reveal -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. dichrocephalum Gand. -- accepted -- sulphur-flower buckwheat, sulphurflower buckwheat
  Eriogonum umbellatum var. dumosum (Greene) Reveal -- accepted -- American Valley sulphur-flower buckwheat
  Eriogonum umbellatum var. ellipticum (Nutt.) Reveal -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. furcosum Reveal -- accepted -- sulphur-flower buckwheat, sulphurflower buckwheat
  Eriogonum umbellatum var. glaberrimum (Gand.) Reveal -- accepted -- green buckwheat
  Eriogonum umbellatum var. goodmanii Reveal -- accepted -- Goodman's buckwheat
  Eriogonum umbellatum var. hausknechtii (Dammer) M.E. Jones -- accepted -- Hausknecht's buckwheat
  Eriogonum umbellatum var. humistratum Reveal -- accepted -- Mount Eddy buckwheat
  Eriogonum umbellatum var. hypoleium (Piper) C.L. Hitchc. -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. intectum A. Nelson -- not accepted
  Eriogonum umbellatum var. juniporinum Reveal -- accepted -- juniper buckwheat, sulphurflower buckwheat
  Eriogonum umbellatum var. lautum Reveal -- accepted -- Scott Valley sulphur-flower buckwheat
  Eriogonum umbellatum var. majus Hook. -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. minus I.M. Johnst. -- accepted -- alpine sulfur-flowered wild buckwheat, alpine sulphur-flower buckwheat
  Eriogonum umbellatum var. modocense (Greene) S. Stokes -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. mohavense Reveal -- accepted -- Mohave sulphur-flower buckwheat
  Eriogonum umbellatum var. monocephalum Torr. & A. Gray -- not accepted
  Eriogonum umbellatum var. munzii Reveal -- accepted -- Munz's buckwheat
  Eriogonum umbellatum var. nelsoniorum Reveal -- accepted -- Nelson's sulphur-flower buckwheat
  Eriogonum umbellatum var. nevadense Gand. -- accepted -- Nevada buckwheat, sulphur-flower buckwheat
  Eriogonum umbellatum var. polyanthum (Benth.) M.E. Jones -- accepted -- American river sulphur-flower buckwheat, sulphur-flower buckwheat
  Eriogonum umbellatum var. porteri (Small) S. Stokes -- accepted -- Porter's buckwheat
  Eriogonum umbellatum var. ramulosum Reveal -- accepted -- Mohave sulphur-flower buckwheat
  Eriogonum umbellatum var. sandbergii Reveal -- accepted -- Sandberg's sulphur-flower buckwheat
  Eriogonum umbellatum var. smallianum (A. Heller) S. Stokes -- accepted -- Small's sulphur-flower buckwheat
  Eriogonum umbellatum var. speciosum (E. Drew) S. Stokes -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. stellatum (Benth.) M.E. Jones -- not accepted -- sulphurflower buckwheat
  Eriogonum umbellatum var. stragulum Reveal -- accepted -- spreading sulphur-flower buckwheat
  Eriogonum umbellatum var. subalpinum (Greene) M.E. Jones -- not accepted
  Eriogonum umbellatum var. subaridum S. Stokes -- accepted -- sulphur flower buckwheat, sulphur-flower buckwheat, sulphurflower buckwheat
  Eriogonum umbellatum var. tolmieanum (Hook.) M.E. Jones -- not accepted
  Eriogonum umbellatum var. torreyanum (A. Gray) M.E. Jones -- accepted -- Donner Pass buckwheat
  Eriogonum umbellatum var. umbellatum Torr. -- accepted -- sulphur-flower buckwheat
  Eriogonum umbellatum var. vernum Reveal -- accepted -- sulphur-flower buckwheat, sulphurflower buckwheat
  Eriogonum umbellatum var. versicolor S. Stokes -- accepted -- sulphur-flower buckwheat, sulphurflower buckwheat
  Eriogonum undulatum Benth. -- not accepted
  Eriogonum ursinum S. Watson -- accepted -- Bear Valley buckwheat
  Eriogonum ursinum var. erubescens Reveal & J. Knorr -- accepted -- blushing buckwheat
  Eriogonum ursinum var. nervulosum S. Stokes -- not accepted
  Eriogonum ursinum var. ursinum S. Watson -- accepted -- Bear Valley buckwheat
  Eriogonum verrucosum Reveal -- not accepted -- graceful buckwheat
  Eriogonum vespinum Shinners -- not accepted
  Eriogonum vestitum J.T. Howell -- accepted -- Idria buckwheat
  Eriogonum villiflorum A. Gray -- accepted -- dairyflower buckwheat, gray buckwheat
  Eriogonum villiflorum var. tumulosum Barneby -- not accepted
  Eriogonum vimineum Douglas ex Benth. -- accepted -- broom buckwheat, wickerstem buckwheat
  Eriogonum vimineum ssp. juncinellum (Gand.) S. Stokes -- not accepted
  Eriogonum vimineum ssp. nidularium (Coville) S. Stokes -- not accepted
  Eriogonum vimineum var. baileyi (S. Watson) R.J. Davis -- not accepted
  Eriogonum vimineum var. californicum Gand. -- not accepted
  Eriogonum vimineum var. caninum Greene -- not accepted
  Eriogonum vimineum var. commixtum (Greene ex Tidestr.) S. Stokes -- not accepted
  Eriogonum vimineum var. densum (Greene) S. Stokes -- not accepted
  Eriogonum vimineum var. luteolum (Greene) S. Stokes -- not accepted
  Eriogonum vimineum var. shoshonense (A. Nelson) S. Stokes -- not accepted
  Eriogonum virgatum Benth. -- not accepted
  Eriogonum viridescens A. Heller -- accepted -- twotooth buckwheat
  Eriogonum viridulum Reveal -- accepted -- clay hill buckwheat
  Eriogonum viscidulum J.T. Howell -- accepted -- clammy buckwheat, sticky buckwheat
  Eriogonum visheri A. Nelson -- accepted -- Visher's buckwheat, Visher's wild buckwheat
  Eriogonum wasatchense M.E. Jones -- not accepted
  Eriogonum watsonii Torr. & A. Gray -- accepted -- Watson's buckwheat
  Eriogonum wetherillii Eastw. -- accepted -- Wetherill's buckwheat, Wetherill's wild buckwheat
  Eriogonum wootonii (Reveal) Reveal -- accepted -- Wooton's buckwheat
  Eriogonum wrightii Torr. ex Benth. -- accepted -- bastardsage, shrubby buckwheat, Wright's buckwheat
  Eriogonum wrightii ssp. glomerulum S. Stokes -- not accepted
  Eriogonum wrightii ssp. membranaceum (S. Stokes ex Jeps.) S. Stokes -- not accepted
  Eriogonum wrightii ssp. nodosum (Small) Munz -- not accepted
  Eriogonum wrightii ssp. subscaposum (S. Watson) S. Stokes -- not accepted
  Eriogonum wrightii ssp. trachygonum (Torr. ex Benth.) S. Stokes -- not accepted
  Eriogonum wrightii var. membranaceum S. Stokes ex Jeps. -- accepted -- bastardsage
  Eriogonum wrightii var. nodosum (Small) Reveal -- accepted -- bastardsage
  Eriogonum wrightii var. olanchense (J.T. Howell) Reveal -- accepted -- Olancha Peak buckwheat
  Eriogonum wrightii var. pringlei (J.M. Coult. & Fisher) Reveal -- not accepted -- Pringle's bastardsage, shrubby buckwheat
  Eriogonum wrightii var. subscaposum S. Watson -- accepted -- bastardsage
  Eriogonum wrightii var. trachygonum (Torr. ex Benth.) Jeps. -- accepted -- bastardsage, shrubby buckwheat
  Eriogonum wrightii var. wrightii Torr. ex Benth. -- accepted -- bastardsage, shrubby buckwheat, Wright's bastardsage
