Integrated Taxonomic Information System - Taxon Author Search Results

Expert: John C. Semple

ITIS records citing expert
 
 Kingdom Plantae
  Ammodia oregona Nutt. -- not accepted
  Aster acadiensis Shinners -- not accepted
  Aster adnatus Nutt. -- not accepted -- scaleleaf aster
  Aster adscendens Lindl. -- not accepted
  Aster adsurgens auct. non Greene -- not accepted
  Aster agrostifolius Burgess -- not accepted
  Aster amethystinus Nutt. -- not accepted
  Aster anomalus Engelm. ex Torr. & A. Gray -- not accepted -- manyray aster
  Aster anticostensis Fernald -- not accepted -- aster d'Anticosti
  Aster apricus (A. Gray) Rydb. -- not accepted
  Aster ascendens Lindl. -- not accepted -- Chile aster
  Aster ascendens var. fremontii Torr. & A. Gray -- not accepted
  Aster ascendens var. parryi D.C. Eaton -- not accepted
  Aster ascendens var. yosemitanus A. Gray -- not accepted
  Aster asperifolius E.S. Burgess -- not accepted
  Aster attenuatus auct. non Lindl. ex Hook. -- not accepted
  Aster azureus Lindl. -- not accepted
  Aster azureus var. poaceus (E.S. Burgess) Fernald -- not accepted
  Aster baldwinii Torr. & A. Gray. -- not accepted
  Aster batesii Rydb. -- not accepted
  Aster bellidiflorus Willd. -- not accepted
  Aster bernardinus H.M. Hall -- not accepted
  Aster bloomeri A. Gray -- not accepted
  Aster borealis (Torr. & A. Gray) Prov. -- not accepted -- rush aster
  Aster bracei Britton ex Small -- not accepted -- Brace's aster
  Aster brachyactis S.F. Blake -- not accepted
  Aster brachypholis Small -- not accepted
  Aster bracteolatus auct. non Nutt. -- not accepted -- bract aster
  Aster caerulescens DC. -- not accepted
  Aster calderi Boivin -- not accepted
  Aster campestris Nutt. -- not accepted -- meadow aster
  Aster campestris var. bloomeri (A. Gray) A. Gray -- not accepted -- Bloomer's aster
  Aster campestris var. campestris Nutt. -- not accepted -- western meadow aster
  Aster camptosorus Small -- not accepted
  Aster chapmanii Torr. & A. Gray -- not accepted -- savannah aster
  Aster chilensis Nees -- not accepted -- creeping aster
  Aster chilensis ssp. adscendens (Lindl.) Cronquist -- not accepted
  Aster chilensis ssp. hallii (A. Gray) Cronquist -- not accepted
  Aster chilensis var. chilensis Nees -- not accepted -- creeping aster
  Aster chilensis var. invenustus (Greene) Jeps. -- not accepted -- Pacific aster
  Aster chilensis var. lentus (Greene) Jeps. -- not accepted
  Aster chilensis var. medius Jeps. -- not accepted -- Pacific aster
  Aster chilensis var. sonomensis (Greene) Jeps. -- not accepted
  Aster ciliolatus Lindl. -- not accepted -- Lindley's aster
  Aster ciliolatus var. ciliolatus Lindl. -- not accepted -- Lindley's aster
  Aster ciliolatus var. comatus (Fernald) A.G. Jones -- not accepted -- Lindley's aster
  Aster ciliolatus var. maccallae (Rydb.) A.G. Jones -- not accepted -- MacCall's aster
  Aster ciliolatus var. wilsonii (Rydb.) A.G. Jones -- not accepted -- Wilson's aster
  Aster claviger E.S. Burgess -- not accepted
  Aster coerulescens DC. -- not accepted
  Aster columbianus Piper -- not accepted
  Aster commutatus (Torr. & A. Gray) A. Gray -- not accepted
  Aster commutatus var. crassulus (Rydb.) S.F. Blake -- not accepted
  Aster commutatus var. polycephalus S.F. Blake, non Aster polycephalus Rydb. -- not accepted
  Aster concinnus Willd. -- not accepted
  Aster concolor L. -- not accepted -- eastern silver aster
  Aster concolor var. simulatus (Small) R.W. Long -- not accepted
  Aster conduplicatus Burgess -- not accepted
  Aster continuus Small -- not accepted
  Aster cordalenus L.F. Hend. -- not accepted -- aster
  Aster cordifolius L. -- not accepted -- common blue wood aster
  Aster cordifolius ssp. laevigatus (Porter) A.G. Jones -- not accepted
  Aster cordifolius ssp. sagittifolius (Wedem. ex Willd.) A.G. Jones -- not accepted
  Aster cordifolius var. cordifolius L. -- not accepted -- common blue wood aster
  Aster cordifolius var. furbishiae Fernald -- not accepted -- Furbish's wood aster
  Aster cordifolius var. incisus Britton -- not accepted
  Aster cordifolius var. laevigatus Porter -- not accepted -- common blue wood aster
  Aster cordifolius var. lanceolatus Porter -- not accepted -- common blue wood aster
  Aster cordifolius var. moratus (Shinners) Shinners -- not accepted
  Aster cordifolius var. polycephalus Porter -- not accepted -- manyheaded wood aster
  Aster cordifolius var. racemiflorus Fernald -- not accepted -- raceme wood aster
  Aster cordifolius var. sagittifolius (Wedem. ex Willd.) A.G. Jones -- not accepted -- swordleaf wood aster
  Aster cordineri A. Nelson -- not accepted
  Aster coridifolius Michx. -- not accepted
  Aster corrigiatus E.S. Burgess -- not accepted
  Aster crassulus Rydb. -- not accepted
  Aster crenifolius (Fernald) Cronquist -- not accepted
