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Taxon author: I.M. Johnst.

ITIS records citing taxon author "I.M. Johnst."
 
 Kingdom Plantae
  Allocarya glyptocarpa ssp. modesta (I.M. Johnst.) Abrams -- not accepted
  Alnus rhombifolia var. bernardina Munz & I.M. Johnst. -- not accepted
  Amaranthus arenicola I.M. Johnst. -- accepted -- sandhill amaranth, Torrey's amaranth
  Amaranthus crassipes var. warnockii (I.M. Johnst.) Henrickson -- accepted
  Amaranthus retroflexus var. salicifolius I.M. Johnst. -- not accepted
  Amsinckia hispida auct. non (Ruiz & Pav.) I.M. Johnst. -- not accepted
  Amsinckia scouleri I.M. Johnst. -- not accepted
  Amsinckia spectabilis var. nicolai (Jeps.) I.M. Johnst. ex Munz -- not accepted
  Anulocaulis leiosolenus var. lasianthus I.M. Johnst. -- accepted -- southwestern ringstem
  Anulocaulis reflexus I.M. Johnst. -- accepted -- Texas ringstem
  Argythamnia brandegeei var. intonsa (I.M. Johnst.) J.W. Ingram ex L.C. Wheeler -- not accepted -- Sonoran silverbush
  Aristida dissita I.M. Johnst. -- not accepted
  Aristida pansa f. dissita (I.M. Johnst.) Allred & Valdés-Reyna -- accepted
  Aristida pansa var. dissita (I.M. Johnst.) Beetle -- not accepted -- Wooton's threeawn
  Aristolochia coryi I.M. Johnst. -- accepted -- Cory's dutchman's pipe
  Asclepias eriocarpa var. microcarpa Munz & I.M. Johnst. -- not accepted
  Berberis trifoliata var. glauca (I.M. Johnst.) M.C. Johnst. -- not accepted
  Berberis trifoliolata var. glauca (I.M. Johnst.) M.C. Johnst. ex Laferr. -- not accepted
  Bernardia obovata I.M. Johnst. -- accepted -- desert myrtlecroton
  Bonamia repens (I.M. Johnst.) D.F. Austin & Staples -- accepted -- creeping lady's nightcap
  Brunnera macrophylla (J.F. Adams) I.M. Johnst. -- accepted -- largeleaf brunnera
  Buglossoides arvensis (L.) I.M. Johnst. -- accepted -- corn gromwell, corn-gromwell, field gromwell
  Cercidium macrum I.M. Johnst. -- not accepted
  Cercidium microphyllum (Torr.) Rose & I.M. Johnst. -- not accepted
  Claytonia lanceolata var. peirsonii Munz & I.M. Johnst. -- not accepted -- Peirson's spring beauty
  Cnidoscolus aconitifolius (Mill.) I.M. Johnst. -- accepted -- treadsoftly
  Codonanthe decurrens I.M. Johnst. -- not accepted
  Coldenia canescens var. pulchella I.M. Johnst. -- not accepted
  Coldenia canescens var. subnuda I.M. Johnst. -- not accepted
  Coldenia gossypina (Wooton & Standl.) I.M. Johnst. -- not accepted
  Coldenia hispidissima var. latior I.M. Johnst. -- not accepted
  Coldenia mexicana var. tomentosa (S. Watson) I.M. Johnst. -- not accepted
  Collinsia torreyi var. wrightii (S. Watson) I.M. Johnst. -- accepted -- Wright's blue eyed Mary
  Colubrina californica I.M. Johnst. -- accepted -- California colubrina, Las Animas nakedwood
  Colubrina texensis var. californica (I.M. Johnst.) L.D. Benson -- not accepted
  Condalia globosa I.M. Johnst. -- accepted -- bitter condalia, bitter snakewood
  Condalia globosa var. pubescens I.M. Johnst. -- accepted -- bitter condalia, bitter snakewood
  Condalia velutina I.M. Johnst. -- accepted
  Condalia viridis I.M. Johnst. -- accepted -- green condalia, green snakewood
  Cordia globosa var. humilis (Jacq.) I.M. Johnst. -- not accepted -- curaciao bush
  Cordia polycephala (Lam.) I.M. Johnst. -- not accepted -- black-sage
  Corethrogyne filaginifolia var. pinetorum I.M. Johnst. -- not accepted -- common sandaster
  Croton masonii I.M. Johnst. -- accepted
  Cryptantha abata I.M. Johnst. -- accepted -- abata cryptantha, dent-nut catseye, dentnut cryptantha
  Cryptantha albida (Kunth) I.M. Johnst. -- accepted -- New Mexico catseye, New Mexico cryptantha
  Cryptantha barnebyi I.M. Johnst. -- accepted -- Barneby catseye, oilshale cryptantha
  Cryptantha capitata (Eastw.) I.M. Johnst. -- accepted -- capitate catseye, capitate cryptantha
  Cryptantha circumscissa (Hook. & Arn.) I.M. Johnst. -- accepted -- cushion catseye, cushion cryptantha, matted cryptantha