  Eriogonum X blissianum H. Mason -- accepted -- Bliss' buckwheat
  Eriogonum X duchesnense Reveal (pro. sp.) -- accepted -- Duchesne buckwheat
  Eriogonum X nebraskense Rydb. (pro. sp.) -- accepted -- Nebraska buckwheat
  Eriogonum xanthum Small -- not accepted
  Eriogonum zionis J.T. Howell -- accepted -- Zion buckwheat, Zion wild buckwheat
  Eriogonum zionis var. coccineum J.T. Howell -- accepted -- Zion buckwheat
  Eriogonum zionis var. zionis J.T. Howell -- accepted -- Zion buckwheat
  Fagopyrum Mill. -- accepted -- buckwheat
  Fagopyrum esculentum Moench -- accepted -- buckwheat, common buckwheat
  Fagopyrum fagopyrum (L.) H. Karst. -- not accepted
  Fagopyrum sagittatum Gilib. -- not accepted
  Fagopyrum tataricum (L.) Gaertn. -- accepted -- green buckwheat, Japanese buckwheat, Tartary buckwheat
  Fagopyrum vulgare Hill -- not accepted
  Fallopia Adans. -- accepted -- false-buckwheat
  Fallopia aubertii (L. Henry) Holub -- not accepted
  Fallopia baldschuanica (Regel) Holub -- accepted -- Bukhara fleeceflower
  Fallopia cilinodis (Michx.) Holub -- accepted -- fringed black bindweed
  Fallopia convolvulus (L.) Á. Löve -- accepted -- black bindweed
  Fallopia dumetorum (L.) Holub -- accepted -- climbing false buckwheat
  Fallopia japonica (Houtt.) Ronse Decr. -- accepted -- Japanese knotweed
  Fallopia japonica var. japonica (Houtt.) Ronse Decr. -- accepted -- Japanese knotweed
  Fallopia multiflora (Thunb.) Haraldson -- accepted -- tuber fleeceflower
  Fallopia sachalinensis (F. Schmidt) Ronse Decr. -- accepted -- giant knotweed
  Fallopia scandens (L.) Holub -- accepted -- climbing false buckwheat
  Fallopia X bohemica (Chrtek & Chrtková) J.P. Bailey -- accepted -- Bohemian knotweed
  Gilmania Coville -- accepted -- goldencarpet
  Gilmania luteola (Coville) Coville -- accepted -- golden carpet, goldencarpet
  Gonopyrum americanum Fisch. & C.A. Mey. -- not accepted
  Goodmania Reveal & Ertter -- accepted -- spinecape
  Goodmania luteola (Parry) Reveal & Ertter -- accepted -- yellow spinecape, yellow spinescale
  Hollisteria S. Watson -- accepted
  Hollisteria lanata S. Watson -- accepted -- false spikeflower
  Homalocladium (F. Muell.) L.H. Bailey -- accepted
  Homalocladium platycladum (F. Muell.) L.H. Bailey -- accepted -- centipede plant, ribbonbush
  Johanneshowellia Reveal -- accepted
  Johanneshowellia crateriorum Reveal -- accepted -- Lunar Crater buckwheat
  Johanneshowellia puberula (S. Watson) Reveal -- accepted -- Red Creek buckwheat
  Koenigia L. -- accepted
  Koenigia islandica L. -- accepted -- island purslane
  Lastarriaea J. Rémy -- accepted
  Lastarriaea chilensis auct. non J. Rémy -- not accepted
  Lastarriaea coriacea (Goodman) Hoover -- accepted -- leather spineflower
  Macounastrum islandicum (L.) Small -- not accepted
  Mucronea Benth. -- accepted -- spineflower
  Mucronea californica Benth. -- accepted -- California spineflower
  Mucronea californica var. suksdorfii (J.F. Macbr.) Goodman -- not accepted
  Mucronea perfoliata (A. Gray) A. Heller -- accepted -- perfoliate spineflower
  Mucronea perfoliata var. opaca Hoover -- not accepted
  Muehlenbeckia Meisn. -- accepted -- maidenhair vine
  Muehlenbeckia axillaris auct. non (Hook. f.) Walp. -- not accepted
  Muehlenbeckia axillaris (Hook. f.) Walp. -- accepted -- sprawling wirevine
  Muehlenbeckia complexa Meisn. -- accepted -- maidenhair vine
  Muehlenbeckia hastulata (Sm.) I.M. Johnst. -- accepted -- wirevine
  Muehlenbeckia hastulata var. hastulata (Sm.) I.M. Johnst. -- accepted -- wirevine
  Muehlenbeckia platyclada (F. Muell.) Lindau -- not accepted
  Nemacaulis Nutt. -- accepted -- cottonheads
  Nemacaulis denudata Nutt. -- accepted -- cottonheads, woollyheads
  Nemacaulis denudata var. denudata Nutt. -- accepted -- cottonheads
  Nemacaulis denudata var. gracilis Goodman & L.D. Benson -- accepted -- cottonheads
  Oxyria Hill -- accepted -- mountain sorrel, mountainsorrel
  Oxyria digyna (L.) Hill -- accepted -- alpine mountainsorrel, mountain sorrel
  Oxytheca Nutt. -- accepted
  Oxytheca abramsii McGregor -- not accepted
  Oxytheca caryophylloides Parry -- not accepted -- chickweed oxytheca
  Oxytheca dendroidea Nutt. -- accepted -- narrowleaf oxytheca
  Oxytheca dendroidea ssp. dendroidea Nutt. -- accepted -- narrowleaf oxytheca
  Oxytheca emarginata H.M. Hall -- not accepted -- whitemargin oxytheca
  Oxytheca foliosa Nutt. -- not accepted
  Oxytheca glandulosa Nutt. -- not accepted
  Oxytheca hirtiflora (A. Gray ex S. Watson) Greene -- not accepted
  Oxytheca inermis S. Watson -- not accepted
  Oxytheca insignis (Curran) Goodman -- not accepted
  Oxytheca luteola Parry -- not accepted
  Oxytheca parishii Parry -- not accepted -- Parish's oxytheca
  Oxytheca parishii ssp. abramsii (McGregor) Munz -- not accepted
  Oxytheca parishii var. abramsii (McGregor) Munz -- not accepted -- Abrams' oxytheca
  Oxytheca parishii var. cienegensis Ertter -- not accepted -- Cienega Seca oxytheca
  Oxytheca parishii var. goodmaniana Ertter -- not accepted -- Cushenbury oxytheca
  Oxytheca parishii var. parishii Parry -- not accepted -- Parish's oxytheca
  Oxytheca perfoliata Torr. & A. Gray -- accepted -- perfoliate oxytheca, round-leaf puncturebract, roundleaf oxytheca
  Oxytheca spergulina (A. Gray) Greene -- not accepted
  Oxytheca trilobata A. Gray -- not accepted -- threelobe oxytheca
  Oxytheca watsonii Torr. & A. Gray -- accepted -- Watson's oxytheca
  Persicaria (L.) Mill. -- accepted -- smartweed
  Persicaria acuminata (Kunth) M. Gómez -- not accepted
  Persicaria amphibia (L.) Gray -- not accepted -- water knotweed
  Persicaria amphibia (L.) Delarbre -- accepted -- water knotweed
  Persicaria amphibia var. emersa (Michx.) J.C. Hickman -- not accepted
  Persicaria amphibia var. stipulacea (N. Coleman) H. Hara -- not accepted
  Persicaria arifolia (L.) Haraldson -- accepted -- halberdleaf tearthumb
  Persicaria bicornis (Raf.) Nieuwl. -- accepted -- pink smartweed
  Persicaria bistorta (L.) Samp. -- not accepted
  Persicaria bistortoides (Pursh) H. Hinds -- not accepted
  Persicaria bungeana (Turcz.) Nakai -- accepted -- Bunge's smartweed
  Persicaria caespitosa (Blume) Nakai -- not accepted -- oriental lady's thumb
  Persicaria caespitosa var. longiseta (Bruijn) C.F. Reed -- not accepted
  Persicaria capitata (Buch.-Ham. ex D. Don) H. Gross -- accepted -- pinkhead smartweed
  Persicaria careyi (Olney) Greene -- accepted -- Carey's smartweed
  Persicaria chinensis (L.) H. Gross -- accepted -- Chinese knotweed
  Persicaria coccinea (Muhl. ex Willd.) Greene -- not accepted