  Aster crenifolius var. arcuans (Fernald) Cronquist -- not accepted
  Aster curtisii Torr. & A. Gray -- not accepted
  Aster cusickii A. Gray -- not accepted -- Cusick's aster
  Aster cusickii var. lyallii A. Gray -- not accepted
  Aster decemflora Kuntze -- not accepted
  Aster defoliatus Parish -- not accepted -- San Bernardino aster
  Aster delectabilis H.M. Hall -- not accepted
  Aster depauperatus Fernald -- not accepted -- serpentine aster
  Aster depauperatus var. parviceps (Burgess) Fernald -- not accepted
  Aster deserticola J.F. Macbr. -- not accepted
  Aster diabolicus Piper -- not accepted
  Aster diffusus var. thyrsoides A. Gray -- not accepted
  Aster divaricatus (Nutt.) Torr. & A. Gray non L. -- not accepted -- white wood aster, serpentine aster, aster ŕ rameaux étalés
  Aster divaricatus var. sandwicensis A. Gray -- not accepted
  Aster diversifolius Michx. -- not accepted
  Aster douglasii Lindl. -- not accepted
  Aster douglassi Lindl. -- not accepted
  Aster drummondii Lindl. -- not accepted -- Drummond's aster
  Aster drummondii ssp. parviceps (Shinners) A.G. Jones -- not accepted
  Aster drummondii ssp. texanus (E.S. Burgess) A.G. Jones -- not accepted
  Aster drummondii var. drummondii Lindl. -- not accepted -- Drummond's aster
  Aster drummondii var. parviceps (Shinners) A.G. Jones -- not accepted -- Drummond's aster
  Aster drummondii var. texanus (E.S. Burgess) A.G. Jones -- not accepted -- Texas aster
  Aster dumosus L. -- not accepted -- rice button aster
  Aster dumosus var. coridifolius (Michx.) Torr. & A. Gray -- not accepted
  Aster dumosus var. dodgei Fernald -- not accepted -- Dodge's aster
  Aster dumosus var. dumosus L. -- not accepted -- rice button aster
  Aster dumosus var. gracilentus Torr. & A. Gray -- not accepted
  Aster dumosus var. gracilipes Wiegand -- not accepted -- rice button aster
  Aster dumosus var. pergracilis Wiegand -- not accepted -- rice button aster
  Aster dumosus var. strictior Torr. & A. Gray -- not accepted -- rice button aster
  Aster dumosus var. subulifolius Torr. & A. Gray -- not accepted -- rice button aster
  Aster eatonii (A. Gray) Howell -- not accepted -- Eaton's aster
  Aster elegantulus A.E. Porsild -- not accepted
  Aster elliottii Torr. & A. Gray -- not accepted
  Aster elodes Torr. & A. Gray -- not accepted
  Aster eminens Willd. -- not accepted
  Aster ericoides L. -- not accepted -- heath aster, white aster, white heath aster
  Aster ericoides ssp. pansus (S.F. Blake) A.G. Jones -- not accepted
  Aster ericoides var. commutatus (Torr. & A. Gray) B. Boivin -- not accepted
  Aster ericoides var. ericoides L. -- not accepted -- heath aster
  Aster ericoides var. pansus (S.F. Blake) B. Boivin -- not accepted -- manyflowered aster
  Aster ericoides var. parviceps E.S. Burgess -- not accepted
  Aster ericoides var. platyphyllus Torr. & A. Gray -- not accepted
  Aster ericoides var. pringlei A. Gray -- not accepted
  Aster ericoides var. prostratus (Kuntze) S.F. Blake -- not accepted -- prostrate heath aster
  Aster ericoides var. pusillus A. Gray -- not accepted
  Aster ericoides var. stricticaulis (Torr. & A. Gray) F.C. Gates -- not accepted -- white heath aster
  Aster ericoides var. strictus Porter -- not accepted
  Aster ericoides var. villosus (Michx.) Torr. & A. Gray -- not accepted
  Aster eulae Shinners -- not accepted -- aster
  Aster exiguus Rydb. -- not accepted
  Aster exilis Elliot -- not accepted -- slender aster
  Aster exilis var. australis A. Gray -- not accepted
  Aster falcatus Lindl. -- not accepted -- cluster aster
  Aster falcatus ssp. commutatus (Torr. & A. Gray) A.G. Jones -- not accepted
  Aster falcatus var. commutatus (Torr. & A. Gray) A.G. Jones -- not accepted -- cluster aster
  Aster falcatus var. crassulus (Rydb.) Cronquist -- not accepted -- rough white prairie aster
  Aster falcatus var. falcatus Lindl. -- not accepted -- cluster aster
  Aster falcidens Burgess -- not accepted
  Aster faxoni Porter -- not accepted
  Aster faxonii Porter -- not accepted
  Aster fendleri A. Gray -- not accepted -- Fendler's aster
  Aster finkii Rydb. -- not accepted
  Aster finkii var. moratus Shinners -- not accepted
  Aster firmus Nees -- not accepted
  Aster foliaceus Lindl. ex DC. -- not accepted
  Aster foliaceus auct. non Lindl. ex DC. -- not accepted -- alpine leafybract aster
  Aster foliaceus var. apricus A. Gray -- not accepted -- leafybract aster
  Aster foliaceus var. arcuans Fernald -- not accepted
  Aster foliaceus var. burkei A. Gray -- not accepted
  Aster foliaceus var. canbyi A. Gray -- not accepted -- Canby's aster
  Aster foliaceus var. cusickii (A. Gray) Cronquist -- not accepted
  Aster foliaceus var. eatonii A. Gray -- not accepted
  Aster foliaceus var. foliaceus Lindl. ex DC. -- not accepted -- alpine leafybract aster