  Cryptantha circumscissa var. circumscissa (Hook. & Arn.) I.M. Johnst. -- accepted -- cushion catseye, cushion cryptantha
  Cryptantha circumscissa var. genuina I.M. Johnst. -- not accepted
  Cryptantha circumscissa var. hispida (J.F. Macbr.) I.M. Johnst. -- accepted -- cushion catseye, cushion cryptantha
  Cryptantha clevelandii var. dissita (I.M. Johnst.) Jeps. & Hoover -- accepted -- Cleveland's cryptantha
  Cryptantha clevelandii var. florosa I.M. Johnst. -- accepted -- Cleveland's cryptantha
  Cryptantha clokeyi I.M. Johnst. -- accepted -- Clokey's cryptantha
  Cryptantha corollata (I.M. Johnst.) I.M. Johnst. -- accepted -- coast range cryptantha
  Cryptantha coryi I.M. Johnst. -- not accepted
  Cryptantha crassipes I.M. Johnst. -- accepted -- Terlingua Creek cat's-eye, Terlingua Creek catseye, Terlingua Creek cryptantha
  Cryptantha crassisepala var. elachantha I.M. Johnst. -- accepted -- thick-sepal catseye, thicksepal catseye, thicksepal cryptantha
  Cryptantha crymophila I.M. Johnst. -- accepted -- subalpine cryptantha
  Cryptantha ganderi I.M. Johnst. -- accepted -- Gander's cryptantha
  Cryptantha grahamii I.M. Johnst. -- accepted -- fragrant cryptantha, Graham catseye
  Cryptantha hoffmannii I.M. Johnst. -- accepted -- Hoffmann's cryptantha
  Cryptantha hooveri I.M. Johnst. -- accepted -- Hoover's cryptantha
  Cryptantha hypsophila I.M. Johnst. -- not accepted
  Cryptantha inaequata I.M. Johnst. -- not accepted
  Cryptantha jamesii var. setosa (M.E. Jones) I.M. Johnst. ex Tidestr. -- not accepted
  Cryptantha mariposae I.M. Johnst. -- accepted -- Mariposa cryptantha
  Cryptantha maritima var. pilosa I.M. Johnst. -- accepted -- Guadalupe catseye, Guadalupe cryptantha
  Cryptantha mexicana (Brandegee) I.M. Johnst. -- accepted -- Mexican catseye, Mexican cryptantha
  Cryptantha micrantha (Torr.) I.M. Johnst. -- accepted -- purpleroot pick-me-not, redroot catseye, redroot cryptantha
  Cryptantha micrantha var. lepida (A. Gray) I.M. Johnst. -- accepted -- redroot cryptantha
  Cryptantha micrantha var. micrantha (Torr.) I.M. Johnst. -- accepted -- redroot catseye, redroot cryptantha
  Cryptantha milo-bakeri I.M. Johnst. -- accepted -- Milo Baker's cryptantha
  Cryptantha milobakeri I.M. Johnst. -- not accepted
  Cryptantha muricata var. clokeyi (I.M. Johnst.) Jeps. -- not accepted -- Clokey's catseye
  Cryptantha muricata var. denticulata (Greene) I.M. Johnst. -- not accepted -- pointed catseye, pointed cryptantha
  Cryptantha muricata var. jonesii (A. Gray) I.M. Johnst. -- not accepted -- Jones' catseye, Jones' cryptantha
  Cryptantha nevadensis var. rigida I.M. Johnst. -- accepted -- Nevada catseye, Nevada cryptantha
  Cryptantha paysonii (J.F. Macbr.) I.M. Johnst. -- accepted -- Payson's catseye, Payson's cryptantha
  Cryptantha pterocarya var. stenoloba I.M. Johnst. -- accepted -- wingnut catseye, wingnut cryptantha
  Cryptantha rollinsii I.M. Johnst. -- accepted -- Rollins' cryptantha
  Cryptantha rostellata var. spithamea (I.M. Johnst.) Jeps. -- not accepted
  Cryptantha subretusa I.M. Johnst. -- not accepted
  Cryptantha thompsonii I.M. Johnst. -- accepted -- Thompson's cryptantha
  Cryptantha torreyana var. pumila (A. Heller) I.M. Johnst. -- not accepted
  Cryptantha traskiae I.M. Johnst. -- accepted -- Trask's cryptantha
  Cryptantha weberi I.M. Johnst. -- accepted -- Weber's catseye, Weber's cryptantha
  Cuscuta nevadensis I.M. Johnst. -- accepted
  Cyperus dioicus I.M. Johnst. -- accepted -- flatsedge
  Cyphomeris gypsophiloides var. stewartii I.M. Johnst. -- not accepted
  Dasylirion heteracanthium I.M. Johnst. -- not accepted
  Dasylirion heteracanthum I.M. Johnst. -- not accepted -- Trans-Pecos sotol
  Dasynotus I.M. Johnst. -- accepted -- whitethroat
  Dasynotus daubenmirei I.M. Johnst. -- accepted -- Rocky Mountain whitethroat
  Ditaxis brandegeei var. intonsa I.M. Johnst. -- not accepted -- Sonoran silverbush