  Persicaria densiflora (Meisn.) Moldenke -- not accepted
  Persicaria glabra (Willd.) M. Gómez -- accepted -- denseflower knotweed
  Persicaria hirsuta (Walter) Small -- accepted -- hairy smartweed
  Persicaria hydropiper (L.) Opiz -- accepted -- marshpepper knotweed
  Persicaria hydropiperoides (Michx.) Small -- accepted -- swamp smartweed
  Persicaria hydropiperoides var. breviciliata (Fernald) C.F. Reed -- not accepted
  Persicaria hydropiperoides var. euronotora (Fernald) C.F. Reed -- not accepted
  Persicaria hydropiperoides var. opelousana (Riddell ex Small) J.S. Wilson -- not accepted
  Persicaria incarnata (Elliott) Small -- not accepted
  Persicaria lapathifolia (L.) Gray -- accepted -- curlytop knotweed
  Persicaria longiseta (Bruijn) Moldenke -- not accepted -- oriental lady's thumb
  Persicaria longistyla (Small) Small -- not accepted
  Persicaria maculata (Raf.) Gray -- not accepted
  Persicaria maculosa Gray -- accepted -- spotted ladysthumb
  Persicaria meisneriana (Cham. & Schltdl.) M. Gómez -- accepted -- branched tearthumb
  Persicaria meisneriana var. beyrichiana (Cham. & Schltdl.) C.C. Freeman -- accepted -- branched tearthumb
  Persicaria mesochora Greene -- not accepted
  Persicaria minor (Huds.) Opiz -- accepted -- pygmy smartweed
  Persicaria mississippiensis (Stanford) Small -- not accepted
  Persicaria muehlenbergii (S. Watson) Small -- not accepted
  Persicaria muhlenbergii (S. Watson) Small -- not accepted
  Persicaria nebraskensis Greene -- not accepted
  Persicaria neofiliforme (Nakai) Ohki -- not accepted -- jumpseed
  Persicaria nepalensis (Meisn.) H. Gross -- accepted -- Nepalese smartweed
  Persicaria nodosa (Pers.) Opiz -- accepted
  Persicaria opelousana (Riddell ex Small) Small -- not accepted
  Persicaria orientalis (L.) Spach -- accepted -- kiss me over the garden gate
  Persicaria paludicola Small -- not accepted
  Persicaria pensylvanica (L.) M. Gómez -- accepted -- Pennsylvania smartweed
  Persicaria pensylvanica var. dura (Stanford) C.F. Reed -- not accepted
  Persicaria perfoliata (L.) H. Gross -- accepted -- Asiatic tearthumb
  Persicaria persicaria (L.) Small -- not accepted
  Persicaria persicarioides (Kunth) Small -- not accepted
  Persicaria portoricensis (Bertero ex Small) Small -- not accepted
  Persicaria posumbu (Buch.-Ham. ex D. Don) H. Gross -- accepted -- oriental lady's thumb, oriental ladysthumb
  Persicaria punctata (Elliott) Small -- accepted -- dotted smartweed
  Persicaria punctata var. eciliata Small -- not accepted
  Persicaria punctata var. leptostachya (Meisn.) Small -- not accepted
  Persicaria puritanorum (Fernald) Soják -- accepted
  Persicaria robustior (Small) E.P. Bicknell -- accepted -- stout smartweed
  Persicaria ruderalis (Salisb.) C.F. Reed -- not accepted
  Persicaria ruderalis var. vulgaris (Webb & Moq.) C.F. Reed -- not accepted
  Persicaria sagittata (L.) H. Gross -- accepted -- arrowleaf tearthumb
  Persicaria segeta (Kunth) Small -- not accepted
  Persicaria setacea (Baldwin) Small -- accepted -- bog smartweed
  Persicaria setacea var. interjecta (Fernald) C.F. Reed -- not accepted
  Persicaria setacea var. tonsa (Fernald) C.F. Reed -- not accepted
  Persicaria tomentosa (Schrank) E.P. Bicknell -- not accepted
  Persicaria virginiana (L.) Gaertn. -- accepted -- jumpseed
  Persicaria vivipara (L.) Ronse Decr. -- not accepted
  Persicaria vulgaris Webb & Moq. -- not accepted
  Persicaria wallichii Greuter & Burdet -- accepted -- cultivated knotweed
  Persicaria wallichii var. wallichii Greuter & Burdet -- accepted -- cultivated knotweed
  Pleuropteropyrum alpinum (All.) Kitag. -- not accepted
  Pleuropterus cuspidatus (Siebold & Zucc.) Moldenke -- not accepted
  Pleuropterus zuccarinii Small -- not accepted
  Polygonaceae -- accepted -- buckwheat, knotweed, renouées
  Polygonella Michx. -- accepted -- jointweed
  Polygonella americana (Fisch. & C.A. Mey.) Small -- accepted -- southern jointweed
  Polygonella articulata (L.) Meisn. -- accepted -- coastal jointweed
  Polygonella basiramia (Small) G.L. Nesom & V.M. Bates -- accepted -- Florida jointweed, wireweed
  Polygonella brachystachya Meisn. -- not accepted
  Polygonella ciliata Meisn. -- accepted -- hairy jointweed
  Polygonella ciliata var. basiramia (Small) Horton -- not accepted
  Polygonella croomii Chapm. -- not accepted
  Polygonella fimbriata (Elliott) Horton -- accepted -- sandhill jointweed
  Polygonella fimbriata var. robusta (Small) Horton -- not accepted
  Polygonella gracilis Meisn. -- accepted -- tall jointweed
  Polygonella macrophylla Small -- accepted -- large-leaved jointweed, largeleaf jointweed
  Polygonella myriophylla (Small) Horton -- accepted -- sandlace, Small's jointweed
  Polygonella parksii Cory -- accepted -- Parks' jointweed
  Polygonella polygama (Vent.) Engelm. & A. Gray -- accepted -- October flower
  Polygonella polygama var. brachystachya (Meisn.) Wunderlin -- accepted -- October flower
  Polygonella polygama var. croomii (Chapm.) Fernald -- accepted -- October flower
  Polygonella polygama var. polygama (Vent.) Engelm. & A. Gray -- accepted -- October flower
  Polygonella robusta (Small) G.L. Nesom & V.M. Bates -- accepted -- largeflower jointweed
  Polygonum L. -- accepted -- knotweed, smartweed species
  Polygonum achoreum S.F. Blake -- accepted -- leathery knotweed, striate knotweed
  Polygonum acre Kunth -- not accepted
  Polygonum acuminata Kunth -- not accepted
  Polygonum acuminatum Kunth -- accepted -- tapertip smartweed
  Polygonum aequale Lindm. -- not accepted
  Polygonum alaskanum W. Wight ex Harshberger -- not accepted
  Polygonum alaskanum var. glabrescens Hultén -- not accepted
  Polygonum alatum Buch.-Ham. ex D. Don -- not accepted
  Polygonum allocarpum S.F. Blake -- not accepted
  Polygonum alpinum All. -- not accepted -- Alaska wild rhubarb
  Polygonum amphibium L. -- not accepted -- water knotweed, water smartweed
  Polygonum amphibium ssp. laevimarginatum Hultén -- not accepted
  Polygonum amphibium var. coccineum (Muhl. ex Willd.) Farw. -- not accepted
  Polygonum amphibium var. emersum Michx. -- not accepted -- colored smartweed, devil's shoestring, longroot smartweed, swamp smartweed, tanweed
  Polygonum amphibium var. hartwrightii (A. Gray) Bissell -- not accepted
  Polygonum amphibium var. stipulaceum N. Coleman -- not accepted -- water smartweed
  Polygonum arenarium Waldst. & Kit. -- accepted -- European knotweed
  Polygonum arenastrum Boreau -- not accepted -- common knotweed, doorweed, matweed, oval-leaf knotweed, ovalleaf knotweed, prostrate knotweed
