The ITIS Logo The Search Results banner for the ITIS Data pages

Taxon author: G.L. Nesom

ITIS records citing taxon author "G.L. Nesom"
 
 Kingdom Plantae
  Ampelaster G.L. Nesom -- accepted -- climbing aster
  Ampelaster carolinianus (Walter) G.L. Nesom -- accepted -- climbing aster
  Arida mattturneri B.L. Turner & G.L. Nesom -- accepted
  Astranthium ciliatum (Raf.) G.L. Nesom -- accepted -- Comanche western-daisy, entireleaf western daisy
  Berlandiera pumila var. scabrella G.L. Nesom & B.L. Turner -- not accepted
  Canadanthus G.L. Nesom -- accepted -- mountain aster
  Canadanthus modestus (Lindl.) G.L. Nesom -- accepted -- giant mountain aster
  Castilleja genevievana G.L. Nesom -- accepted -- Genevieve's Indian paintbrush
  Castilleja subinclusa var. franciscana (Pennell) G.L. Nesom -- not accepted
  Chaetopappa ericoides (Torr.) G.L. Nesom -- accepted -- rose heath, smallflower aster
  Chaetopappa imberbis (A. Gray) G.L. Nesom -- accepted -- awnless leastdaisy
  Chloracantha G.L. Nesom -- accepted -- chloracantha
  Chloracantha spinosa (Benth.) G.L. Nesom -- accepted -- devilweed aster, Mexican devilweed, spiny aster, spiny chloracantha
  Chloracantha spinosa var. spinosa (Benth.) G.L. Nesom -- not accepted
  Chrysogonum virginianum var. brevistolon G.L. Nesom -- accepted
  Chrysopsis texana G.L. Nesom -- not accepted -- Texas chrysopsis
  Columbiadoria G.L. Nesom -- accepted -- columbiadoria
  Columbiadoria hallii (A. Gray) G.L. Nesom -- accepted -- Hall's columbiadoria
  Ericameria compacta (H.M. Hall) G.L. Nesom -- accepted -- Charleston Mountain goldenbush, Spring Mountains goldenbush
  Ericameria crispa (L.C. Anderson) G.L. Nesom -- accepted -- crisped goldenbush
  Ericameria discoidea (Nutt.) G.L. Nesom -- accepted -- whitestem goldenbush
  Ericameria discoidea var. discoidea (Nutt.) G.L. Nesom -- accepted -- discoid goldenbush, whitestem goldenbush
  Ericameria discoidea var. linearis (Rydb.) G.L. Nesom -- not accepted -- whitestem goldenbush
  Ericameria gilmanii (S.F. Blake) G.L. Nesom -- accepted -- whiteflower goldenbush
  Ericameria greenei (A. Gray) G.L. Nesom -- accepted -- Greene's goldenbush, slender goldenrod
  Ericameria lignumviridis (S.L. Welsh) G.L. Nesom -- accepted -- Greenwood's goldenbush
  Ericameria nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- accepted -- goldenbush, rubber rabbitbrush
  Ericameria nauseosa ssp. consimilis (Greene) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa ssp. consimilis var. arenaria (L.C. Anderson) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. consimilis var. ceruminosa (Durand & Hilg.) G.L. Nesom & Baird -- not accepted -- threadleaf rabbitbrush
  Ericameria nauseosa ssp. consimilis var. juncea (Greene) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. consimilis var. leiosperma (A. Gray) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. consimilis var. mohavensis (Greene) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. consimilis var. nitida (L.C. Anderson) G.L. Nesom & Baird -- not accepted -- nitid rubber rabbitbrush
  Ericameria nauseosa ssp. consimilis var. oreophila (A. Nelson) G.L. Nesom & Baird -- not accepted -- threadleaf rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa var. bernardina (H.M. Hall) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. bigelovii (A. Gray) G.L. Nesom & Baird -- not accepted -- Bigelow rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa var. glabrata (A. Gray) G.L. Nesom & Baird -- not accepted -- green rubber rabbitbrush, rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa var. glareosa (M.E. Jones) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. hololeuca (A. Gray) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. iridis (L.C. Anderson) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. latisquamea (A. Gray) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. nana (Cronquist) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- not accepted -- rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa var. psilocarpa (S.F. Blake) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. salicifolia (Rydb.) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. speciosa (Nutt.) G.L. Nesom & Baird -- not accepted -- gray rubber rabbitbrush