  Aster foliaceus var. frondeus A. Gray -- not accepted
  Aster foliaceus var. lyallii (A. Gray) Cronquist -- not accepted
  Aster foliaceus var. parryi (D.C. Eaton) A. Gray -- not accepted -- Parry's aster
  Aster foliaceus var. subgeminatus Fernald -- not accepted
  Aster foliaceus var. sublinearis D.C. Eaton & Grisc. -- not accepted
  Aster foliaceus var. subpetiolatus Fernald -- not accepted
  Aster fontinalis Alexander -- not accepted -- Florida water aster
  Aster fragilis auct. non Willd. -- not accepted -- fragilestem aster, aster fragile
  Aster fragilis var. brachypholis (Small) A.G. Jones -- not accepted -- fragilestem aster
  Aster fragilis var. fragilis Willd. -- not accepted -- fairy aster
  Aster fragilis var. subdumosus (Wiegand) A.G. Jones -- not accepted -- fragilestem aster
  Aster franklinianus Rydb. -- not accepted
  Aster fremonti (Torr. & A. Gray) A. Gray -- not accepted
  Aster fremontii (Torr. & A. Gray) A. Gray -- not accepted
  Aster fremontii var. parishii A. Gray -- not accepted
  Aster frondeus (A. Gray) Greene -- not accepted
  Aster frondosus (Nutt.) Torr. & A. Gray -- not accepted
  Aster gaspensis Victorin -- not accepted
  Aster georgianus Alexander -- not accepted -- Georgia aster
  Aster geyeri (A. Gray) Howell -- not accepted
  Aster gracilescens E.S. Burgess -- not accepted
  Aster gracilipes (Wiegand) Alexander -- not accepted
  Aster grandiflorus L. -- not accepted -- largeflower aster
  Aster gravesii Burgess -- not accepted
  Aster grayi Suksd. -- not accepted
  Aster greatae Parish -- not accepted -- Greata's aster
  Aster hallii A. Gray -- not accepted -- Hall's aster
  Aster hendersonii Fernald -- not accepted -- Lyall aster
  Aster hesperius A. Gray -- not accepted
  Aster hesperius var. laetevirens (Greene) Cronquist -- not accepted
  Aster hesperius var. wootonii Greene -- not accepted
  Aster hirsuticaulis Lindl. ex DC. -- not accepted
  Aster hirtellus Lindl. -- not accepted
  Aster horizontalis Desf. -- not accepted
  Aster humilis Willd. -- not accepted
  Aster hybridus var. luteus hort. -- not accepted
  Aster inconspicuus Less. -- not accepted
  Aster infirmus Michx. -- not accepted
  Aster interior Wiegand -- not accepted
  Aster invenustus Greene -- not accepted
  Aster jessicae Piper -- not accepted -- Jessica's aster
  Aster johannensis Fernald -- not accepted
  Aster johannensis var. villicaulis (A. Gray) Fernald -- not accepted
  Aster junceus Aiton -- not accepted
  Aster junceus auct. non Aiton -- not accepted
  Aster junciformis Rydb. -- not accepted
  Aster juniperinus Burgess -- not accepted
  Aster kentuckiensis Britton -- not accepted
  Aster kumleinii Fr. ex A. Gray -- not accepted
  Aster laetevirens Greene -- not accepted
  Aster laevis L. -- not accepted -- smooth aster
  Aster laevis var. concinnus (Willd.) House -- not accepted -- smooth aster
  Aster laevis var. falcatus Farw. -- not accepted
  Aster laevis var. geyeri A. Gray -- not accepted -- Geyer's smooth aster
  Aster laevis var. guadalupensis A.G. Jones -- not accepted
  Aster laevis var. laevis L. -- not accepted -- smooth blue aster
  Aster laevis var. purpuratus (Nees) A.G. Jones -- not accepted -- smooth aster
  Aster lamarckianus Nees -- not accepted
  Aster lanceolatus Willd. -- not accepted -- white panicle aster
  Aster lanceolatus ssp. hesperius (A. Gray) Semple & Chmiel. -- not accepted -- Siskiyou aster
  Aster lanceolatus ssp. interior (Wiegand) A.G. Jones -- not accepted
  Aster lanceolatus ssp. lanceolatus Willd. -- not accepted -- white panicle aster
  Aster lanceolatus ssp. lanceolatus var. hirsuticaulis Semple & Chmiel. -- not accepted
  Aster lanceolatus ssp. lanceolatus var. interior (Wieg.) Semple & Chmiel. -- not accepted
  Aster lanceolatus ssp. lanceolatus var. lanceolatus Willd. -- not accepted
  Aster lanceolatus ssp. simplex (Willd.) A.G. Jones -- not accepted
  Aster lanceolatus var. hirsuticaulis Semple & Chmiel. -- not accepted
  Aster lanceolatus var. interior (Wiegand) A.G. Jones -- not accepted
  Aster lanceolatus var. interior (Wiegand) Semple & Chmiel. -- not accepted
  Aster lanceolatus var. latifolius Semple & Chmiel. -- not accepted -- white panicle aster
  Aster lanceolatus var. simplex (Willd.) A.G. Jones -- not accepted
  Aster lateriflorus (L.) Britton -- not accepted -- calico aster
  Aster lateriflorus var. angustifolius Wiegand -- not accepted -- calico aster
  Aster lateriflorus var. flagellaris Shinners -- not accepted -- calico aster
  Aster lateriflorus var. hirsuticaulis (Lindl. ex DC.) Porter -- not accepted -- calico aster
  Aster lateriflorus var. horizontalis (Desf.) Farw. -- not accepted -- calico aster
  Aster lateriflorus var. indutus Shinners -- not accepted -- farewell summer
  Aster lateriflorus var. lateriflorus (L.) Britt. -- not accepted -- farewell summer