  Polygonum argyrocoleon Steud. ex Kunze -- accepted -- Persian knotweed, silver-sheath knotweed, silversheath knotweed
  Polygonum arifolium L. -- not accepted -- halberdleaf tearthumb
  Polygonum arifolium var. lentiforme Fernald & Griscom -- not accepted
  Polygonum arifolium var. pubescens (R. Keller) Fernald -- not accepted
  Polygonum articulatum L. -- not accepted
  Polygonum atlanticum (B.L. Rob.) E.P. Bicknell -- not accepted
  Polygonum aubertii Henry -- not accepted -- Chinese fleecevine
  Polygonum austiniae Greene -- accepted -- Austin's knotweed
  Polygonum autumnale Brenckle -- not accepted
  Polygonum aviculare L. -- accepted -- prostrate knotweed, yard knotweed
  Polygonum aviculare ssp. aviculare L. -- accepted -- common knotweed
  Polygonum aviculare ssp. boreale (Lange) Karlsson -- accepted -- northern knotweed
  Polygonum aviculare ssp. buxiforme (Small) Costea & Tardif -- accepted -- American knotweed, box knotweed
  Polygonum aviculare ssp. depressum (Meisn.) Arcang. -- accepted -- common knotweed, oval-leaf knotweed, renouée ŕ petits fruits
  Polygonum aviculare ssp. neglectum (Besser) Arcang. -- accepted -- narrow-leaf knotweed, renouée négligée
  Polygonum aviculare ssp. rurivagum (Jordan ex Boreau) Berher -- accepted -- narrow-leaf knotweed
  Polygonum aviculare var. angustissimum Meisn. -- not accepted
  Polygonum aviculare var. arenastrum (Boreau) Rouy -- not accepted
  Polygonum aviculare var. boreale Lange -- not accepted
  Polygonum aviculare var. erectum (L.) Roth ex Meisn. -- not accepted
  Polygonum aviculare var. littorale (Link) Mert. -- not accepted
  Polygonum aviculare var. vegetum Ledeb. -- not accepted
  Polygonum baldschuanicum Regel -- not accepted -- Bukhara fleeceflower
  Polygonum bellardii auct. non All. -- not accepted -- narrowleaf knotweed
  Polygonum bellardii All. -- accepted -- narrowleaf knotweed
  Polygonum beyrichianum Cham. & Schltdl. -- not accepted
  Polygonum bicorne Raf. -- not accepted
  Polygonum bidwelliae S. Watson -- accepted -- Bidwell knotweed, Bidwell's knotweed
  Polygonum bistorta L. -- not accepted -- meadow bistort
  Polygonum bistorta ssp. plumosum (Small) Hultén -- not accepted
  Polygonum bistorta var. bistorta L. -- not accepted -- meadow bistort
  Polygonum bistorta var. plumosum (Small) B. Boivin -- not accepted -- meadow bistort
  Polygonum bistortoides Pursh -- not accepted -- American bistort
  Polygonum bistortoides var. linearifolium (S. Watson) Small -- not accepted
  Polygonum bistortoides var. oblongifolium (Meisn.) H. St. John -- not accepted
  Polygonum bolanderi W.H. Brewer -- accepted -- Bolander's knotweed
  Polygonum boreale (Lange) Small -- not accepted -- northern knotweed
  Polygonum brasiliense K. Koch -- not accepted
  Polygonum braziliense K. Koch -- not accepted
  Polygonum bungeanum Turcz. -- not accepted -- Bunge's smartweed
  Polygonum buxifolium Nutt. ex Bong. -- not accepted
  Polygonum buxiforme Small -- not accepted -- box knotweed, prairie knotweed
  Polygonum buxiforme var. montanum (Small) R.J. Davis -- not accepted
  Polygonum caespitosum Blume -- not accepted -- bristled knotweed, bunchy knotweed, oriental lady's thumb, oriental ladysthumb
  Polygonum caespitosum var. caespitosum Blume -- not accepted -- oriental lady's thumb, oriental ladysthumb
  Polygonum caespitosum var. longisetum (Bruijn) Steward -- not accepted -- oriental lady's thumb, oriental ladysthumb
  Polygonum californicum Meisn. -- accepted -- California knotweed
  Polygonum campanulatum Hook. f. -- not accepted -- bellflower smartweed
  Polygonum camporum Meisn. -- not accepted
  Polygonum capitatum Buch.-Ham. ex D. Don -- not accepted -- pinkhead smartweed
  Polygonum careyi Olney -- not accepted -- Carey's smartweed, renouée de Carey
  Polygonum cascadense W.H. Baker -- accepted -- Cascade knotweed, knotweed
  Polygonum caurianum B.L. Rob. -- not accepted -- Alaska knotweed
  Polygonum caurianum ssp. caurianum B.L. Rob. -- not accepted -- Alaska knotweed
  Polygonum caurianum ssp. hudsonianum S.J. Wolf & McNeill -- not accepted
  Polygonum cephalophorum Greene -- not accepted
  Polygonum cespitosum Blume -- not accepted -- oriental lady's thumb, oriental ladysthumb
  Polygonum cespitosum var. cespitosum Blume -- not accepted -- oriental lady's thumb, oriental ladysthumb
  Polygonum cespitosum var. longisetum (Bruijn) Steward -- not accepted -- oriental lady's thumb, oriental ladysthumb
  Polygonum chinense L. -- not accepted -- Chinese knotweed
  Polygonum cilinode Michx. -- not accepted -- fringed black bindweed
  Polygonum cilinode var. laevigatum Fernald -- not accepted
  Polygonum coarctatum var. majus Meisn. -- not accepted
  Polygonum coccineum Muhl. ex Willd. -- not accepted -- longroot smartweed
  Polygonum coccineum var. pratincola (Greene) Stanford -- not accepted
  Polygonum coccineum var. rigidulum (E. Sheld.) Stanford -- not accepted
  Polygonum coccineum var. terrestre Willd. -- not accepted
  Polygonum confertiflorum Nutt. ex Piper -- not accepted
  Polygonum convolvulus L. -- not accepted -- black bindweed, black-bindweed, climbing buckwheat, climbing knotweed, cornbind, dullseed cornbind, pink smartweed, wild buckwheat
  Polygonum convolvulus var. convolvulus L. -- not accepted -- black bindweed, wild buckwheat
  Polygonum convolvulus var. subulatum Lej. & Courtois -- not accepted -- black bindweed, wild buckwheat
  Polygonum cristatum Engelm. & A. Gray -- not accepted
  Polygonum cuspidatum Siebold & Zucc. -- not accepted -- fleeceflower, Japanese knotweed, Mexican bamboo
  Polygonum cuspidatum var. compactum (Hook. f.) L.H. Bailey -- not accepted
  Polygonum davisiae W.H. Brewer ex A. Gray -- not accepted -- Davis' knotweed
  Polygonum densiflorum Meisn. -- not accepted -- denseflower knotweed
  Polygonum douglasii Greene -- accepted -- Douglas' knotweed
  Polygonum douglasii ssp. austiniae (Greene) A.E. Murray -- not accepted -- Austin's knotweed
  Polygonum douglasii ssp. douglasii Greene -- not accepted -- Douglas' knotweed, renouée de Douglas variété de Douglas
  Polygonum douglasii ssp. engelmannii (Greene) Kartesz & Gandhi -- not accepted -- Engelmann's knotweed
  Polygonum douglasii ssp. johnstonii (Munz) J.C. Hickman -- not accepted -- Johnston's knotweed
  Polygonum douglasii ssp. majus (Meisn.) J.C. Hickman -- not accepted -- large knotweed
  Polygonum douglasii ssp. nuttallii (Small) J.C. Hickman -- not accepted -- Nuttall's knotweed
  Polygonum douglasii ssp. spergulariiforme (Meisn. ex Small) J.C. Hickman -- not accepted -- scatter knotweed