  Ericameria nauseosa ssp. nauseosa var. texensis (L.C. Anderson) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa ssp. nauseosa var. washoensis (L.C. Anderson) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa var. arenaria (L.C. Anderson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. arta (A. Nelson) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa var. bernardina (H.M. Hall) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. bigelovii (A. Gray) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. ceruminosa (Durand & Hilg.) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. glabrata (A. Gray) G.L. Nesom & Baird -- not accepted -- rubber rabbitbrush
  Ericameria nauseosa var. glareosa (M.E. Jones) G.L. Nesom & Baird -- not accepted -- rubber rabbitbrush
  Ericameria nauseosa var. hololeuca (A. Gray) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. iridis (L.C. Anderson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. juncea (Greene) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. latisquamea (A. Gray) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. leiosperma (A. Gray) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. mohavensis (Greene) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. nana (Cronquist) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. nauseosa (Pall. ex Pursh) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. nitida (L.C. Anderson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. oreophila (A. Nelson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. psilocarpa (S.F. Blake) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. salicifolia (Rydb.) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. speciosa (Nutt.) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. texensis (L.C. Anderson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. turbinata (M.E. Jones) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria nauseosa var. washoensis (L.C. Anderson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria obovata (Rydb.) G.L. Nesom -- accepted -- Rydberg's goldenbush
  Ericameria ophitidis (J.T. Howell) G.L. Nesom -- accepted -- serpentine goldenbush
  Ericameria palmeri var. pachylepis (H.M. Hall) G.L. Nesom -- accepted -- Palmer's rabbitbrush
  Ericameria parryi (A. Gray) G.L. Nesom & Baird -- accepted -- Parry's goldenbush, Parry's rabbitbrush
  Ericameria parryi var. affinis (A. Nelson) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. aspera (Greene) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. aspra (Greene) G.L. Nesom & Baird -- not accepted
  Ericameria parryi var. attenuata (M.E. Jones) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. howardii (Parry ex A. Gray) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. imula (H.M. Hall & Clem.) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. latior (H.M. Hall & Clem.) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. monocephala (A. Nelson & Kennedy) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. montana (L.C. Anderson) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. nevadensis (A. Gray) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. parryi (A. Gray) G.L. Nesom & Baird -- accepted -- green rabbitbrush, Parry's rabbitbrush
  Ericameria parryi var. salmonensis (L.C. Anderson) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. vulcanica (Greene) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria suffruticosa (Nutt.) G.L. Nesom -- accepted -- bighead goldenbush, single-head heath-goldenrod, singlehead goldenbush
  Ericameria watsonii (A. Gray) G.L. Nesom -- accepted -- Watson's goldenbush, Watson's heath-goldenrod
  Ericameria X bolanderi (A. Gray) G.L. Nesom & Baird -- accepted
  Ericameria X uintahensis (L.C. Anderson) G.L. Nesom & Baird -- accepted -- Uinta rubber rabbitbrush
  Ericameria X viscosa (D.D. Keck) G.L. Nesom & Baird -- accepted
  Ericameria zionis (L.C. Anderson) G.L. Nesom -- accepted -- subalpine goldenbush
  Erigeron anchana G.L. Nesom -- accepted -- Sierra Ancha fleabane
  Erigeron arisolius G.L. Nesom -- accepted -- arid throne fleabane
  Erigeron bellidiastrum var. arenarius (Greene) G.L. Nesom -- accepted -- sandwort daisy fleabane
  Erigeron bistiensis G.L. Nesom & Hevron -- not accepted -- Ojo Alamo fleabane
  Erigeron breweri var. bisanctus G.L. Nesom -- accepted -- Brewer's erigeron
  Erigeron breweri var. covillei (Greene) G.L. Nesom -- accepted -- Coville's erigeron
  Erigeron breweri var. klamathensis G.L. Nesom -- not accepted -- Klamath erigeron
  Erigeron chrysopsidis var. austiniae (Greene) G.L. Nesom -- accepted -- sagebrush fleabane
  Erigeron clokeyi var. pinzliae G.L. Nesom -- accepted -- Clokey's fleabane
  Erigeron concinnus var. subglaber (Cronquist) G.L. Nesom -- accepted -- Lake Powell fleabane, Navajo fleabane