  Aster lateriflorus var. pendulus (Aiton) Burgess -- not accepted
  Aster lateriflorus var. spatelliformis (Burgess) A.G. Jones -- not accepted -- farewell summer
  Aster lateriflorus var. tenuipes Wiegand -- not accepted
  Aster lateriflorus var. thyrsoides (A. Gray) Sheldon -- not accepted
  Aster latissimifolius var. serotinus Kuntze -- not accepted
  Aster laurentianus Fernald -- not accepted -- rayless alkali aster, aster du Saint-Laurent
  Aster laurentianus var. contiguus Fernald -- not accepted
  Aster laurentianus var. laurentianus Fernald -- not accepted
  Aster laurentianus var. magdalenensis Fernald -- not accepted
  Aster laxifolius var. borealis Torr. & A. Gray -- not accepted
  Aster laxus Willd. -- not accepted
  Aster lemmonii A. Gray -- not accepted
  Aster lentus Greene -- not accepted -- Suisun Marsh aster
  Aster lindleyanus Torr. & A. Gray -- not accepted
  Aster linguiformis E.S. Burgess -- not accepted
  Aster longifolius sensu Semple & Heard non Lam. -- not accepted
  Aster longifolius Lam. -- not accepted -- longleaf aster
  Aster longifolius var. villicaulis A. Gray -- not accepted
  Aster longulus Sheldon -- not accepted
  Aster loriformis E.S. Burgess -- not accepted
  Aster lowrieanus Porter -- not accepted
  Aster lowrieanus var. incisus (Britton) Porter -- not accepted
  Aster lowrieanus var. lanceolatus Porter -- not accepted
  Aster lucidulus (A. Gray) Wiegand -- not accepted
  Aster lutescens (Lindl. ex DC.) Torr. & A. Gray -- not accepted
  Aster maccallae Rydb. -- not accepted
  Aster macounii Rydb. -- not accepted
  Aster mearnsii Rydb. -- not accepted
  Aster missouriensis Britton non Kuntze -- not accepted
  Aster missouriensis var. thyrsoides (A. Gray) Wiegand -- not accepted
  Aster mohrii E.S. Burgess -- not accepted
  Aster mollis Rydb. -- not accepted -- soft aster
  Aster multiflorus Aiton -- not accepted
  Aster multiflorus var. commutatus Torr. & A. Gray -- not accepted
  Aster multiflorus var. exiguus Fernald -- not accepted
  Aster multiflorus var. pansus S.F. Blake -- not accepted
  Aster multiflorus var. prostratus Kuntze -- not accepted
  Aster multiflorus var. stricticaulis Torr. & A. Gray -- not accepted
  Aster nahanniensis Cody -- not accepted
  Aster nebraskensis Britton -- not accepted
  Aster neomexicana Woot. & Standl. -- not accepted
  Aster neomexicanus Woot. & Standl. -- not accepted
  Aster novae-angliae L. -- not accepted -- New England aster
  Aster novi-belgii L. -- not accepted -- New Belgium aster
  Aster novi-belgii ssp. johannensis (Fernald) A.G. Jones -- not accepted
  Aster novi-belgii ssp. tardiflorus (L.) A.G. Jones -- not accepted
  Aster novi-belgii var. crenifolius (Fernald) Labrecque & Brouillet -- not accepted
  Aster novi-belgii var. elodes (Torr. & A. Gray) A. Gray -- not accepted -- New Belgium aster
  Aster novi-belgii var. johannensis (Fernald) A.G. Jones -- not accepted -- Johann's aster
  Aster novi-belgii var. litoreus A. Gray -- not accepted -- New Belgium aster
  Aster novi-belgii var. novi-belgii L. -- not accepted -- New Belgium aster
  Aster novi-belgii var. rosaceus Rouss. -- not accepted
  Aster novi-belgii var. tardiflorus (L.) A.G. Jones -- not accepted -- leafybract aster
  Aster novi-belgii var. villicaulis (A. Gray) Boivin -- not accepted -- New Belgium aster
  Aster oblongifolius Nutt. -- not accepted -- aromatic aster
  Aster oblongifolius var. angustatus Shinners -- not accepted
  Aster oblongifolius var. orientis Shinners -- not accepted
  Aster oblongifolius var. rigidulus A. Gray -- not accepted
  Aster occidentalis (Nutt.) Torr. & A. Gray -- not accepted -- western aster
  Aster occidentalis var. delectabilis (H.M. Hall) Ferris -- not accepted -- delectable aster
  Aster occidentalis var. fremontii (Torr. & A. Gray) A.G. Jones -- not accepted -- Fremont's aster
  Aster occidentalis var. intermedius A. Gray -- not accepted -- intermediate aster
  Aster occidentalis var. occidentalis (Nutt.) Torr. & Gray -- not accepted -- western aster
  Aster occidentalis var. parishii (A. Gray) Ferris -- not accepted -- Parish's aster
  Aster occidentalis var. yosemitanus (A. Gray) Cronquist -- not accepted -- Yosemite aster
  Aster ohioensis (Riddell) Kuntze -- not accepted
  Aster ontarionis Wiegand -- not accepted -- Ontario aster
  Aster ontarionis var. glabratus Semple -- not accepted
  Aster oolentangiensis Riddell -- not accepted -- skyblue aster
  Aster oolentangiensis var. laevicaulis (Fernald) A.G. Jones -- not accepted -- skyblue aster
  Aster oolentangiensis var. oolentangiensis Riddell -- not accepted -- skyblue aster
  Aster oolentangiensis var. poaceus (Burgess) A.G. Jones -- not accepted -- skyblue aster
  Aster oregonum (Nutt.) Torr. & A. Gray -- not accepted
  Aster oregonus auct. non (Nutt.) Torr. & A. Gray -- not accepted