  Draba corrugata var. saxosa (Davidson) Munz & I.M. Johnst. -- not accepted -- Southern California draba
  Draba jaegeri Munz & I.M. Johnst. -- accepted -- Jaeger's draba
  Echidiocarya californica ssp. fulvescens (I.M. Johnst.) Abrams -- not accepted
  Echidiocarya californica ssp. gracilis (I.M. Johnst.) Abrams -- not accepted
  Ehretia anacua (Terán & Berland.) I.M. Johnst. -- accepted -- anacua, knockaway, sandpaper-tree, sugarberry
  Eleocharis bernardina Munz & I.M. Johnst. -- accepted
  Eleocharis pauciflora var. bernardina (Munz & I.M. Johnst.) Svenson -- not accepted
  Eleocharis quinqueflora var. bernardina (Munz & I.M. Johnst.) S. González & P.M. Peterson -- not accepted
  Encelia farinosa var. phenicodonta (S.F. Blake) I.M. Johnst. -- not accepted -- goldenhills, purple brittlebush
  Eriogonum fasciculatum ssp. flavoviride (Munz & I.M. Johnst.) S. Stokes -- not accepted
  Eriogonum fasciculatum var. flavoviride Munz & I.M. Johnst. -- accepted -- Eastern Mojave buckwheat
  Eriogonum inflatum var. deflatum I.M. Johnst. -- not accepted -- desert trumpet
  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 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 plumatella var. jaegeri (Munz & I.M. Johnst.) S. Stokes ex Munz -- not accepted
  Eriogonum umbellatum ssp. minus (I.M. Johnst.) Munz -- not accepted
  Eriogonum umbellatum var. minus I.M. Johnst. -- accepted -- alpine sulfur-flowered wild buckwheat, alpine sulphur-flower buckwheat
  Eriophyllum mohavense (I.M. Johnst.) Jeps. -- accepted -- Mojave woolly sunflower
  Eritrichium elongatum var. aretioides (Cham.) I.M. Johnst. -- not accepted
  Eritrichium nanum var. argenteum (Wight) I.M. Johnst. -- accepted -- arctic alpine forget-me-not
  Euphorbia anthonyi var. clarionensis (Brandegee) I.M. Johnst. -- not accepted
  Euphorbia ceroderma I.M. Johnst. -- accepted
  Euphorbia chamberlinii I.M. Johnst. -- accepted
  Euphorbia dentosa I.M. Johnst. -- accepted
  Euphorbia hinkleyorum I.M. Johnst. -- accepted
  Euphorbia pediculifera var. involuta (Millsp.) I.M. Johnst. -- not accepted
  Euphorbia peninsularis I.M. Johnst. -- accepted
  Euphorbia podagrica I.M. Johnst. -- not accepted
  Euphorbia polycarpa var. petrina (S. Watson) I.M. Johnst. -- not accepted
  Fendlera rigida I.M. Johnst. -- not accepted -- stiff fendlerbush
  Fitzroya cupressoides (Molina) I.M. Johnst. -- accepted -- alerce, Chilean false larch, Patagonian cypress
  Fouquieria diguetii (Tiegh.) I.M. Johnst. -- accepted -- Adam's tree
  Frankenia salina (Molina) I.M. Johnst. -- accepted -- alkali seaheath, alkali-heath
  Fritillaria atropurpurea var. pinetorum (Davidson) I.M. Johnst. -- not accepted
  Fuchsia andrei I.M. Johnst. -- accepted -- Andre's fuchsia
  Galium angustifolium ssp. gabrielense (Munz & I.M. Johnst.) Dempster & Stebbins -- accepted -- San Antoinio Canyon bedstraw
  Galium angustifolium var. pinetorum Munz & I.M. Johnst. -- not accepted
  Galium gabrielense Munz & I.M. Johnst. -- not accepted
  Galium hallii Munz & I.M. Johnst. -- accepted -- Hall's bedstraw
  Gamochaeta stagnalis (I.M. Johnst.) Anderb. -- accepted -- desert cudweed
  Genistidium I.M. Johnst. -- accepted -- brushpea
  Genistidium dumosum I.M. Johnst. -- accepted -- brushpea, bush-pea
  Geophila repens (L.) I.M. Johnst. -- accepted -- corrida yerba de guava
  Gilia calothrysa I.M. Johnst. -- not accepted
  Gilia inyoensis I.M. Johnst. -- not accepted -- Inyo gilia
  Gilia stewartii I.M. Johnst. -- accepted -- Stewart's gilia
  Hackelia arida (Piper) I.M. Johnst. -- not accepted
  Hackelia bella (J.F. Macbr.) I.M. Johnst. -- accepted -- greater showy stickseed
  Hackelia californica (A. Gray) I.M. Johnst. -- accepted -- California stickseed
  Hackelia ciliata (Douglas ex Lehm.) I.M. Johnst. -- accepted -- Okanogan stickseed
  Hackelia cinerea (Piper) I.M. Johnst. -- accepted -- gray stickseed