  Erigeron davisii (Cronquist) G.L. Nesom -- accepted -- Davis' fleabane
  Erigeron eatonii var. nevadincola (S.F. Blake) G.L. Nesom -- accepted -- Eaton's fleabane
  Erigeron eatonii var. sonnei (Greene) G.L. Nesom -- accepted -- Eaton's fleabane
  Erigeron foliosus var. franciscensis G.L. Nesom -- accepted -- Franciscan erigeron
  Erigeron foliosus var. mendocinus (Greene) G.L. Nesom -- accepted -- Mendocino erigeron
  Erigeron glacialis var. hirsutus (Cronquist) G.L. Nesom -- accepted -- subalpine fleabane
  Erigeron greenei G.L. Nesom -- accepted -- serpentine fleabane
  Erigeron heliographis G.L. Nesom -- accepted -- Heliograph Peak fleabane
  Erigeron hessii G.L. Nesom -- accepted -- Hess' fleabane
  Erigeron inornatus var. calidipetris G.L. Nesom -- accepted -- California rayless fleabane
  Erigeron inornatus var. keilii G.L. Nesom -- accepted -- Keil's erigeron
  Erigeron klamathensis (G.L. Nesom) G.L. Nesom -- accepted -- Klamath erigeron, MacDougal's yellowtops
  Erigeron lackschewitzii G.L. Nesom & W.A. Weber -- accepted -- Lackschewitz's fleabane
  Erigeron maniopotamicus G.L. Nesom & T.W. Nelson -- accepted
  Erigeron petrophilus var. sierrensis G.L. Nesom -- accepted -- Sierra erigeron
  Erigeron petrophilus var. viscidulus (A. Gray) G.L. Nesom -- accepted -- rockloving erigeron
  Erigeron piscaticus G.L. Nesom -- accepted -- Fish Creek fleabane
  Erigeron poliospermus var. disciformis (Cronquist) G.L. Nesom -- accepted
  Erigeron porsildii G.L. Nesom & D.F. Murray -- accepted -- largeflower fleabane
  Erigeron procumbens (Houst. ex Mill.) G.L. Nesom -- accepted -- Corpus Christi fleabane
  Erigeron proselyticus G.L. Nesom -- not accepted -- professor's fleabane
  Erigeron reductus (Cronquist) G.L. Nesom -- accepted -- lesser California rayless fleabane
  Erigeron reductus var. angustatus (A. Gray) G.L. Nesom -- accepted -- lesser California rayless fleabane
  Erigeron reductus var. reductus (Cronquist) G.L. Nesom -- accepted -- lesser California rayless fleabane
  Erigeron robustior (Cronquist) G.L. Nesom -- accepted -- white cushion fleabane, Willamette fleabane
  Erigeron rybius G.L. Nesom -- accepted -- royal fleabane
  Erigeron salmonensis S.J. Brunsfeld & G.L. Nesom -- accepted -- Salmon River fleabane
  Erigeron saxatilis G.L. Nesom -- accepted -- rock fleabane
  Erigeron sceptrifer G.L. Nesom -- accepted -- scepterbearing fleabane
  Erigeron scopulinus G.L. Nesom & Roth -- accepted -- Winn Falls fleabane
  Erigeron serpentinus G.L. Nesom -- accepted -- serpentine erigeron
  Erigeron sivinskii G.L. Nesom -- accepted -- Sivinsk's erigeron
  Erigeron versicolor (Greenm.) G.L. Nesom -- accepted -- changing fleabane
  Erigeron vicinus G.L. Nesom -- accepted -- neighbor fleabane
  Eriogonum multiflorum var. riograndis (G.L. Nesom) Reveal -- accepted -- Rio Grande buckwheat
  Eucephalus breweri (A. Gray) G.L. Nesom -- accepted -- Brewer's aster
  Eucephalus brickellioides (Greene) G.L. Nesom -- not accepted -- brickellbush aster
  Eucephalus ledophyllus var. covillei (Greene) G.L. Nesom -- accepted -- Cascade aster
  Eurybia avita (Alexander) G.L. Nesom -- accepted -- Alexander's rock aster
  Eurybia chapmanii (Torr. & A. Gray) G.L. Nesom -- not accepted -- savannah aster
  Eurybia chlorolepis (Burgess) G.L. Nesom -- accepted -- mountain aster
  Eurybia compacta G.L. Nesom -- accepted -- slender aster
  Eurybia conspicua (Lindl.) G.L. Nesom -- accepted -- eastern showy aster, western showy aster
  Eurybia divaricata (L.) G.L. Nesom -- accepted -- white wood aster
  Eurybia eryngiifolia (Torr. & A. Gray) G.L. Nesom -- accepted -- thistleleaf aster
  Eurybia furcata (Burgess) G.L. Nesom -- accepted -- forked aster
  Eurybia glauca (Nutt.) G.L. Nesom -- not accepted -- gray aster
  Eurybia hemispherica (Alexander) G.L. Nesom -- accepted -- southern prairie aster
  Eurybia horrida (Woot. & Standl.) G.L. Nesom -- not accepted -- horrid herrickia
  Eurybia integrifolia (Nutt.) G.L. Nesom -- accepted -- thickstem aster
  Eurybia jonesiae (Lamboy) G.L. Nesom -- accepted -- Jones' aster
  Eurybia merita (A. Nelson) G.L. Nesom -- accepted -- subalpine aster
  Eurybia mirabilis (Torr. & A. Gray) G.L. Nesom -- accepted -- bouquet aster
  Eurybia paludosa (Aiton) G.L. Nesom -- accepted -- southern swamp aster
  Eurybia pulchra (S.F. Blake) G.L. Nesom -- not accepted -- beautiful aster
  Eurybia pygmaea (Lindl.) G.L. Nesom -- not accepted
  Eurybia radula (Aiton) G.L. Nesom -- accepted -- low rough aster