  Polygonum douglasii var. austiniae (Greene) M.E. Jones -- not accepted
  Polygonum douglasii var. johnstonii Munz -- not accepted
  Polygonum douglasii var. latifolium (Engelm.) Greene -- not accepted
  Polygonum douglasii var. microspermum (Engelm.) Dorn -- not accepted
  Polygonum dubium Stein -- not accepted
  Polygonum dumetorum L. -- not accepted
  Polygonum dumetorum var. scandens (L.) A. Gray -- not accepted
  Polygonum emaciatum A. Nelson -- not accepted
  Polygonum engelmannii Greene -- accepted -- Engelmann's knotweed
  Polygonum equisetiforme Sm. -- accepted
  Polygonum erectum L. -- accepted -- devil's shoestring, erect knotweed, wireweed
  Polygonum erectum ssp. achoreum (S.F. Blake) Á. Löve & D. Löve -- not accepted
  Polygonum esotericum L.C. Wheeler -- not accepted
  Polygonum exsertum Small -- not accepted
  Polygonum fagopyrum L. -- not accepted
  Polygonum fimbriatum Elliott -- not accepted
  Polygonum fluitans Eaton -- not accepted
  Polygonum fowleri B.L. Rob. -- accepted -- Fowler's knotweed
  Polygonum fowleri ssp. fowleri B.L. Rob. -- accepted -- Fowler's knotweed
  Polygonum fowleri ssp. hudsonianum (S.J. Wolf & McNeill) Costea & Tardif -- accepted
  Polygonum fugax Small -- not accepted
  Polygonum fusiforme Greene -- not accepted -- Needles knotweed
  Polygonum gabrielae Costea & Tardif -- accepted
  Polygonum glabrum sensu Cham. & Schltdl. -- not accepted
  Polygonum glabrum Willd. -- not accepted -- denseflower knotweed
  Polygonum glastifolium Greene -- not accepted
  Polygonum glaucum Nutt. -- accepted -- seaside knotweed
  Polygonum gracile Nutt. -- not accepted
  Polygonum graminifolium Wierzb. ex Heuffel -- not accepted
  Polygonum greenii S. Watson -- not accepted
  Polygonum hartwrightii A. Gray -- not accepted
  Polygonum herniarioides Delile -- not accepted -- knotweed, rupturewort
  Polygonum heterophyllum Lindl. -- not accepted
  Polygonum heterosepalum M. Peck & Ownbey -- accepted -- oddsepal knotweed
  Polygonum hickmanii H. Hinds & Rand. Morgan -- accepted -- Hickman's knotweed, Scotts Valley polygonum
  Polygonum hirsutum Walter -- not accepted -- hairy smartweed
  Polygonum hudsonianum (S.J. Wolf & McNeill) H.R. Hinds -- not accepted
  Polygonum humifusum C. Merck ex Pall. -- not accepted -- Alaska knotweed
  Polygonum humifusum C. Merck ex K. Koch -- accepted -- Alaska knotweed
  Polygonum humifusum ssp. caurianum (B.L. Rob.) Costea & Tardif -- accepted -- Alaska knotweed
  Polygonum humifusum ssp. humifusum C. Merck ex K. Koch -- accepted
  Polygonum hydropiper L. -- not accepted -- annual smartweed, marshpepper knotweed, mild water-pepper
  Polygonum hydropiper var. projectum Stanford -- not accepted
  Polygonum hydropiperoides Michx. -- not accepted -- swamp smartweed
  Polygonum hydropiperoides var. adenocalyx (Stanford) Gleason -- not accepted
  Polygonum hydropiperoides var. asperifolium Stanford -- not accepted
  Polygonum hydropiperoides var. breviciliatum Fernald -- not accepted
  Polygonum hydropiperoides var. bushianum Stanford -- not accepted
  Polygonum hydropiperoides var. digitatum Fernald -- not accepted
  Polygonum hydropiperoides var. euronotorum Fernald -- not accepted
  Polygonum hydropiperoides var. hydropiperoides Michx. -- not accepted
  Polygonum hydropiperoides var. opelousanum (Riddell ex Small) Riddell -- not accepted
  Polygonum hydropiperoides var. psilostachyum H. St. John -- not accepted
  Polygonum hydropiperoides var. setaceum (Baldwin) Gleason -- not accepted
  Polygonum hydropiperoides var. strigosum Small -- not accepted
  Polygonum imbricatum Nutt. -- not accepted
  Polygonum incanum F.W. Schmidt -- not accepted
  Polygonum incarnatum Elliott -- not accepted
  Polygonum interius Brenckle -- not accepted
  Polygonum inundatum Raf. -- not accepted
  Polygonum kelloggii Greene -- not accepted
  Polygonum kelloggii var. confertiflorum (Nutt. ex Piper) Dorn -- not accepted
  Polygonum lacerum Kunth -- accepted -- fringed knotweed
  Polygonum lapathifolium L. -- not accepted -- curltop ladysthumb, curlytop knotweed, curlytop smartweed, dock-leaf smartweed, nodding smartweed, pale smartweed
  Polygonum lapathifolium ssp. pallidum (With.) Fr. -- not accepted
  Polygonum lapathifolium var. incanum (F.W. Schmidt) W.D.J. Koch -- not accepted
  Polygonum lapathifolium var. lapathifolium L. -- not accepted -- curlytop knotweed
  Polygonum lapathifolium var. nodosum (Pers.) Small -- not accepted
  Polygonum lapathifolium var. ovatum A. Braun -- not accepted
  Polygonum lapathifolium var. prostratum Wimm. -- not accepted
  Polygonum lapathifolium var. salicifolium Sibth. -- not accepted -- curlytop knotweed
  Polygonum leptocarpum B.L. Rob. -- not accepted -- narrow-point knotweed, narrowpoint knotweed
  Polygonum longisetum Bruijn -- not accepted
  Polygonum longistylum Small -- not accepted
  Polygonum longistylum var. omissum (Greene) Stanford -- not accepted
  Polygonum macounii Small ex Macoun -- not accepted
  Polygonum majus (Meisn.) Piper -- accepted -- large knotweed
  Polygonum marinense T.R. Mert. & P.H. Raven -- accepted -- Marin knotweed
  Polygonum maritimum auct. non L. -- not accepted
  Polygonum meisnerianum Cham. & Schltdl. -- not accepted -- branched tearthumb
  Polygonum meisnerianum var. beyrichianum (Cham. & Schltdl.) Meisn. -- not accepted -- branched tearthumb
  Polygonum mexicanum auct. non Small -- not accepted
  Polygonum microspermum (Engelm.) Small -- not accepted
  Polygonum minimum S. Watson -- accepted -- broadleaf knotweed, dwarf knotweed, zigzag knotweed
  Polygonum minus auct. non Huds. -- not accepted
  Polygonum minus Huds. -- not accepted -- pygmy smartweed
  Polygonum minus var. minus Huds. -- not accepted
  Polygonum minus var. subcontinuum (Meisn.) Fernald -- not accepted
  Polygonum mississippiense Stanford -- not accepted
  Polygonum mississippiense var. interius Stanford -- not accepted
  Polygonum monspeliense Thiéb.-Bern. ex Pers. -- not accepted
  Polygonum montanum Small -- not accepted
  Polygonum montereyense Brenckle -- not accepted -- Monterey knotweed
  Polygonum muhlenbergii S. Watson -- not accepted
  Polygonum muhlenbergii var. terrestre (Willd.) Trel. -- not accepted
  Polygonum multiflorum Thunb. -- not accepted -- tuber fleeceflower
  Polygonum natans Eaton -- not accepted
  Polygonum neglectum Besser -- not accepted
  Polygonum nepalense Meisn. -- not accepted -- Nepalese smartweed
  Polygonum newberryi Small -- not accepted -- Newberry's knotweed