  Aster osterhoutii Rydb. -- not accepted
  Aster paludicola Piper -- not accepted
  Aster paludicola var. paludicola Piper -- not accepted
  Aster paniculatus Lam., non Mill. -- not accepted
  Aster paniculatus var. simplex (Willd.) Burgess -- not accepted
  Aster pansus (S.F. Blake) Cronquist -- not accepted
  Aster pantotrichus S.F. Blake -- not accepted
  Aster pantotrichus var. thyrsoides (A. Gray) S.F. Blake -- not accepted
  Aster parviceps (E.S. Burgess) Mack. & Bush -- not accepted -- smallhead aster
  Aster patens Aiton -- not accepted -- late purple aster
  Aster patens var. floridanus R.W. Long -- not accepted
  Aster patens var. georgianus (Alexander) Cronquist -- not accepted
  Aster patens var. gracilis Hook. -- not accepted -- late purple aster
  Aster patens var. patens Aiton -- not accepted -- late purple aster
  Aster patens var. patentissimus (Lindl. ex DC.) Torr. & A. Gray -- not accepted -- late purple aster
  Aster patens var. phlogifolius (Muhl. ex Willd.) Nees -- not accepted
  Aster patentissimus Lindl. ex DC. -- not accepted
  Aster pendulus Aiton -- not accepted
  Aster phlogifolius Muhl. ex Willd. -- not accepted
  Aster phyllodes Rydb. -- not accepted
  Aster phyllolepis Torr. & A. Gray -- not accepted
  Aster pickettianus Suksd. -- not accepted
  Aster pilosus Willd. -- not accepted -- white oldfield aster, white heath aster
  Aster pilosus ssp. parviceps (E.S. Burgess) A.G. Jones -- not accepted
  Aster pilosus var. demotus S.F. Blake -- not accepted -- white oldfield aster
  Aster pilosus var. pilosus Willd. -- not accepted -- white oldfield aster
  Aster pilosus var. platyphyllus (Torr. & A. Gray) S.F. Blake -- not accepted
  Aster pilosus var. priceae (Britton) Cronquist -- not accepted -- white oldfield aster
  Aster pilosus var. pringlei (A. Gray) S.F. Blake -- not accepted -- Pringle's aster
  Aster pilosus var. pusillus (A. Gray) A.G. Jones -- not accepted
  Aster pinifolius Alexander non Nees -- not accepted
  Aster plumarius Burgess -- not accepted
  Aster plumosus Small -- not accepted
  Aster poaceus E.S. Burgess -- not accepted
  Aster polycephalus Rydb. -- not accepted
  Aster polyphyllus Willd. non Moench -- not accepted
  Aster porteri A. Gray -- not accepted -- Porter's aster
  Aster potosinus A. Gray -- not accepted -- Santa Rita Mountain aster
  Aster praealtus Poir. -- not accepted -- willowleaf aster
  Aster praealtus var. angustior Wiegand -- not accepted -- willowleaf aster
  Aster praealtus var. coerulescens (DC.) A.G. Jones -- not accepted -- willowleaf aster
  Aster praealtus var. imbricatior Wiegand -- not accepted -- willowleaf aster
  Aster praealtus var. nebraskensis (Britton) Wiegand -- not accepted -- Nebraska aster
  Aster praealtus var. praealtus Poir. -- not accepted -- willowleaf aster
  Aster praealtus var. subasper (Lindl.) Wiegand -- not accepted -- willowleaf aster
  Aster praealtus var. texicola Wiegand -- not accepted
  Aster pratensis Raf. -- not accepted
  Aster prenanthoides Muhl. ex Willd. -- not accepted -- crookedstem aster
  Aster priceae Britton -- not accepted
  Aster pringlei (A. Gray) Britton -- not accepted
  Aster proteus E.S. Burgess -- not accepted
  Aster ptarmicoides (Nees) Torr. & A. Gray -- not accepted
  Aster ptarmicoides var. georgianus A. Gray -- not accepted
  Aster ptarmicoides var. lutescens (Lindl. ex DC.) A. Gray -- not accepted
  Aster pubentior Cronquist -- not accepted
  Aster puniceus L. -- not accepted -- purplestem aster
  Aster puniceus ssp. elliottii (Torr. & A. Gray) A.G. Jones -- not accepted
  Aster puniceus ssp. firmus (Nees) A.G. Jones -- not accepted
  Aster puniceus var. calderi (B. Boivin) Lepage -- not accepted -- Calder's aster
  Aster puniceus var. calvus Shinners -- not accepted
  Aster puniceus var. compactus Fernald -- not accepted
  Aster puniceus var. demissus Lindl. -- not accepted
  Aster puniceus var. elliottii (Torr. & A. Gray) A.G. Jones -- not accepted -- Elliott's aster
  Aster puniceus var. firmus (Nees) Torr. & A. Gray -- not accepted -- purplestem aster
  Aster puniceus var. lucidulus A. Gray -- not accepted
  Aster puniceus var. oligocephalus Fernald -- not accepted
  Aster puniceus var. perlongus Fernald -- not accepted -- purplestem aster
  Aster puniceus var. puniceus L. -- not accepted -- purplestem aster
  Aster puniceus var. scabricaulis (Shinners) A.G. Jones -- not accepted -- purplestem aster
  Aster purpuratus Nees -- not accepted
  Aster pygmaea Lindl. -- not accepted
  Aster pygmaeus Lindl. -- not accepted
  Aster racemosus Elliot -- not accepted
  Aster ramosissimus auct. non Mill. -- not accepted
  Aster ramulosus Lindl. -- not accepted
  Aster retroflexus Lindl. ex DC. -- not accepted -- rigid aster
  Aster robynsianus Rouss. -- not accepted
  Aster rolandii Shinners -- not accepted