  Hackelia deflexa var. americana (A. Gray) Fernald & I.M. Johnst. -- accepted -- American stickseed, nodding stickseed
  Hackelia diffusa (Lehm.) I.M. Johnst. -- accepted -- spreading stickseed
  Hackelia diffusa var. caerulescens (Rydb.) I.M. Johnst. -- not accepted
  Hackelia diffusa var. diffusa (Lehm.) I.M. Johnst. -- accepted -- spreading stickseed
  Hackelia floribunda (Lehm.) I.M. Johnst. -- accepted -- manyflower stickseed, manyflowered stickseed, showy stickseed
  Hackelia gracilenta (Eastw.) I.M. Johnst. -- accepted -- Mesa Verde stickseed
  Hackelia grisea (Wooton & Standl.) I.M. Johnst. -- not accepted
  Hackelia hirsuta (Wooton & Standl.) I.M. Johnst. -- accepted -- New Mexico stickseed
  Hackelia hispida (A. Gray) I.M. Johnst. -- accepted -- showy stickseed
  Hackelia hispida var. hispida (A. Gray) I.M. Johnst. -- accepted -- showy stickseed
  Hackelia leptophylla (Rydb.) I.M. Johnst. -- not accepted
  Hackelia longituba I.M. Johnst. -- not accepted
  Hackelia nervosa (Kellogg) I.M. Johnst. -- accepted -- Sierra stickseed, Sierran stickseed
  Hackelia patens (Nutt.) I.M. Johnst. -- accepted -- common stickseed, spotted stickseed
  Hackelia patens var. patens (Nutt.) I.M. Johnst. -- accepted -- spotted stickseed
  Hackelia pinetorum (Greene ex A. Gray) I.M. Johnst. -- accepted -- Livermore stickseed
  Hackelia pinetorum var. pinetorum (Greene ex A. Gray) I.M. Johnst. -- accepted -- Livermore stickseed
  Hackelia setosa (Piper) I.M. Johnst. -- accepted -- bristly stickseed
  Hackelia sharsmithii I.M. Johnst. -- accepted -- Sharsmith's stickseed, Sierra stickseed
  Hackelia ursina (Greene ex A. Gray) I.M. Johnst. -- accepted -- Chihuahuan stickseed
  Hackelia ursina var. ursina (Greene ex A. Gray) I.M. Johnst. -- accepted -- Chihuahuan stickseed
  Hackelia velutina (Piper) I.M. Johnst. -- accepted -- velvet stickseed, velvety stickseed
  Hackelia virginiana (L.) I.M. Johnst. -- accepted -- beggar's-lice, hackélie de Virginie, sticktight, virginia stickseed
  Halliophytum fasciculatum (S. Watson) I.M. Johnst. -- not accepted
  Halliophytum hallii (Brandegee) I.M. Johnst. -- not accepted
  Hamatocactus bicolor (Terán & Berland.) I.M. Johnst. -- not accepted
  Haploesthes greggii var. texana (J.M. Coult.) I.M. Johnst. -- accepted -- Texas false broomweed, Texas falsebroomweed
  Haplopappus gooddingii (A. Nelson) Munz & I.M. Johnst. -- not accepted
  Harpagonella palmeri var. arizonica I.M. Johnst. -- accepted -- Arizona grapplinghook
  Heliotropium convolvulaceum var. californicum (Greene) I.M. Johnst. -- not accepted -- phlox heliotrope
  Heliotropium convolvulaceum var. racemosum (Rose & Standl.) I.M. Johnst. -- not accepted
  Heliotropium curassavicum var. oculatum (A. Heller) I.M. Johnst. -- accepted -- seaside heliotrope
  Heliotropium molle (Torr.) I.M. Johnst. -- accepted -- soft heliotrope
  Heliotropium texanum I.M. Johnst. -- accepted -- Texas heliotrope
  Heliotropium torreyi I.M. Johnst. -- accepted -- slimleaf heliotrope
  Hosackia argophylla var. decora I.M. Johnst. -- not accepted
  Hymenopappus filifolius var. cinereus (Rydb.) I.M. Johnst. -- accepted -- fine-leaf woollywhite, fineleaf hymenopappus
  Hymenopappus filifolius var. pauciflorus (I.M. Johnst.) B.L. Turner -- accepted -- fineleaf hymenopappus
  Hymenopappus flavomarginatus I.M. Johnst. -- accepted
  Hymenopappus newberryi (A. Gray) I.M. Johnst. -- accepted -- Newberry's hymenopappus, Newberry's woollywhite
  Hymenopappus pauciflorus I.M. Johnst. -- not accepted
  Ivesia jaegeri Munz & I.M. Johnst. -- accepted -- Jaeger's ivesia, Jaeger's mousetail
  Juglans microcarpa var. stewartii (I.M. Johnst.) W. Manning -- not accepted -- Stewart's little walnut
  Keckiella ternata ssp. septentrionalis (Munz & I.M. Johnst.) Straw -- accepted -- scarlet keckiella
  Keckiella ternata var. septentrionalis (Munz & I.M. Johnst.) N.H. Holmgren -- not accepted
  Lappula redowskii var. desertorum (Greene) I.M. Johnst. -- not accepted