  Polygonum newberryi var. glabrum G.N. Jones -- not accepted
  Polygonum nodosum Pers. -- not accepted
  Polygonum nuttallii Small -- accepted -- Nuttall's knotweed
  Polygonum oneillii Brenckle -- not accepted
  Polygonum opelousanum Riddell ex Small -- not accepted
  Polygonum opelousanum var. adenocalyx Stanford -- not accepted
  Polygonum orientale L. -- not accepted -- kiss me over the garden gate, princesfeather
  Polygonum oxyspermum C.A. Mey. & Bunge ex Ledeb. -- accepted -- sharpfruit knotweed
  Polygonum oxyspermum ssp. oxyspermum C.A. Mey. & Bunge ex Ledeb. -- accepted
  Polygonum oxyspermum ssp. raii (Bab.) D.A. Webb & Chater -- accepted -- Ray's knotweed
  Polygonum paronychia Cham. & Schltdl. -- accepted -- beach knotweed
  Polygonum paronychioides Small ex Rydb. -- not accepted -- knotweed
  Polygonum parryi Greene -- accepted -- Parry's knotweed
  Polygonum patulum M. Bieb. -- accepted -- Bellard's smartweed
  Polygonum pensylvanicum L. -- not accepted -- Pennsylvania knotweed, Pennsylvania smartweed, pinkweed, pinweed
  Polygonum pensylvanicum ssp. oneillii (Brenckle) Hultén -- not accepted
  Polygonum pensylvanicum var. durum Stanford -- not accepted
  Polygonum pensylvanicum var. eglandulosum Myers -- not accepted -- Lake Erie pinkweed
  Polygonum pensylvanicum var. genuinum Fernald -- not accepted
  Polygonum pensylvanicum var. laevigatum Fernald -- not accepted
  Polygonum pensylvanicum var. rosiflorum Norton -- not accepted
  Polygonum perfoliatum L. -- not accepted -- Asiatic tearthumb, mile-a-minute weed
  Polygonum persicaria L. -- not accepted -- lady's-thumb, ladysthumb, ladysthumb smartweed, spotted knotweed, spotted ladysthumb, spotted smartweed
  Polygonum persicaria var. angustifolium Beckh. -- not accepted
  Polygonum persicaria var. ruderale (Salisb.) Meisn. -- not accepted
  Polygonum persicarioides Kunth -- not accepted
  Polygonum phytolaccifolium Meisn. ex Small -- not accepted -- mountain lice, poke knotweed
  Polygonum plebeium R. Br. -- accepted -- common knotweed
  Polygonum plumosum Small -- not accepted
  Polygonum polycnemoides Jaub. & Spach -- accepted -- manyleg knotweed
  Polygonum polycnemoides var. oliveri Jaub. & Spach -- not accepted -- Oliver's knotweed
  Polygonum polycnemoides var. polycnemoides Jaub. & Spach -- not accepted -- Himalayan fleeceflower
  Polygonum polygaloides Meisn. -- accepted -- milkwort knotweed, polygala knotweed, white-margin knotweed
  Polygonum polygaloides ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman -- accepted -- denseflower knotweed, fruitleaf knotweed
  Polygonum polygaloides ssp. esotericum (L.C. Wheeler) J.C. Hickman -- accepted -- whitemargin knotweed
  Polygonum polygaloides ssp. kelloggii (Greene) J.C. Hickman -- accepted -- Kellogg's knotweed
  Polygonum polygaloides ssp. polygaloides Meisn. -- accepted -- milkwort knotweed
  Polygonum polygamum Vent. -- not accepted
  Polygonum polystachyum Wall. ex Meisn. -- not accepted -- cultivated knotweed, Himalayan knotweed
  Polygonum portoricense Bertero ex Small -- not accepted
  Polygonum prolificum (Small) B.L. Rob. -- not accepted
  Polygonum provinciale K. Koch -- not accepted
  Polygonum punctatum Elliott -- not accepted -- dotted smartweed
  Polygonum punctatum var. aquatile (Mart.) Fassett -- not accepted
  Polygonum punctatum var. confertiflorum (Meisn.) Fassett -- not accepted -- dotted smartweed
  Polygonum punctatum var. ellipticum Fassett -- not accepted
  Polygonum punctatum var. leptostachyum (Meisn.) Small -- not accepted
  Polygonum punctatum var. majus (Meisn.) Fassett -- not accepted -- stout smartweed
  Polygonum punctatum var. parviflorum Fassett -- not accepted
  Polygonum punctatum var. parvum Vict. & J. Rousseau -- not accepted
  Polygonum punctatum var. punctatum Elliott -- not accepted -- dotted smartweed
  Polygonum punctatum var. robustius Small -- not accepted
  Polygonum puritanorum Fernald -- not accepted
  Polygonum raii Bab. -- not accepted -- Ray's knotweed
  Polygonum ramosissimum Michx. -- accepted -- bushy knotweed, tall knotweed, yellow knotweed, yellow-flower knotweed
  Polygonum ramosissimum ssp. prolificum (Small) Costea & Tardif -- accepted -- bushy knotweed
  Polygonum ramosissimum ssp. ramosissimum Michx. -- accepted -- bushy knotweed
  Polygonum ramosissimum var. prolificum Small -- not accepted -- bushy knotweed, yellow-flower knotweed
  Polygonum ramosissimum var. ramosissimum Michx. -- not accepted -- bushy knotweed, yellow-flower knotweed
  Polygonum robustius (Small) Fernald -- not accepted -- stout smartweed
  Polygonum rurivagum Jord. ex Boreau -- not accepted
  Polygonum sachalinense F. Schmidt ex Maxim. -- not accepted -- giant knotweed
  Polygonum sagittatum L. -- not accepted -- arrow-leaf tearthumb, arrowleaf knotweed, arrowleaf tearthumb, arrowvine
  Polygonum sagittatum var. gracilentum Fernald -- not accepted
  Polygonum salicifolium Brouss. ex Willd. -- not accepted
  Polygonum sawatchense Small -- accepted
  Polygonum sawatchense ssp. oblivium Costea & Tardif -- accepted
  Polygonum sawatchense ssp. sawatchense Small -- accepted
  Polygonum scabrum Moench -- not accepted
  Polygonum scandens L. -- not accepted -- climbing false buckwheat, climbing knotweed
  Polygonum scandens var. cristatum (Engelm. & A. Gray) Gleason -- not accepted -- climbing false buckwheat, false buckwheat
  Polygonum scandens var. dumetorum (L.) Gleason -- not accepted -- climbing false buckwheat
  Polygonum scandens var. scandens L. -- not accepted -- climbing false buckwheat
  Polygonum segetum Kunth -- accepted -- field smartweed
  Polygonum setaceum Baldwin -- not accepted -- bog smartweed
  Polygonum setaceum var. interjectum Fernald -- not accepted -- bog smartweed
  Polygonum setaceum var. setaceum Baldwin -- not accepted -- bog smartweed
  Polygonum setaceum var. tonsum Fernald -- not accepted
  Polygonum shastense W.H. Brewer -- accepted -- Shasta knotweed
  Polygonum spaethii Dammer -- not accepted
  Polygonum spergulariiforme Meisn. ex Small -- accepted -- scatter knotweed
  Polygonum striatulum B.L. Rob. -- accepted -- striped knotweed
  Polygonum striatulum var. texense (M.C. Johnst.) Costea & Tardif -- not accepted
  Polygonum tataricum L. -- not accepted
  Polygonum tenue Michx. -- accepted -- pleatleaf knotweed
  Polygonum tenue var. microspermum Engelm. -- not accepted
  Polygonum tenue var. protrusum Fernald -- not accepted -- pleatleaf knotweed
  Polygonum tenue var. tenue Michx. -- not accepted -- pleatleaf knotweed
  Polygonum texense M.C. Johnst. -- not accepted