  Aster sagittifolius auct. non Wedem. ex Willd. -- not accepted
  Aster sagittifolius Wedem. ex Willd. -- not accepted
  Aster sagittifolius var. drummondii (Lindl.) Shinners -- not accepted
  Aster sagittifolius var. urophyllus (Lindl.) Burgess -- not accepted
  Aster salicifolius Aiton non Lam. -- not accepted
  Aster salicifolius sensu Willd. non Lam. nec Aiton -- not accepted
  Aster sandwicensis (A. Gray) Hieron. -- not accepted
  Aster saundersii Burgess -- not accepted
  Aster saxatilis (Fernald) Blanch. -- not accepted
  Aster scaber Thunb. -- not accepted
  Aster scabricaulis Shinners -- not accepted
  Aster schistosus Steele -- not accepted
  Aster sericeus Vent. -- not accepted -- western silver aster
  Aster sericeus var. microphyllus DC. -- not accepted -- western silver aster
  Aster sericeus var. sericeus Vent. -- not accepted -- western silver aster
  Aster sericocarpoides (Small) K. Schum. -- not accepted
  Aster shortii Lindl. -- not accepted -- Short's aster
  Aster sibiricus ssp. pygmaeus (Lindl.) A. Löve & D. Löve -- not accepted
  Aster sibiricus var. pygmaeus (Lindl.) W.J. Cody -- not accepted -- pygmy arctic aster
  Aster simmondsii Small -- not accepted -- Simmonds' aster
  Aster simplex Willd. -- not accepted
  Aster simplex var. estuarinus B. Boivin -- not accepted
  Aster simplex var. interior (Wiegand) Cronquist -- not accepted
  Aster simplex var. ramosissimus (Torr. & A. Gray) Cronquist -- not accepted
  Aster simulatus Small -- not accepted
  Aster sonomensis Greene -- not accepted
  Aster spatelliformis Burgess -- not accepted
  Aster spathulatus Lindl. -- not accepted
  Aster squamatus (Spreng.) Hieron. -- not accepted
  Aster squarrosus sensu Walter non All. -- not accepted
  Aster steeleorum Shinners -- not accepted
  Aster stricticaulis (Torr. & A. Gray) Rydb. -- not accepted
  Aster subasper Lindl. -- not accepted
  Aster subgeminatus (Fernald) Boivin -- not accepted -- aster
  Aster subgriseus Rydb. -- not accepted
  Aster subsessilis E.S. Burgess -- not accepted
  Aster subspicatus Nees -- not accepted -- Douglas aster
  Aster subspicatus var. apricus (A. Gray) Boivin -- not accepted
  Aster subspicatus var. grayi (Suksd.) Cronquist -- not accepted -- Gray's aster
  Aster subspicatus var. subspicatus Nees -- not accepted -- leafybract aster
  Aster subulatus Michx. -- not accepted -- annual saltmarsh aster
  Aster subulatus var. australis (A. Gray) Shinners -- not accepted
  Aster subulatus var. cubensis (DC.) Shinners -- not accepted -- annual saltmarsh aster
  Aster subulatus var. elongatus Bosser. ex A.G. Jones & Lowry -- not accepted
  Aster subulatus var. euroauster Fernald & Grisc. -- not accepted -- annual saltmarsh aster
  Aster subulatus var. ligulatus Shinners -- not accepted -- annual saltmarsh aster, slender aster, southern annual saltmarsh aster, panicled aster, saltmarsh aster
  Aster subulatus var. obtusifolius Fernald -- not accepted -- annual saltmarsh aster
  Aster subulatus var. sandwicensis (A. Gray) A.G. Jones -- not accepted -- annual saltmarsh aster
  Aster subulatus var. subulatus Michx. -- not accepted -- annual saltmarsh aster
  Aster sulznerae Small -- not accepted
  Aster sylvestris E.S. Burgess -- not accepted
  Aster tardiflorus L. -- not accepted
  Aster tardiflorus var. vestitus Fernald -- not accepted
  Aster tenuicaulis (C. Mohr) E.S. Burgess -- not accepted
  Aster tenuifolius L. -- not accepted -- saline aster
  Aster tenuifolius var. aphyllus R.W. Long -- not accepted
  Aster tenuifolius var. ramosissimus Torr. & A. Gray -- not accepted
  Aster texanus E.S. Burgess -- not accepted
  Aster texanus var. parviceps Shinners -- not accepted
  Aster torreyi Kuntze -- not accepted
  Aster tradescantii L. -- not accepted
  Aster tradescantii var. saxatilis (Fernald) House -- not accepted
  Aster tradescantii var. thyrsoides (A. Gray) B. Boivin -- not accepted
  Aster triangularis E.S. Burgess -- not accepted
  Aster truellius E.S. Burgess -- not accepted
  Aster turbinellus Lindl. -- not accepted -- smooth violet prairie aster
  Aster tweedyi Rydb. -- not accepted
  Aster uliginosus J.M. Wood & M.S. Evans -- not accepted
  Aster umbellatus Mill. -- not accepted
  Aster umbellatus var. brevisquamis Fernald -- not accepted
  Aster umbellatus var. latifolius A. Gray -- not accepted
  Aster umbellatus var. pubens A. Gray -- not accepted
  Aster umbellatus var. umbellatus P. Mill. -- not accepted -- parasol aster
  Aster undulatus L. -- not accepted -- waxyleaf aster
  Aster undulatus var. asperulus Alph. Wood -- not accepted -- waxyleaf aster
  Aster undulatus var. diversifolius (Michx.) A. Gray -- not accepted
  Aster undulatus var. loriformis E.S. Burgess -- not accepted -- waxyleaf aster
  Aster undulatus var. triangularis E.S. Burgess -- not accepted