  Eurybia radulina (A. Gray) G.L. Nesom -- accepted -- roughleaf aster
  Eurybia saxicastellii (J.J.N. Campbell & M. Medley) G.L. Nesom -- accepted -- rockcastle aster
  Eurybia sibirica (L.) G.L. Nesom -- accepted -- arctic aster, Siberian aster
  Eurybia sibirica var. gigantea (Hook.) G.L. Nesom -- not accepted
  Eurybia spectabilis (Aiton) G.L. Nesom -- accepted -- eastern showy aster, western showy aster
  Eurybia spinulosa (Chapm.) G.L. Nesom -- accepted -- Apalachicola aster
  Eurybia surculosa (Michx.) G.L. Nesom -- accepted -- creeping aster
  Eurybia wasatchensis (M.E. Jones) G.L. Nesom -- not accepted -- Wasatch aster
  Eurybia X herveyi (A. Gray) G.L. Nesom -- accepted
  Gamochaeta argyrinea G.L. Nesom -- accepted -- silvery cudweed
  Gamochaeta chionesthes G.L. Nesom -- accepted
  Gamochaeta ustulata (Nutt.) G.L. Nesom -- accepted -- featherweed
  Glandularia X hybrida (Groenland & Rümpler) G.L. Nesom & Pruski -- accepted
  Grindelia adenodonta (Steyerm.) G.L. Nesom -- accepted -- Lonestar gumweed
  Grindelia arizonica var. neomexicana (Woot. & Standl.) G.L. Nesom -- not accepted -- New Mexican gumweed
  Grindelia nuda var. aphanactis (Rydb.) G.L. Nesom -- not accepted -- curlytop gumweed, rayless gumweed
  Grindelia papposa G.L. Nesom & Suh -- not accepted -- Spanish gold, spanishgold, wax goldenweed
  Grindelia pusilla (Steyerm.) G.L. Nesom -- accepted -- little gumweed
  Hedyotis butterwickiae (Terrell) G.L. Nesom -- not accepted -- Butterwick's starviolet
  Hesperodoria salicina (S.F. Blake) G.L. Nesom -- not accepted -- willow glowweed
  Ionactis caelestis Leary & G.L. Nesom -- accepted -- Red Rock Canyon aster, Spring Mountains aster
  Ionactis elegans (Soreng & Spellenb.) G.L. Nesom -- accepted -- Sierra Blanca least-daisy, Sierra Blanca leastdaisy
  Isocoma acradenia var. bracteosa (Greene) G.L. Nesom -- accepted -- alkali goldenbush
  Isocoma acradenia var. eremophila (Greene) G.L. Nesom -- accepted -- alkali goldenbush, goldenweed
  Isocoma azteca G.L. Nesom -- accepted -- Aztec goldenbush
  Isocoma coronopifolia var. pedicellata (Greene) G.L. Nesom -- not accepted -- common jimmyweed
  Isocoma humilis G.L. Nesom -- accepted -- Zion goldenbush
  Isocoma menziesii (Hook. & Arn.) G.L. Nesom -- accepted -- Menzies' goldenbush
  Isocoma menziesii var. decumbens (Greene) G.L. Nesom -- accepted -- Menzies' goldenbush
  Isocoma menziesii var. diabolica G.L. Nesom -- accepted -- Menzies' goldenbush
  Isocoma menziesii var. menziesii (Hook. & Arn.) G.L. Nesom -- accepted -- Menzies' goldenbush
  Isocoma menziesii var. sedoides (Greene) G.L. Nesom -- accepted -- Menzies' goldenbush
  Isocoma menziesii var. vernonioides (Nutt.) G.L. Nesom -- accepted -- Menzies' goldenbush
  Laennecia coulteri (A. Gray) G.L. Nesom -- accepted -- annual horsetail, conyza, Coulter's horseweed
  Laennecia eriophylla (A. Gray) G.L. Nesom -- accepted -- Cochise marshtail
  Laennecia schiedeana (Less.) G.L. Nesom -- accepted -- pineland marshtail
  Laennecia sophiifolia (Kunth) G.L. Nesom -- accepted -- leafy marshtail
  Laennecia turnerorum G.L. Nesom -- accepted -- Turner's marshtail
  Leibnitzia lyrata (D. Don) G.L. Nesom -- not accepted -- Seeman's sunbonnets
  Leibnitzia lyrata (Sch. Bip.) G.L. Nesom -- accepted -- Seeman's sunbonnets
  Leibnitzia seemannii (Sch. Bip.) G.L. Nesom -- not accepted -- Seeman's sunbonnets
  Liatris aestivalis G.L. Nesom & R. O'Kennon -- accepted
  Liatris glandulosa G.L. Nesom & R. O'Kennon -- accepted -- glandular blazing star
  Liatris savannensis Kral & G.L. Nesom -- accepted
  Ludwigia grandiflora ssp. hexapetala (Hook. & Arn.) G.L. Nesom & Kartesz -- not accepted
  Machaeranthera carnosa (A. Gray) G.L. Nesom -- not accepted -- shrubby alkali aster, shrubby alkali tansyaster, shrubby alkaliaster
  Machaeranthera carnosa var. carnosa (A. Gray) G.L. Nesom -- not accepted -- shrubby alkaliaster
  Machaeranthera carnosa var. intricata (A. Gray) G.L. Nesom -- not accepted -- shrubby alkaliaster
  Machaeranthera gypsitherma G.L. Nesom, Vorobik & R.L. Hartm. -- accepted -- La Playa Springs tansyaster
  Oclemena reticulata (Pursh) G.L. Nesom -- accepted -- pine barren whitetop aster, pinebarren whitetop aster
  Oclemena X blakei (Porter) G.L. Nesom -- accepted
  Oligoneuron album (Nutt.) G.L. Nesom -- not accepted -- prairie goldenrod
  Oligoneuron houghtonii (Torr. & A. Gray ex A. Gray) G.L. Nesom -- not accepted -- Houghton's goldenrod
  Oligoneuron rigidum var. glabratum (E.L. Braun) G.L. Nesom -- not accepted -- stiff goldenrod