  Leucophyllum candidum I.M. Johnst. -- accepted -- Brewster County barometerbush
  Leucophyllum frutescens (Berland.) I.M. Johnst. -- accepted -- cenizo, Texas barometer bush
  Leucophyllum zygophyllum I.M. Johnst. -- accepted -- cimmeron
  Linanthus inyoensis (I.M. Johnst.) J.M. Porter & L.A. Johnson -- accepted -- Inyo gilia
  Lithospermum calycosum (J.F. Macbr.) I.M. Johnst. -- accepted -- Chinati gromwell, Chinati stoneseed
  Lithospermum confine I.M. Johnst. -- accepted -- Arizona gromwell, Arizona stoneseed
  Lithospermum obtusifolium I.M. Johnst. -- accepted -- roundleaf stoneseed
  Lithospermum parksii I.M. Johnst. -- accepted -- Parks' gromwell, Parks' stoneseed
  Lithospermum parksii var. parksii I.M. Johnst. -- accepted -- Parks' gromwell, Parks' stoneseed
  Lithospermum parksii var. rugulosum I.M. Johnst. -- accepted -- Parks' gromwell, Parks' stoneseed
  Lotus argophyllus ssp. decorus (I.M. Johnst.) Munz -- not accepted
  Lotus argophyllus var. decorus (I.M. Johnst.) Ottley -- not accepted
  Lupinus albicaulis var. elatus (I.M. Johnst.) Jeps. -- not accepted
  Lupinus arizonicus ssp. arizonicus var. barbatulus (Thornb. ex C.P. Sm.) Thornb. ex I.M. Johnst. -- not accepted -- Arizona lupine
  Lupinus arizonicus var. barbatulus (Thornb. ex C.P. Sm.) Thornb. ex I.M. Johnst. -- accepted -- Arizona lupine
  Lupinus elatus I.M. Johnst. -- accepted -- tall silky lupine
  Lupinus formosus var. elatus (I.M. Johnst.) C.P. Sm. -- not accepted
  Lycium richii var. hassei (Greene) I.M. Johnst. -- not accepted
  Macromeria viridiflora var. thurberi (A. Gray) I.M. Johnst. -- not accepted -- Thurber's giant-trumpets
  Mahonia trifoliata var. glauca I.M. Johnst. -- not accepted
  Mahonia trifoliolata var. glauca I.M. Johnst. -- not accepted
  Malacothamnus clementinus (Munz & I.M. Johnst.) Kearney -- accepted -- San Clemente Island bush-mallow
  Malacothrix blairii (Munz & I.M. Johnst.) Munz & I.M. Johnst. -- not accepted
  Malvastrum clementinum Munz & I.M. Johnst. -- not accepted
  Malvastrum fasciculatum var. laxiflorum (A. Gray) Munz & I.M. Johnst. -- not accepted
  Mentzelia hirsutissima var. stenophylla (Urb. & Gilg) I.M. Johnst. -- not accepted -- hairy stickleaf
  Mentzelia involucrata var. megalantha I.M. Johnst. -- accepted -- whitebract blazingstar
  Mentzelia pachyrhiza I.M. Johnst. -- accepted -- Coahuila blazingstar
  Mentzelia tricuspis var. brevicornuta I.M. Johnst. -- not accepted
  Mertensia arizonica var. leonardii (Rydb.) I.M. Johnst. -- not accepted
  Messerschmidia argentea (L. f.) I.M. Johnst. -- not accepted
  Mirabilis glabrifolia (Ortega) I.M. Johnst. -- accepted -- flat-top four o'clock, flattop four o'clock
  Mirabilis rotata (Standl.) I.M. Johnst. -- not accepted
  Monardella lanceolata var. glandulifera I.M. Johnst. -- accepted -- mustang monardella
  Monardella saxicola I.M. Johnst. -- not accepted
  Monardella viridis ssp. saxicola (I.M. Johnst.) Ewan -- accepted -- rock monardella
  Muehlenbeckia hastatula (Sm.) I.M. Johnst. -- not accepted
  Muehlenbeckia hastulata (Sm.) I.M. Johnst. -- accepted -- wirevine
  Muehlenbeckia hastulata var. hastulata (Sm.) I.M. Johnst. -- accepted -- wirevine
  Muhlenbergia abata I.M. Johnst. -- not accepted
  Muhlenbergia marshii I.M. Johnst. -- not accepted
  Muhlenbergia mundula I.M. Johnst. -- not accepted
  Munzothammus blairii (Munz and I.M. Johnst.) P.H. Raven -- not accepted
  Munzothamnus blairii (Munz & I.M. Johnst.) P.H. Raven -- accepted -- Blair's wirelettuce
  Nolina micrantha I.M. Johnst. -- accepted -- chaparral beargrass
  Nolina texana var. compacta (Trel.) I.M. Johnst. -- not accepted
  Oenothera cardiophylla var. splendens Munz & I.M. Johnst. -- not accepted
  Onosmodium molle var. occidentale (Mack.) I.M. Johnst. -- not accepted
  Oreocarya crymophila (I.M. Johnst.) Jeps. & Hoover -- not accepted
  Oreocarya hoffmannii (I.M. Johnst.) Abrams -- not accepted