  Aster undulatus var. undulatus L. -- not accepted -- waxyleaf aster
  Aster urophyllus Lindl. ex DC. -- not accepted -- white arrow aster
  Aster vahlii (Gaudich.) Hook. & Arn. -- not accepted
  Aster vernalis Engelm. ex E.S. Burgess -- not accepted
  Aster villosus Michx. -- not accepted
  Aster vimineus auct. non Lam. -- not accepted
  Aster vimineus Lam. -- not accepted
  Aster vimineus var. saxatilis Fernald -- not accepted
  Aster vimineus var. subdumosus Wiegand -- not accepted
  Aster virgatus Elliott non Moench -- not accepted
  Aster walteri Alexander -- not accepted -- Walter's aster
  Aster welshii Cronquist -- not accepted
  Aster wilsonii Rydb. -- not accepted
  Aster woldenii Rydb. -- not accepted
  Aster wootonii (Greene) Greene -- not accepted
  Aster X amethystinus Nutt. (pro sp.) -- not accepted -- amethyst aster
  Aster X batesii Rydb. (pro sp.) -- not accepted -- Bates' aster
  Aster X columbianus Piper (pro sp.) -- not accepted -- Columbian aster
  Aster X gravesii Burgess (pro sp.) -- not accepted -- Graves' aster
  Aster X longulus Sheldon (pro sp.) -- not accepted -- aster
  Aster X salignus Willd. -- not accepted
  Aster X schistosus Steele (pro sp.) -- not accepted -- aster
  Aster X tardiflorus L. (pro sp.) -- not accepted
  Aster X versicolor Willd. (pro sp.) -- not accepted
  Aster X woldenii Rydb. (pro sp.) -- not accepted -- Wolden's aster
  Aster yosemitanus (A. Gray) Greene -- not accepted
  Aster yukonensis Cronquist -- not accepted -- Yukon aster
  Asterago lutea (M.L. Green) T.H. Everett -- not accepted
  Brachyactis Ledeb. -- not accepted -- rayless aster
  Brachyactis angusta (Lindl.) Britton -- not accepted
  Brachyactis ciliata (Ledeb.) Ledeb. -- not accepted -- alkali rayless aster
  Brachyactis ciliata ssp. angusta (Lindl.) A.G. Jones -- not accepted -- alkali rayless aster
  Brachyactis ciliata ssp. laurentiana (Fernald) A.G. Jones -- not accepted -- alkali rayless aster
  Brachyactis frondosa (Nutt.) A. Gray -- not accepted -- leafy rayless aster
  Brachychaeta sphacelata (Raf.) Britton -- not accepted
  Chrysopsis adenolepis Fernald -- not accepted
  Chrysopsis alpicola Rydb. -- not accepted
  Chrysopsis alpicola var. glomerata A. Nelson -- not accepted
  Chrysopsis amplifolia Rydb. -- not accepted
  Chrysopsis angustifolia Rydb. -- not accepted
  Chrysopsis arida A. Nelson -- not accepted
  Chrysopsis aspera Shuttlw. ex Small -- not accepted
  Chrysopsis bakeri Greene -- not accepted
  Chrysopsis ballardii Rydb. -- not accepted
  Chrysopsis barbata Rydb. -- not accepted
  Chrysopsis berlandieri Greene -- not accepted
  Chrysopsis bolanderi A. Gray -- not accepted
  Chrysopsis butleri Rydb. -- not accepted
  Chrysopsis californica Elmer -- not accepted
  Chrysopsis camphorata Eastw. -- not accepted
  Chrysopsis camporum Greene -- not accepted
  Chrysopsis camporum var. glandulissimum (Semple) Cronquist -- not accepted
  Chrysopsis canescens (DC.) Torr. & A. Gray non DC. -- not accepted
  Chrysopsis canescens var. nana A. Gray -- not accepted
  Chrysopsis caudata Rydb. -- not accepted
  Chrysopsis columbiana Greene -- not accepted
  Chrysopsis cooperi A. Nelson -- not accepted
  Chrysopsis cryptocephala Woot. & Standl. -- not accepted
  Chrysopsis depressa Rydb. -- not accepted
  Chrysopsis echioides Benth. -- not accepted
  Chrysopsis falcata (Pursh) Elliot -- not accepted
  Chrysopsis fastigiata Greene -- not accepted
  Chrysopsis flexuosa Nash -- not accepted
  Chrysopsis foliosa Nutt. -- not accepted
  Chrysopsis fulcrata Greene -- not accepted
  Chrysopsis graminifolia (Michx.) Elliot -- not accepted
  Chrysopsis graminifolia var. aspera (Shuttlew. ex Small) A. Gray -- not accepted
  Chrysopsis graminifolia var. latifolia Fernald -- not accepted
  Chrysopsis graminifolia var. microcephala (Small) Cronquist -- not accepted
  Chrysopsis hirsutissima Greene -- not accepted
  Chrysopsis hispida (Hook.) DC. -- not accepted
  Chrysopsis hispida var. stenophylla A. Gray -- not accepted
  Chrysopsis horrida Rydb. -- not accepted
  Chrysopsis imbricata A. Nelson -- not accepted
  Chrysopsis jonesii S.F. Blake -- not accepted
  Chrysopsis microcephala Small -- not accepted
  Chrysopsis mollis Nutt. -- not accepted
  Chrysopsis nervosa (Willd.) Fernald -- not accepted
  Chrysopsis nitidula Woot. & Standl. -- not accepted
  Chrysopsis oligantha Chapm. ex Torr. & A. Gray -- not accepted
  Chrysopsis oregona (Nutt.) A. Gray -- not accepted
  Chrysopsis oregona var. compacta D.D. Keck -- not accepted
  Chrysopsis oregona var. rudis (Greene) Jeps. -- not accepted
  Chrysopsis oregona var. scaberrima A. Gray -- not accepted
  Chrysopsis pedunculata Greene -- not accepted
  Chrysopsis pinifolia Elliot -- not accepted
  Chrysopsis pumila Greene -- not accepted
  Chrysopsis resinolens A. Nelson -- not accepted