  Oligoneuron rigidum var. humile (Porter) G.L. Nesom -- not accepted -- hardleaf goldenrod, stiff goldenrod
  Oligoneuron X bernardii (B. Boivin) G.L. Nesom -- not accepted
  Oligoneuron X krotkovii (B. Boivin) G.L. Nesom -- accepted
  Oligoneuron X lutescens (Lindl. ex DC.) G.L. Nesom -- not accepted
  Oreostemma alpigenum var. andersonii (A. Gray) G.L. Nesom -- accepted -- alpine aster, tundra aster
  Oreostemma alpigenum var. haydenii (Porter) G.L. Nesom -- accepted -- alpine aster, tundra aster
  Oreostemma peirsonii (C.W. Sharsmith) G.L. Nesom -- accepted -- Peirson's aster
  Pluchea yucatanensis G.L. Nesom -- accepted -- Yucatan camphorweed
  Polygonella basiramia (Small) G.L. Nesom & V.M. Bates -- accepted -- Florida jointweed, wireweed
  Polygonella robusta (Small) G.L. Nesom & V.M. Bates -- accepted -- largeflower jointweed
  Pseudognaphalium austrotexanum G.L. Nesom -- accepted -- Texas rabbit-tobacco
  Pseudognaphalium micradenium (Weath.) G.L. Nesom -- accepted -- Heller's cudweed
  Pseudognaphalium thermale (E.E. Nelson) G.L. Nesom -- accepted -- Wright's cudweed
  Ptilimnium ahlesii Weakley & G.L. Nesom -- accepted -- coastal mock bishopweed
  Sericocarpus oregonensis var. californicus (Durand) G.L. Nesom -- not accepted -- Oregon whitetop aster
  Solidago juliae G.L. Nesom -- accepted -- Julia's goldenrod
  Symphyotrichum adnatum (Nutt.) G.L. Nesom -- accepted -- scaleleaf aster
  Symphyotrichum anomalum (Engelm. ex Torr. & A. Gray) G.L. Nesom -- accepted -- manyray aster
  Symphyotrichum anticostense (Fernald) G.L. Nesom -- accepted -- Anticosti Island aster
  Symphyotrichum ascendens (Lindl.) G.L. Nesom -- accepted -- western aster
  Symphyotrichum bahamense (Britton) G.L. Nesom -- not accepted -- Bahaman aster
  Symphyotrichum bracei (Britton ex Small) G.L. Nesom -- not accepted -- Brace's aster
  Symphyotrichum bracteolatum auct. non (Nutt.) G.L. Nesom -- not accepted
  Symphyotrichum campestre (Nutt.) G.L. Nesom -- accepted -- western meadow aster
  Symphyotrichum campestre var. bloomeri (Nutt.) G.L. Nesom -- not accepted -- Bloomer's aster
  Symphyotrichum campestre var. campestre (Nutt.) G.L. Nesom -- not accepted -- western meadow aster
  Symphyotrichum chilense (Nees) G.L. Nesom -- accepted -- Pacific aster
  Symphyotrichum chilense var. chilense (Nees) G.L. Nesom -- not accepted -- Pacific aster
  Symphyotrichum chilense var. invenustum (Greene) G.L. Nesom -- not accepted -- Pacific aster
  Symphyotrichum chilense var. medium (Jeps.) G.L. Nesom -- not accepted -- Pacific aster
  Symphyotrichum ciliatum (Ledeb.) G.L. Nesom -- accepted -- rayless alkali aster
  Symphyotrichum ciliolatum var. comatum (Fernald) G.L. Nesom -- not accepted
  Symphyotrichum ciliolatum var. maccallae (Rydb.) G.L. Nesom -- not accepted
  Symphyotrichum ciliolatum var. wilsonii (Rydb.) G.L. Nesom -- not accepted
  Symphyotrichum concolor (L.) G.L. Nesom -- accepted -- eastern silver aster
  Symphyotrichum concolor var. concolor (L.) G.L. Nesom -- accepted -- eastern silvery aster
  Symphyotrichum cordifolium (L.) G.L. Nesom -- accepted -- common blue wood aster
  Symphyotrichum cordifolium var. furbishiae (Fernald) G.L. Nesom -- not accepted
  Symphyotrichum cordifolium var. lanceolatum (Porter) G.L. Nesom -- not accepted
  Symphyotrichum cordifolium var. moratum (Shinners) G.L. Nesom -- not accepted
  Symphyotrichum cordifolium var. polycephalum (Porter) G.L. Nesom -- not accepted
  Symphyotrichum cordifolium var. racemiflorum (Fernald) G.L. Nesom -- not accepted
  Symphyotrichum crenifolium (Fernald) G.L. Nesom -- not accepted
  Symphyotrichum cusickii (A. Gray) G.L. Nesom -- accepted -- Cusick's aster
  Symphyotrichum defoliatum (Parish) G.L. Nesom -- accepted -- San Bernardino aster
  Symphyotrichum depauperatum (Fernald) G.L. Nesom -- accepted -- serpentine aster
  Symphyotrichum divaricatum (Nutt.) G.L. Nesom -- not accepted -- southern annual saltmarsh aster
  Symphyotrichum drummondii (Lindl.) G.L. Nesom -- accepted -- Drummond's aster
  Symphyotrichum drummondii var. drummondii (Lindl.) G.L. Nesom -- accepted -- Drummond's aster
  Symphyotrichum drummondii var. parviceps (Shinners) G.L. Nesom -- not accepted
  Symphyotrichum drummondii var. texanum (E.S. Burgess) G.L. Nesom -- accepted -- Drummond's aster
  Symphyotrichum dumosum (L.) G.L. Nesom -- accepted -- rice button aster
  Symphyotrichum dumosum var. dodgei (Fernald) G.L. Nesom -- not accepted
  Symphyotrichum dumosum var. dumosum (L.) G.L. Nesom -- accepted -- rice button aster
  Symphyotrichum dumosum var. gracilipes (Wiegand) G.L. Nesom -- accepted -- rice button aster