  Oreocarya rollinsii (I.M. Johnst.) W.A. Weber -- not accepted
  Oreocarya subretusa (I.M. Johnst.) Abrams -- not accepted
  Oreocarya thompsonii (I.M. Johnst.) Abrams -- not accepted
  Oreocarya weberi (I.M. Johnst.) W.A. Weber -- not accepted
  Parkinsonia texana var. macra (I.M. Johnst.) Isely -- accepted -- Texas paloverde
  Pectocarya gracilis var. platycarpa Munz & I.M. Johnst. -- not accepted
  Pectocarya heterocarpa (I.M. Johnst.) I.M. Johnst. -- accepted -- chuckwalla combseed
  Pectocarya linearis ssp. ferocula (I.M. Johnst.) Thorne -- accepted -- sagebrush combseed
  Pectocarya linearis var. ferocula I.M. Johnst. -- not accepted
  Pectocarya linearis var. platycarpa (Munz & I.M. Johnst.) Cronquist -- not accepted
  Pectocarya penicillata var. heterocarpa I.M. Johnst. -- not accepted
  Pectocarya peninsularis I.M. Johnst. -- accepted -- peninsular pectocarya
  Pectocarya platycarpa (Munz & I.M. Johnst.) Munz & I.M. Johnst. -- accepted -- broadfruit combseed, broadnut combseed
  Pectocarya recurvata I.M. Johnst. -- accepted -- combbur, curvenut combseed, recurve combseed
  Pellaea mucronata var. californica (Lemmon) Munz & I.M. Johnst. -- not accepted
  Penstemon californicus (Munz & I.M. Johnst.) D.D. Keck -- accepted -- California penstemon
  Penstemon cleavelandii var. connatus (Munz & I.M. Johnst.) D.D. Keck -- not accepted
  Penstemon clevelandii ssp. connatus (Munz & I.M. Johnst.) D.D. Keck -- not accepted -- San Jacinto beardtongue
  Penstemon clevelandii var. connatus Munz & I.M. Johnst. -- accepted
  Penstemon heterophyllus ssp. australis (Munz & I.M. Johnst.) D.D. Keck -- not accepted -- foothill beardtongue
  Penstemon heterophyllus var. australis Munz & I.M. Johnst. -- accepted -- foothill beardtongue
  Penstemon ternatus ssp. septentrionalis (Munz & I.M. Johnst.) D.D. Keck -- not accepted
  Penstemon X peirsonii Munz & I.M. Johnst. (pro. sp.) -- accepted -- Peirson's penstemon
  Petrogenia I.M. Johnst. -- not accepted
  Petrogenia repens I.M. Johnst. -- not accepted
  Phacelia keckii Munz & I.M. Johnst. -- not accepted
  Phacelia pallida I.M. Johnst. -- accepted -- pale phacelia, pale scorpionweed
  Phacelia patuliflora var. teucriifolia (I.M. Johnst.) Constance -- accepted -- sand phacelia, sand scorpionweed
  Phacelia robusta (J.F. Macbr.) I.M. Johnst. -- accepted -- stout phacelia, stout scorpionweed
  Phacelia suaveolens ssp. keckii (Munz & I.M. Johnst.) Thorne -- accepted -- Keck's phacelia, Santiago Peak phacelia
  Phacelia suaveolens var. keckii (Munz & I.M. Johnst.) J.T. Howell -- not accepted
  Pickeringia montana var. tomentosa (Abrams) I.M. Johnst. -- accepted -- chaparral pea, Montana chaparral pea
  Piptochaetium fimbriatum var. confine I.M. Johnst. -- not accepted
  Plagiobothrys acanthocarpus (Piper) I.M. Johnst. -- accepted -- adobe popcornflower
  Plagiobothrys austiniae (Greene) I.M. Johnst. -- accepted -- Austin's popcornflower
  Plagiobothrys bracteatus (Howell) I.M. Johnst. -- accepted -- bracted popcornflower
  Plagiobothrys bracteatus var. aculeolatus (Piper) I.M. Johnst. -- accepted -- bracted popcornflower
  Plagiobothrys bracteatus var. bracteatus (Howell) I.M. Johnst. -- accepted -- bracted popcornflower
  Plagiobothrys californicus var. fulvescens I.M. Johnst. -- not accepted
  Plagiobothrys californicus var. gracilis I.M. Johnst. -- not accepted
  Plagiobothrys californicus var. ursinus (A. Gray) I.M. Johnst. -- not accepted
  Plagiobothrys chorisianus (Cham.) I.M. Johnst. -- accepted -- artist's popcornflower
  Plagiobothrys chorisianus var. chorisianus (Cham.) I.M. Johnst. -- accepted -- artist's popcornflower
  Plagiobothrys chorisianus var. hickmanii (Greene) I.M. Johnst. -- accepted -- Hickman's popcornflower
  Plagiobothrys cognatus (Greene) I.M. Johnst. -- not accepted
  Plagiobothrys collinus (Phil.) I.M. Johnst. -- accepted -- Cooper's popcornflower