  Polygonum tomentosum Schrank -- not accepted
  Polygonum triandrum Coolidge -- not accepted
  Polygonum triangulum E.P. Bicknell -- not accepted
  Polygonum unifolium Small ex Rydb. -- not accepted
  Polygonum utahense Brenckle & Cottam -- accepted
  Polygonum uvifera L. -- not accepted
  Polygonum virginianum L. -- not accepted -- jumpseed, Virginia smartweed
  Polygonum virginianum var. glaberrimum (Fernald) Steyerm. -- not accepted
  Polygonum viviparum L. -- not accepted -- alpine bistort, serpent-grass, viviparous bistort
  Polygonum viviparum var. alpinum Wahlenb. -- not accepted
  Polygonum viviparum var. macounii (Small ex Macoun) Hultén -- not accepted
  Polygonum vulcanicum Greene -- not accepted
  Polygonum watsonii Small -- not accepted
  Polygonum X bohemicum (Chrtek & Chrtková) Zika & Jacobson -- not accepted -- Bohemian knotweed
  Polygonum zuccarinii Small -- not accepted
  Pterogonum alatum (Torr.) H. Gross -- not accepted
  Pterostegia Fisch. & C.A. Mey. -- accepted
  Pterostegia drymarioides Fisch. & C.A. Mey. -- accepted -- woodland pterostegia, woodland threadstem
  Rajania ovata Walter -- not accepted
  Reynoutria baldschuanica (Regel) Shinners -- not accepted
  Reynoutria cilinodis (Michx.) Shinners -- not accepted
  Reynoutria convolvulus (L.) Shinners -- not accepted
  Reynoutria japonica Houtt. -- not accepted
  Reynoutria sachalinensis (F. Schmidt ex Maxim.) Nakai -- not accepted
  Reynoutria scandens (L.) Shinners -- not accepted
  Reynoutria scandens var. cristata (Engelm. & A. Gray) Shinners -- not accepted
  Reynoutria scandens var. dumetorum (L.) Shinners -- not accepted
  Rheum L. -- accepted -- rhubarb
  Rheum officinale Baill. -- accepted -- Chinese rhubarb
  Rheum palmatum L. -- accepted -- Chinese rhubarb
  Rheum rhabarbarum L. -- accepted -- garden rhubarb
  Rheum rhaponticum L. -- accepted -- false rhubarb
  Rumex L. -- accepted -- dock
  Rumex acetosa L. -- accepted -- garden sorrel
  Rumex acetosa ssp. acetosa L. -- not accepted -- garden sorrel
  Rumex acetosa ssp. alpestris (Jacq.) Á. Löve -- not accepted -- garden sorrel
  Rumex acetosa ssp. lapponicus Hiitonen -- not accepted -- garden sorrel
  Rumex acetosa ssp. pseudoxyria Tolm. -- not accepted -- garden sorrel
  Rumex acetosa ssp. thyrsiflorus (Fingerh.) Hayek -- not accepted -- garden sorrel
  Rumex acetosella L. -- accepted -- common sheep sorrel, field sorrel, red sorrel, sheep sorrel
  Rumex acetosella ssp. angiocarpus (Murb.) Murb. -- not accepted
  Rumex acetosella var. pyrenaeus (Pourr.) Timbal-Lagrave -- not accepted
  Rumex acetosella var. tenuifolius Wallr. -- not accepted
  Rumex albescens Hillebr. -- accepted -- Oahu dock
  Rumex alexidis B. Boivin -- not accepted
  Rumex alpestris Jacq. -- not accepted
  Rumex alpestris ssp. lapponicus (Hiitonen) J. Jalas -- not accepted
  Rumex alpinus L. -- accepted -- Munk's rhubarb
  Rumex alpinus var. subcalligerus Boiss. -- not accepted
  Rumex altissimus Alph. Wood -- accepted -- pale dock, smooth dock
  Rumex angiocarpus Murb. -- not accepted
  Rumex aquaticus L. -- accepted -- western dock
  Rumex aquaticus ssp. fenestratus (Greene) Hultén -- not accepted
  Rumex aquaticus ssp. occidentalis (S. Watson) Hultén -- not accepted
  Rumex aquaticus var. fenestratus (Greene) Dorn -- not accepted -- western dock
  Rumex arcticus Trautv. -- accepted -- arctic dock
  Rumex arcticus var. arcticus Trautv. -- not accepted -- arctic dock
  Rumex arcticus var. perlatus Hultén -- not accepted -- arctic dock
  Rumex beringensis Jurtzev & V.V. Petrovsky -- accepted -- Bering Sea dock
  Rumex berlandieri Meisn. -- not accepted
  Rumex britannica L. -- accepted -- greater water dock
  Rumex britannica sensu Meisn., non L. -- not accepted
  Rumex brittanicus sensu Meisn., non L. -- not accepted
  Rumex brownii Campd. -- accepted -- Browne's dock
  Rumex bucephalophorus L. -- accepted -- red dock
  Rumex californicus Rech. f. -- accepted
  Rumex chrysocarpus Moris -- accepted -- amamastla
  Rumex confertus Willd. -- accepted -- Asiatic dock
  Rumex conglomeratus Murray -- accepted -- clustered dock, sharp dock
  Rumex crassus Rech. f. -- accepted -- willow dock
  Rumex crispus L. -- accepted -- curly dock, narrowleaf dock, sour dock, yellow dock
  Rumex crispus ssp. crispus L. -- not accepted -- curly dock, narrowleaf dock, sour dock, yellow dock
  Rumex crispus ssp. fauriei (Rech. f.) Mosyakin & W.L. Wagner -- not accepted -- curly dock, narrowleaf dock, sour dock, yellow dock
  Rumex cristatus DC. -- accepted -- Greek dock
  Rumex cuneifolius Campd. -- accepted -- wedgeleaf dock
  Rumex densiflorus Osterh. -- accepted -- dense-flower dock, denseflowered dock
  Rumex dentatus L. -- accepted -- toothed dock
  Rumex dentatus ssp. klotzschianus (Meisn.) Rech. f. -- not accepted
  Rumex dentatus var. dentatus L. -- not accepted
  Rumex digyna L. -- not accepted
  Rumex digynus L. -- not accepted
  Rumex domesticus Hartm. -- not accepted
  Rumex ellipticus Greene -- accepted -- elliptic tall dock
  Rumex fascicularis Small -- accepted
  Rumex fauriei Rech. f. -- not accepted
  Rumex fenestratus Greene -- not accepted
  Rumex fennicus (Murb.) Murb. -- not accepted
  Rumex floridanus Meisn. -- accepted -- Florida dock
  Rumex frutescens Thouars -- accepted -- wedgeleaf dock
  Rumex fueginus Phil. -- accepted
  Rumex giganteus W.T. Aiton -- accepted -- pawale
  Rumex giganteus var. nelsonii O. Deg. & I. Deg. -- not accepted
  Rumex graminifolius Georgi ex Lamb. -- accepted -- grassleaf sorrel
  Rumex hastatulus Baldwin -- accepted -- heartwing dock, heartwing sorrel
  Rumex hesperius Greene -- accepted -- Western willow dock
  Rumex hymenosepalus Torr. -- accepted -- canaigre, canaigre dock
  Rumex hymenosepalus var. euhymenosepalus Rech. f. -- not accepted
  Rumex hymenosepalus var. salinus (A. Nelson) Rech. f. -- not accepted
  Rumex kerneri Borbás -- accepted -- Kerner's dock
  Rumex krausei Jurtzev & V.V. Petrovsky -- accepted -- Krause's sorrel
  Rumex lacustris Greene -- accepted -- lake willow dock
  Rumex lapponicus (Hiitonen) Czernov -- accepted
  Rumex longifolius DC. -- accepted -- door-yard dock, dooryard dock
  Rumex maritimus L. -- accepted -- bristle dock, golden dock
  Rumex maritimus ssp. fueginus (Phil.) Hultén -- not accepted
  Rumex maritimus var. athrix H. St. John -- not accepted
  Rumex maritimus var. fueginus (Phil.) Dusén -- not accepted
  Rumex maritimus var. persicarioides (L.) R.S. Mitchell -- not accepted
  Rumex mexicanus Meisn. -- accepted -- Mexican dock, Mexican willow