  Symphyotrichum dumosum var. pergracile (Wiegand) G.L. Nesom -- accepted -- rice button aster
  Symphyotrichum dumosum var. strictior (Torr. & A. Gray) G.L. Nesom -- accepted -- rice button aster
  Symphyotrichum dumosum var. subulifolium (Torr. & A. Gray) G.L. Nesom -- accepted -- rice button aster
  Symphyotrichum eatonii (A. Gray) G.L. Nesom -- accepted -- Eaton's aster
  Symphyotrichum elliotii (Torr. & A. Gray) G.L. Nesom -- accepted -- Elliott's aster
  Symphyotrichum ericoides (L.) G.L. Nesom -- accepted -- white heath aster
  Symphyotrichum ericoides var. ericoides (L.) G.L. Nesom -- accepted -- white heath aster
  Symphyotrichum ericoides var. pansum (S.F. Blake) G.L. Nesom -- accepted -- manyflowered aster
  Symphyotrichum ericoides var. prostratum (Kuntze) G.L. Nesom -- not accepted -- white heath aster
  Symphyotrichum ericoides var. stricticaule (Torr. & A. Gray) G.L. Nesom -- not accepted -- white heath aster
  Symphyotrichum eulae (Shinners) G.L. Nesom -- accepted -- Texas aster
  Symphyotrichum expansum (Poepp. ex Spreng.) G.L. Nesom -- not accepted -- southwestern annual saltmarsh aster
  Symphyotrichum falcatum (Lindl.) G.L. Nesom -- accepted -- white prairie aster
  Symphyotrichum falcatum var. commutatum (Torr. & A. Gray) G.L. Nesom -- accepted -- white prairie aster
  Symphyotrichum falcatum var. crassulum (Rydb.) G.L. Nesom -- not accepted -- white prairie aster
  Symphyotrichum falcatum var. falcatum (Lindl.) G.L. Nesom -- accepted -- white prairie aster
  Symphyotrichum fendleri (A. Gray) G.L. Nesom -- accepted -- Fendler's aster
  Symphyotrichum firmum (Nees) G.L. Nesom -- accepted -- glossy-leaved aster
  Symphyotrichum foliaceum (Lindl. ex DC.) G.L. Nesom -- accepted -- alpine leafybract aster
  Symphyotrichum foliaceum var. apricum (A. Gray) G.L. Nesom -- accepted -- alpine leafybract aster
  Symphyotrichum foliaceum var. canbyi (A. Gray) G.L. Nesom -- accepted -- Canby's aster
  Symphyotrichum foliaceum var. foliaceum (Lindl. ex DC.) G.L. Nesom -- accepted -- alpine leafybract aster
  Symphyotrichum foliaceum var. parryi (D.C. Eaton) G.L. Nesom -- accepted -- Parry's aster
  Symphyotrichum fontinale (Alexander) G.L. Nesom -- accepted -- Florida water aster
  Symphyotrichum frondosum (Nutt.) G.L. Nesom -- accepted -- short-rayed alkali aster
  Symphyotrichum georgianum (Alexander) G.L. Nesom -- accepted -- Georgia aster
  Symphyotrichum grandiflorum (L.) G.L. Nesom -- accepted -- largeflower aster
  Symphyotrichum greatae (Parish) G.L. Nesom -- accepted -- Greata's aster
  Symphyotrichum hallii (A. Gray) G.L. Nesom -- accepted -- Hall's aster
  Symphyotrichum hendersonii (Fernald) G.L. Nesom -- accepted -- Lyall aster
  Symphyotrichum jessicae (Piper) G.L. Nesom -- accepted -- Jessica's aster
  Symphyotrichum kralii G.L. Nesom -- accepted -- Kral's aster
  Symphyotrichum laeve var. concinnum (Willd.) G.L. Nesom -- accepted -- smooth blue aster
  Symphyotrichum laeve var. geyeri (A. Gray) G.L. Nesom -- accepted -- Geyer's aster
  Symphyotrichum laeve var. purpuratum (Nees) G.L. Nesom -- accepted -- smooth blue aster
  Symphyotrichum lanceolatum (Willd.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum ssp. hesperium (A. Gray) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum ssp. hesperium var. hesperium (A. Gray) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum ssp. lanceolatum (Willd.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum ssp. lanceolatum var. hirsuticaule (Semple & Chmiel.) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum ssp. lanceolatum var. interior (Wiegand) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum ssp. lanceolatum var. lanceolatum (Willd.) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum ssp. lanceolatum var. latifolium (Semple & Chmiel.) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum var. hesperium (A. Gray) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum var. hesperium (A. Gray) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum var. hirsuiticaule (Semple & Chmiel.) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum var. hirsuticaule (Semple & Chmiel.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum var. interior (Wiegand) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum var. interior (Wiegand) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum var. lanceolatum (Willd.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum var. latifolium (Semple & Chmiel.) G.L. Nesom -- not accepted