  Plagiobothrys collinus var. fulvescens (I.M. Johnst.) Higgins -- accepted -- Cooper's popcornflower
  Plagiobothrys collinus var. gracilis (I.M. Johnst.) Higgins -- accepted -- Cooper's popcornflower
  Plagiobothrys cusickii (Greene) I.M. Johnst. -- not accepted
  Plagiobothrys diffusus (Greene) I.M. Johnst. -- not accepted -- San Francisco popcornflower
  Plagiobothrys distantiflorus (Piper) I.M. Johnst. ex M. Peck -- accepted -- California popcornflower
  Plagiobothrys figuratus (Piper) I.M. Johnst. ex M. Peck -- accepted -- fragrant popcornflower
  Plagiobothrys figuratus ssp. figuratus (Piper) I.M. Johnst. ex M. Peck -- not accepted -- fragrant popcornflower
  Plagiobothrys figuratus var. figuratus (Piper) I.M. Johnst. ex M. Peck -- accepted -- fragrant popcornflower
  Plagiobothrys fulvus (Hook. & Arn.) I.M. Johnst. -- accepted -- fulvous popcornflower
  Plagiobothrys fulvus var. campestris (Greene) I.M. Johnst. -- accepted -- fulvous popcornflower
  Plagiobothrys fulvus var. fulvus (Hook. & Arn.) I.M. Johnst. -- accepted -- fulvous popcornflower
  Plagiobothrys glaber (A. Gray) I.M. Johnst. -- accepted -- glabrous allocarya, hairless popcornflower
  Plagiobothrys glyptocarpus (Piper) I.M. Johnst. -- accepted -- sculptured popcornflower
  Plagiobothrys glyptocarpus var. glyptocarpus (Piper) I.M. Johnst. -- accepted -- sculptured popcornflower
  Plagiobothrys glyptocarpus var. modestus I.M. Johnst. -- accepted -- Cedar Crest allocarya, sculptured popcornflower
  Plagiobothrys granulatus (Piper) I.M. Johnst. -- not accepted
  Plagiobothrys greenei (A. Gray) I.M. Johnst. -- accepted -- Greene's popcornflower
  Plagiobothrys hirtus (Greene) I.M. Johnst. -- accepted -- rough popcornflower
  Plagiobothrys hirtus var. corallicarpus (Piper) I.M. Johnst. -- not accepted
  Plagiobothrys hirtus var. figuratus (Piper) I.M. Johnst. -- not accepted
  Plagiobothrys hispidulus (Greene) I.M. Johnst. -- accepted -- sleeping popcornflower
  Plagiobothrys humistratus (Greene) I.M. Johnst. -- accepted -- dwarf popcornflower
  Plagiobothrys hystriculus (Piper) I.M. Johnst. -- accepted -- bearded allocarya, bearded popcornflower
  Plagiobothrys infectivus I.M. Johnst. -- accepted -- dye popcornflower
  Plagiobothrys lamprocarpus (Piper) I.M. Johnst. -- accepted -- shinyfruit popcornflower
  Plagiobothrys leptocladus (Greene) I.M. Johnst. -- accepted -- alkali popcornflower, finebranched popcornflower, smoothstem popcornflower
  Plagiobothrys lithocaryus (Greene ex A. Gray) I.M. Johnst. -- accepted -- Mayacamas popcornflower
  Plagiobothrys mollis (A. Gray) I.M. Johnst. -- accepted -- creeping popcornflower, soft popcornflower
  Plagiobothrys mollis var. mollis (A. Gray) I.M. Johnst. -- accepted -- soft popcornflower
  Plagiobothrys mollis var. vestitus (Greene) I.M. Johnst. -- accepted -- Petaluma popcornflower, soft popcornflower
  Plagiobothrys nelsonii (Greene) I.M. Johnst. -- not accepted
  Plagiobothrys orientalis (L.) I.M. Johnst. -- accepted -- Oriental popcornflower
  Plagiobothrys orthocarpus (Greene) I.M. Johnst. -- not accepted
  Plagiobothrys parishii I.M. Johnst. -- accepted -- Parish's popcornflower
  Plagiobothrys reticulatus (Piper) I.M. Johnst. -- accepted -- netted popcornflower
  Plagiobothrys reticulatus var. reticulatus (Piper) I.M. Johnst. -- not accepted -- popcornflower
  Plagiobothrys reticulatus var. rossianorum I.M. Johnst. -- not accepted
  Plagiobothrys salsus (Brandegee) I.M. Johnst. -- accepted -- salty popcornflower
  Plagiobothrys scopulorum (Greene) I.M. Johnst. -- not accepted
  Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. -- accepted -- meadow popcornflower, Scouler's popcornflower
  Plagiobothrys scouleri var. scouleri (Hook. & Arn.) I.M. Johnst. -- not accepted -- Scouler's popcornflower
  Plagiobothrys scriptus (Greene) I.M. Johnst. -- accepted -- scribe allocarya, scribe popcornflower
  Plagiobothrys stipitatus (Greene) I.M. Johnst. -- accepted -- slender popcornflower, stalked popcornflower