  Rumex mexicanus var. angustifolius (Meisn.) B. Boivin -- not accepted
  Rumex mexicanus var. sibiricus (Hultén) B. Boivin -- not accepted
  Rumex mexicanus var. strictus M. Peck -- not accepted
  Rumex mexicanus var. subarcticus (Lepage) B. Boivin -- not accepted
  Rumex mexicanus var. transitorius (Rech. f.) B. Boivin -- not accepted
  Rumex nematopodus Rech. f. -- accepted -- Arizona dock
  Rumex obovatus Danser -- accepted -- tropical dock
  Rumex obtusifolius L. -- accepted -- bitter dock, bluntleaf dock
  Rumex obtusifolius ssp. agrestis (Fr.) Danser -- not accepted
  Rumex obtusifolius ssp. sylvestris (Wallr.) Rech. f. -- not accepted
  Rumex obtusifolius var. obtusifolius L. -- not accepted
  Rumex obtusifolius var. sylvestris (Wallr.) Koch -- not accepted
  Rumex occidentalis S. Watson -- accepted -- western dock
  Rumex occidentalis var. fenestratus (Greene) Lepage -- not accepted
  Rumex occidentalis var. labradoricus (Rech. f.) Lepage -- not accepted
  Rumex occidentalis var. procerus (Greene) J.T. Howell -- not accepted
  Rumex orbiculatus A. Gray -- not accepted -- greater water dock
  Rumex orbiculatus var. borealis Rech. f. -- not accepted -- greater water dock
  Rumex orbiculatus var. orbiculatus A. Gray -- not accepted -- greater water dock
  Rumex orthoneurus Rech. f. -- accepted -- Chiricahua dock, Chiricahua Mountain dock
  Rumex pallidus Bigelow -- accepted -- seaside dock
  Rumex palustris Sm. -- accepted -- marsh dock
  Rumex paraguayensis D. Parodi -- accepted -- Paraguayan dock
  Rumex patientia L. -- accepted -- patience dock
  Rumex paucifolius Nutt. -- accepted -- alpine sheep sorrel, fewleaved dock, meadow dock
  Rumex paucifolius ssp. gracilescens (Rech. f.) Rech. f. -- not accepted -- alpine sheep sorrel
  Rumex paucifolius ssp. paucifolius Nutt. -- not accepted -- alpine sheep sorrel, fewleaved dock
  Rumex paucifolius var. gracilescens Rech. f. -- not accepted
  Rumex persicarioides L. -- accepted
  Rumex praecox Rydb. -- accepted -- early dock
  Rumex pratensis Mert. & W.D.J. Koch -- not accepted
  Rumex pseudonatronatus Borbás -- accepted -- field dock
  Rumex pseudoxyria (Tolm.) A.P. Khokhr. -- accepted
  Rumex pulcher L. -- accepted -- fiddle dock
  Rumex pulcher ssp. divaricatus (L.) Murb. -- not accepted
  Rumex pulcher var. pulcher L. -- not accepted
  Rumex pycnanthus Rech. f. -- accepted
  Rumex quadrangulivalvis (Danser) Rech. f. -- not accepted
  Rumex rugosus Campd. -- accepted -- wrinkled dock
  Rumex salicifolius Weinm. -- accepted -- willow dock
  Rumex salicifolius ssp. triangulivalvis Danser -- not accepted
  Rumex salicifolius var. angustivalvis Danser -- not accepted -- willow dock
  Rumex salicifolius var. crassus (Rech. f.) J.T. Howell -- not accepted -- willow dock
  Rumex salicifolius var. denticulatus Torr. -- not accepted -- California dock, toothed willow dock
  Rumex salicifolius var. lacustris (Greene) J.C. Hickman -- not accepted -- lake willow dock
  Rumex salicifolius var. mexicanus (Meisn.) C.L. Hitchc. -- not accepted -- Mexican dock, trianglevalve dock, willow dock
  Rumex salicifolius var. montigenitus Jeps. -- not accepted
  Rumex salicifolius var. salicifolius Weinm. -- not accepted -- willow dock
  Rumex salicifolius var. transitorius (Rech. f.) J.C. Hickman -- not accepted -- willow dock
  Rumex salicifolius var. triangulivalvis (Danser) J.C. Hickman -- not accepted
  Rumex sanguineus L. -- accepted -- redvein dock
  Rumex scutatus L. -- accepted -- French sorrel
  Rumex sibiricus Hultén -- accepted -- Siberian dock
  Rumex skottsbergii O. Deg. & I. Deg. -- accepted -- lava dock
  Rumex spinosus L. -- not accepted
  Rumex spiralis Small -- accepted -- winged dock
  Rumex stenophyllus Ledeb. -- accepted -- narrow-leaf dock, narrowleaf dock
  Rumex subalpinus M.E. Jones -- not accepted -- subalpine dock
  Rumex subarcticus Lepage -- accepted -- subarctic dock, subarctic willow dock
  Rumex tenuifolius (Wallr.) Á. Löve -- not accepted
  Rumex thyrsiflorus Fingerh. -- accepted -- garden sorrel
  Rumex tomentellus Rech. f. -- accepted -- Willow Creek dock
  Rumex transitorius Rech. f. -- accepted -- willow dock
  Rumex triangulivalvis (Danser) Rech. f. -- accepted -- triangular-valved dock, white dock, white willow dock
  Rumex triangulivalvis var. oreolapathum Rech. f. -- not accepted
  Rumex utahensis Rech. f. -- accepted
  Rumex venosus Pursh -- accepted -- veiny dock
  Rumex verticillatus L. -- accepted -- swamp dock
  Rumex vesicarius L. -- accepted
  Rumex violascens Rech. f. -- accepted -- violet dock
  Rumex X acutus L. (pro. sp.) -- not accepted -- acute dock
  Rumex X alexidis B. Boivin -- accepted -- Alex's dock
  Rumex X confusus Simonkai -- accepted -- confused dock
  Rumex X crispobtusifolius Meisn. -- not accepted
  Rumex X dissimilis Rech. f. (pro. sp.) -- accepted -- dock
  Rumex X franktonis B. Boivin -- accepted -- Frankton dock
  Rumex X pratensis Mert. & W.D.J. Koch -- accepted
  Sidotheca Reveal -- accepted -- starry puncturebract
  Sidotheca caryophylloides (Parry) Reveal -- accepted -- chickweed starry puncturebract
  Sidotheca emarginata (H.M. Hall) Reveal -- accepted -- whitemargin starry puncturebract
  Sidotheca trilobata (A. Gray) Reveal -- accepted -- threelobe starry puncturebract
  Stenogonum Nutt. -- accepted -- buckwheat
  Stenogonum flexum (M.E. Jones) Reveal & J.T. Howell -- accepted -- bent two-whorl buckwheat, bent twowhorl buckwheat
  Stenogonum salsuginosum Nutt. -- accepted -- salty buckwheat, salty eriogonum, smooth two-whorl buckwheat
  Systenotheca Reveal & Hardham -- accepted -- spineflower
  Systenotheca vortriedei (Brandegee) Reveal & Hardham -- accepted -- Vortriede's spineflower
  Thysanella fimbriata (Elliott) A. Gray -- not accepted
  Thysanella robusta Small -- not accepted
  Tiniaria cilinodis (Michx.) Small -- not accepted
  Tiniaria convolvulus (L.) Webb & Moq. -- not accepted
  Tiniaria cristata (Engelm. & A. Gray) Small -- not accepted
  Tiniaria dumetorum (L.) Opiz -- not accepted
  Tiniaria scandens (L.) Small -- not accepted
  Tovara virginiana (L.) Raf. -- not accepted
  Tovara virginiana var. glaberrima Fernald -- not accepted
  Tracaulon arifolium (L.) Raf. -- not accepted
  Tracaulon sagittatum (L.) Small -- not accepted
  Tracaulon sagittatum var. gracilentum (Fernald) C.F. Reed -- not accepted
  Triplaris Loefl. ex L. -- accepted
  Triplaris cumingiana Fisch. & C.A. Mey. ex C.A. Mey. -- accepted -- ant tree
  Truellum sagittatum (L.) Soják -- not accepted
   

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