  Symphyotrichum lanceolatum var. latifolium (Semple & Chmiel.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lateriflorum var. angustifolium (Wiegand) G.L. Nesom -- accepted -- calico aster
  Symphyotrichum lateriflorum var. flagellare (Shinners) G.L. Nesom -- accepted -- calico aster
  Symphyotrichum lateriflorum var. hirsuticaule (Lindl. ex DC.) G.L. Nesom -- not accepted -- calico aster
  Symphyotrichum lateriflorum var. horizontale (Desf.) G.L. Nesom -- accepted -- calico aster
  Symphyotrichum lateriflorum var. spatelliforme (Burgess) G.L. Nesom -- accepted -- calico aster
  Symphyotrichum lateriflorum var. tenuipes (Wiegand) G.L. Nesom -- accepted -- calico aster
  Symphyotrichum laurentianum (Fernald) G.L. Nesom -- accepted -- Gulf of St. Lawrence aster
  Symphyotrichum lentum (Greene) G.L. Nesom -- accepted -- Suisun Marsh aster
  Symphyotrichum longifolium (Lam.) G.L. Nesom, as to type -- not accepted
  Symphyotrichum longifolium sensu G.L. Nesom non Lam. -- not accepted
  Symphyotrichum lowrieanum (Porter) G.L. Nesom -- not accepted -- Lowrie's blue wood aster
  Symphyotrichum molle (Rydb.) G.L. Nesom -- accepted -- soft aster
  Symphyotrichum novae-angliae (L.) G.L. Nesom -- accepted -- New England aster
  Symphyotrichum novi-belgii (L.) G.L. Nesom -- accepted -- New York aster
  Symphyotrichum novi-belgii var. elodes (Torr. & A. Gray) G.L. Nesom -- accepted -- New York aster
  Symphyotrichum novi-belgii var. litoreum (A. Gray) G.L. Nesom -- not accepted
  Symphyotrichum novi-belgii var. novi-belgii (L.) G.L. Nesom -- accepted -- New York aster
  Symphyotrichum novi-belgii var. tardiflorum (L.) G.L. Nesom -- not accepted
  Symphyotrichum oblongifolium (Nutt.) G.L. Nesom -- accepted -- aromatic aster
  Symphyotrichum ontarione (Wiegand) G.L. Nesom -- not accepted -- bottomland aster
  Symphyotrichum ontarionis (Wiegand) G.L. Nesom -- accepted -- bottomland aster, Ontario aster
  Symphyotrichum ontarionis var. ontarionis (Wiegand) G.L. Nesom -- accepted
  Symphyotrichum oolentangiense (Riddell) G.L. Nesom -- accepted -- skyblue aster
  Symphyotrichum oolentangiense var. oolentangiense (Riddell) G.L. Nesom -- not accepted -- skyblue aster
  Symphyotrichum oolentangiense var. poaceum (Burgess) G.L. Nesom -- not accepted -- skyblue aster
  Symphyotrichum parviceps (E.S. Burgess) G.L. Nesom -- accepted -- smallhead aster
  Symphyotrichum patens (Aiton) G.L. Nesom -- accepted -- late purple aster
  Symphyotrichum patens var. gracile (Hook.) G.L. Nesom -- accepted -- late purple aster
  Symphyotrichum patens var. patens (Aiton) G.L. Nesom -- accepted -- late purple aster
  Symphyotrichum patens var. patentissimum (Lindl. ex DC.) G.L. Nesom -- accepted -- late purple aster
  Symphyotrichum phlogifolium (Muhl. ex Willd.) G.L. Nesom -- accepted -- thinleaf late purple aster
  Symphyotrichum pilosum (Willd.) G.L. Nesom -- accepted -- hairy white oldfield aster
  Symphyotrichum pilosum var. pilosum (Willd.) G.L. Nesom -- accepted -- hairy white oldfield aster
  Symphyotrichum pilosum var. pringlei (A. Gray) G.L. Nesom -- accepted -- Pringle's aster
  Symphyotrichum porteri (A. Gray) G.L. Nesom -- accepted -- smooth white aster
  Symphyotrichum potosinum (A. Gray) G.L. Nesom -- accepted -- Santa Rita Mountain aster
  Symphyotrichum praealtum (Poir.) G.L. Nesom -- accepted -- willowleaf aster
  Symphyotrichum praealtum var. angustior (Wiegand) G.L. Nesom -- not accepted -- willowleaf aster
  Symphyotrichum praealtum var. nebraskense (Britton) G.L. Nesom -- not accepted -- Nebraska aster
  Symphyotrichum praealtum var. praealtum (Poir.) G.L. Nesom -- not accepted -- willowleaf aster
  Symphyotrichum praealtum var. subasperum (Lindl.) G.L. Nesom -- not accepted -- willowleaf aster
  Symphyotrichum praealtum var. texicola (Wiegand) G.L. Nesom -- not accepted
  Symphyotrichum pratense (Raf.) G.L. Nesom -- accepted -- barrens silky aster
  Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L. Nesom -- accepted -- crookedstem aster
  Symphyotrichum priceae (Britton) G.L. Nesom -- accepted -- lavender oldfield aster
  Symphyotrichum puniceum var. calderi (Boivin) G.L. Nesom -- not accepted
  Symphyotrichum puniceum var. scabricaule (Shinners) G.L. Nesom -- accepted -- purplestem aster
  Symphyotrichum racemosum (Elliot) G.L. Nesom -- accepted -- smooth white oldfield aster
  Symphyotrichum racemosum var. subdumosum (Wiegand) G.L. Nesom -- not accepted
  Symphyotrichum retroflexum (Lindl. ex DC.) G.L. Nesom -- accepted -- rigid whitetop aster
  Symphyotrichum sagittifolium (Wedem. ex Willd.) G.L. Nesom -- not accepted