  Plagiobothrys stipitatus var. micranthus (Piper) I.M. Johnst. -- accepted -- stalked popcornflower
  Plagiobothrys stipitatus var. stipitatus (Greene) I.M. Johnst. -- accepted -- stalked popcornflower
  Plagiobothrys strictus (Greene) I.M. Johnst. -- accepted -- Calistoga allocarya, Calistoga popcornflower
  Plagiobothrys tener (Greene) I.M. Johnst. -- accepted -- slender popcornflower
  Plagiobothrys tener var. fallax I.M. Johnst. -- not accepted
  Plagiobothrys tener var. subglaber I.M. Johnst. -- accepted -- slender popcornflower
  Plagiobothrys tener var. tener (Greene) I.M. Johnst. -- accepted -- slender popcornflower
  Plagiobothrys torreyi var. diffusus (Greene) I.M. Johnst. -- accepted -- Torrey's popcornflower
  Plagiobothrys trachycarpus (A. Gray) I.M. Johnst. -- accepted -- roughfruit popcornflower
  Plagiobothrys undulatus (Piper) I.M. Johnst. -- accepted
  Portulaca mundula I.M. Johnst. -- not accepted
  Potentilla bolanderi var. parryi (S. Watson) Munz & I.M. Johnst. -- not accepted
  Potentilla jaegeri (Munz & I.M. Johnst.) L.C. Wheeler -- not accepted
  Potentilla rimicola (Munz & I.M. Johnst.) Ertter -- accepted -- cliff cinquefoil
  Potentilla wheeleri var. rimicola Munz & I.M. Johnst. -- not accepted
  Potentilla wilderae (Parish) Munz & I.M. Johnst. -- not accepted
  Puccinellia frigida (Phil.) I.M. Johnst. -- accepted
  Salix taxifolia var. limitanea I.M. Johnst. -- not accepted
  Scopulophila rixfordii (Brandegee) Munz & I.M. Johnst. -- accepted -- Rixford's rockwort, Rixfords' scopulophila
  Setcreasea buckleyi I.M. Johnst. -- not accepted
  Solanum sitiens I.M. Johnst. -- accepted
  Sphaeralcea ambigua ssp. rosacea (Munz & I.M. Johnst.) Kearney -- accepted -- rose globemallow
  Sphaeralcea ambigua var. rosacea (Munz & I.M. Johnst.) Kearney -- not accepted
  Sporobolus airoides ssp. regis (I.M. Johnst.) Wipff & S.D. Jones -- accepted
  Sporobolus regis I.M. Johnst. -- not accepted
  Stephanomeria blairii Munz & I.M. Johnst. -- not accepted -- Blair's wirelettuce
  Stillingia texana I.M. Johnst. -- accepted -- Texas queen's-delight, Texas toothleaf
  Stillingia treculiana (Müll. Arg.) I.M. Johnst. -- accepted -- Trecul's toothleaf
  Streptanthus campestris var. bernardinus (Greene) I.M. Johnst. -- not accepted
  Styrax officinalis var. fulvescens (Eastw.) Munz & I.M. Johnst. -- not accepted -- drug snowbell
  Suaeda conferta (Small) I.M. Johnst. -- accepted -- beach seepweed
  Suaeda duripes I.M. Johnst. -- not accepted -- hardtoe seepweed
  Suaeda nigrescens I.M. Johnst. -- not accepted
  Suaeda nigrescens var. glabra I.M. Johnst. -- not accepted
  Suaeda ramosissima (Standl.) I.M. Johnst. -- not accepted
  Suaeda suffrutescens var. detonsa I.M. Johnst. -- not accepted -- desert seepweed
  Taraxacum californicum Munz & I.M. Johnst. -- accepted -- California dandelion, California taraxacum
  Thelypteris augescens (Link) Munz & I.M. Johnst. -- accepted -- abrupt-tip maiden fern
  Thelypteris augescens var. puberula (Baker) Munz & I.M. Johnst. -- not accepted
  Tidestromia carnosa (Steyerm.) I.M. Johnst. -- accepted -- fleshy honeysweet
  Tidestromia gemmata I.M. Johnst. -- not accepted -- Trans-Pecos honeysweet
  Tiquilia canescens var. pulchella (I.M. Johnst.) A.T. Richardson -- accepted -- woody crinklemat
  Tiquilia latior (I.M. Johnst.) A.T. Richardson -- accepted -- crinklemat, mat tiquilia, matted crinklemat
  Tithymalus hinkleyorum (I.M. Johnst.) Soják -- not accepted
  Tradescantia buckleyi (I.M. Johnst.) D.R. Hunt -- accepted -- Buckley's spiderwort
  Tragia leptophylla (Torr.) I.M. Johnst. -- not accepted -- fineleaf noseburn
  Tridens muticus f. effusus I.M. Johnst. -- accepted
  Wislizenia refracta var. melilotoides (Greene) I.M. Johnst. -- not accepted
  Wislizenia refracta var. palmeri (A. Gray) I.M. Johnst. -- not accepted
   

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