  Symphyotrichum sericeum (Vent.) G.L. Nesom -- accepted -- western silver aster
  Symphyotrichum shortii (Lindl.) G.L. Nesom -- accepted -- Short's aster
  Symphyotrichum simmondsii (Small) G.L. Nesom -- accepted -- Simmonds' aster
  Symphyotrichum spathulatum (Lindl.) G.L. Nesom -- accepted -- western mountain aster
  Symphyotrichum spathulatum var. fremontii (Torr. & A. Gray) G.L. Nesom -- not accepted
  Symphyotrichum spathulatum var. intermedium (A. Gray) G.L. Nesom -- accepted -- larger western mountain aster
  Symphyotrichum spathulatum var. spathulatum (Lindl.) G.L. Nesom -- accepted -- western mountain aster
  Symphyotrichum spathulatum var. yosemitanum (A. Gray) G.L. Nesom -- accepted -- western bog aster
  Symphyotrichum squamatum (Spreng.) G.L. Nesom -- not accepted -- southeastern annual saltmarsh aster
  Symphyotrichum subgeminatum (Fernald) G.L. Nesom -- not accepted
  Symphyotrichum subspicatum (Nees) G.L. Nesom -- accepted -- Douglas aster
  Symphyotrichum subspicatum var. grayi (Suksd.) G.L. Nesom -- not accepted -- Gray's aster
  Symphyotrichum subspicatum var. subspicatum (Nees) G.L. Nesom -- not accepted -- Douglas aster
  Symphyotrichum subulatum (Michx.) G.L. Nesom -- accepted -- eastern annual saltmarsh aster
  Symphyotrichum subulatum var. subulatum (Michx.) G.L. Nesom -- accepted -- eastern annual saltmarsh aster
  Symphyotrichum tenuifolium (L.) G.L. Nesom -- accepted -- perennial saltmarsh aster
  Symphyotrichum tenuifolium var. tenuifolium (L.) G.L. Nesom -- accepted
  Symphyotrichum tradescantii (L.) G.L. Nesom -- accepted -- shore aster
  Symphyotrichum turbinellum (Lindl.) G.L. Nesom -- accepted -- smooth violet prairie aster
  Symphyotrichum undulatum (L.) G.L. Nesom -- accepted -- wavyleaf aster, waxyleaf aster
  Symphyotrichum urophyllum (Lindl.) G.L. Nesom -- accepted -- white arrowleaf aster
  Symphyotrichum vahlii (Gaudich.) G.L. Nesom -- accepted
  Symphyotrichum vahlii var. vahlii (Gaudich.) G.L. Nesom -- accepted
  Symphyotrichum walteri (Alexander) G.L. Nesom -- accepted -- Walter's aster
  Symphyotrichum welshii (Cronquist) G.L. Nesom -- accepted -- Welsh's aster
  Symphyotrichum X amethystinum (Nutt.) G.L. Nesom -- accepted
  Symphyotrichum X batesii (Rydb.) G.L. Nesom -- accepted
  Symphyotrichum X columbianum (Piper) G.L. Nesom -- accepted
  Symphyotrichum X finkii (Rydb.) G.L. Nesom (pro sp.) -- accepted
  Symphyotrichum X gravesii (Burgess) G.L. Nesom -- accepted
  Symphyotrichum X longulum (Sheldon) G.L. Nesom -- accepted
  Symphyotrichum X salignum (Willd.) G.L. Nesom -- accepted
  Symphyotrichum X schistosum (Steele) G.L. Nesom -- accepted
  Symphyotrichum X subgeminatum (Fernald) G.L. Nesom (pro sp.) -- accepted
  Symphyotrichum X versicolor (Willd.) G.L. Nesom -- accepted
  Symphyotrichum X woldenii (Rydb.) G.L. Nesom -- accepted
  Symphyotrichum yukonense (Cronquist) G.L. Nesom -- accepted -- Yukon aster
  Tonestus aberrans (A. Nelson) G.L. Nesom & D. Morgan -- not accepted -- Idaho goldenweed
  Tonestus alpinus (L.C. Anderson & Goodrich) G.L. Nesom & D. Morgan -- not accepted -- alpine goldenbush, alpine serpentweed
  Tonestus graniticus (Tiehm & L.M. Shultz) G.L. Nesom & D. Morgan -- accepted -- granite goldenweed, granite serpentweed
  Tonestus kingii (D.C. Eaton) G.L. Nesom -- not accepted -- King's serpentweed
  Tonestus kingii var. barnebyana (S.L. Welsh & Goodrich) G.L. Nesom -- not accepted -- Barneby's serpentweed
  Tonestus kingii var. kingii (D.C. Eaton) G.L. Nesom -- not accepted -- King's serpentweed
  Tonestus microcephalus (Cronquist) G.L. Nesom & D. Morgan -- not accepted -- smallhead heathgoldenrod
  Tonestus peirsonii (D.D. Keck) G.L. Nesom & D. Morgan -- not accepted -- Peirson's serpentweed
  Trimorpha acris var. asteroides (Andrz. ex Besser) G.L. Nesom -- not accepted
  Trimorpha acris var. debilis (A. Gray) G.L. Nesom -- not accepted
  Trimorpha acris var. kamtschatica (DC.) G.L. Nesom -- not accepted
  Trimorpha elata (Hook.) G.L. Nesom -- not accepted
  Trimorpha lonchophylla (Hook.) G.L. Nesom -- not accepted
  Trimorpha scotteri (B. Boivin) G.L. Nesom -- not accepted
  Xylothamia G.L. Nesom, Suh, D. Morgan & Simpson -- not accepted -- desert goldenrod, xylothamia
  Xylothamia palmeri (A. Gray) G.L. Nesom -- not accepted -- ericameria, Texas desert goldenrod
  Xylothamia palmeri var. pachylepis (H.M. Hall) G.L. Nesom ex M. Lane & R.L. Hartm. -- not accepted
  Xylothamia triantha (S.F. Blake) G.L. Nesom -- not accepted -- Trans-Pecos desert goldenrod
   

A gray bar