  Chrysopsis ruthii Small -- not accepted
  Chrysopsis rutteri (Rothr.) Greene -- not accepted
  Chrysopsis scabra (Pursh) Elliot -- not accepted
  Chrysopsis scabrifolia A. Nelson -- not accepted
  Chrysopsis senilis Woot. & Standl. -- not accepted
  Chrysopsis sessiliflora Nutt. -- not accepted
  Chrysopsis sessiliflora var. bolanderi (A. Gray) A. Gray -- not accepted
  Chrysopsis sessiliflora var. echioides (Benth.) A. Gray -- not accepted
  Chrysopsis stenophylla (A. Gray) Greene -- not accepted
  Chrysopsis tracyi Small -- not accepted
  Chrysopsis villosa (Pursh) Nutt. ex DC. -- not accepted
  Chrysopsis villosa var. angustifolia (Rydb.) Cronquist -- not accepted
  Chrysopsis villosa var. bolanderi (A. Gray) A. Gray ex Jeps. -- not accepted
  Chrysopsis villosa var. camphorata (Eastw.) Jeps. -- not accepted
  Chrysopsis villosa var. camporum (Greene) Cronquist -- not accepted
  Chrysopsis villosa var. canescens (DC.) A. Gray -- not accepted
  Chrysopsis villosa var. echioides (Benth.) A. Gray -- not accepted
  Chrysopsis villosa var. fastigiata (Greene) H.M. Hall -- not accepted
  Chrysopsis villosa var. foliosa (Nutt.) D.C. Eaton -- not accepted
  Chrysopsis villosa var. glomerata (A. Nelson) V.L. Harms -- not accepted
  Chrysopsis villosa var. hispida (Hook.) A. Gray -- not accepted
  Chrysopsis villosa var. sessiliflora (Nutt.) A. Gray -- not accepted
  Chrysopsis villosa var. stenophylla (A. Gray) A. Gray -- not accepted
  Chrysopsis villosa var. viscida A. Gray -- not accepted
  Chrysopsis viscida (A. Gray) Greene -- not accepted
  Chrysopsis viscida ssp. cinerascens S.F. Blake -- not accepted
  Chrysopsis wisconsinensis Shinners -- not accepted
  Diplopappus lutescens Lindl. ex DC. -- not accepted
  Doellingeria Nees -- accepted -- whitetop, doellingeria
  Doellingeria humilis (Willd.) Britton -- not accepted
  Doellingeria infirma (Michx.) Greene -- accepted -- cornel-leaf whitetop
  Doellingeria ptarmicoides Nees -- not accepted
  Doellingeria scabra (Thunb.) Nees -- accepted
  Doellingeria sericocarpoides Small -- accepted -- southern whitetop
  Doellingeria umbellata (Mill.) Nees -- accepted -- parasol whitetop, parasol flat-top white aster
  Doellingeria umbellata ssp. pubens (A. Gray) Á. Löve & D. Löve -- not accepted
  Doellingeria umbellata var. latifolia (A. Gray) House -- not accepted
  Doellingeria umbellata var. pubens (A. Gray) Britton -- accepted -- parasol whitetop
  Doellingeria umbellata var. umbellata (Mill.) Nees -- accepted -- parasol whitetop
  Eurybia chapmanii (Torr. & A. Gray) G.L. Nesom -- not accepted -- savannah aster
  Eurybia pygmaea (Lindl.) G.L. Nesom -- not accepted
  Felicia uliginosa (J.M. Wood & M.S. Evans) Grau -- not accepted
  Heterotheca Cass. -- accepted -- false goldenaster, telegraph plant, telegraphplant
  Heterotheca adenolepis (Fernald) H.E. Ahles -- not accepted
  Heterotheca aspera (Shuttlw. ex Small) Shinners -- not accepted
  Heterotheca barbata (Rydb.) Semple -- accepted -- Spokane false goldenaster
  Heterotheca bolanderi (A. Gray) V.L. Harms -- not accepted
  Heterotheca camphorata (Eastw.) Semple -- not accepted
  Heterotheca camporum (Greene) Shinners -- accepted -- lemonyellow false goldenaster
  Heterotheca camporum var. camporum (Greene) Shinners -- accepted -- lemonyellow false goldenaster
  Heterotheca camporum var. glandulissimum Semple -- accepted -- lemonyellow false goldenaster
  Heterotheca canescens (DC.) Shinners -- accepted -- hoary false goldenaster, gray goldaster, hoary falsegoldenaster
  Heterotheca chrysopsides DC. -- not accepted -- butterfly falsegoldenaster
  Heterotheca correllii (Fernald) H.E. Ahles -- not accepted
  Heterotheca depressa (Rydb.) Dorn -- not accepted
  Heterotheca echioides (Benth.) Shinners -- not accepted
  Heterotheca falcata (Pursh) V.L. Harms -- not accepted
  Heterotheca fastigiata (Greene) V.L. Harms -- not accepted
  Heterotheca flexuosa (Nash) V.L. Harms -- not accepted
  Heterotheca floribunda Benth. -- not accepted
  Heterotheca foliosa (Nutt.) Shinners -- not accepted
  Heterotheca fulcrata (Greene) Shinners -- accepted -- rockyscree false goldenaster, rockyscree falsegoldenaster, mountain camphorweed
  Heterotheca fulcrata var. amplifolia (Rydb.) Semple -- accepted -- rockyscree false goldenaster
  Heterotheca fulcrata var. arizonica Semple -- accepted -- Arizona false goldenaster, Arizona falsegoldenaster
  Heterotheca fulcrata var. fulcrata (Greene) Shinners -- accepted -- rockyscree false goldenaster, rocky false goldenaster, rockyscree falsegoldenaster
  Heterotheca fulcrata var. senilis (Woot. & Standl.) Semple -- accepted -- rockyscree false goldenaster, rockyscree falsegoldenaster
  Heterotheca graminiflora (Michx.) Shinners -- not accepted
  Heterotheca graminifolia (Michx.) Shinners -- not accepted
  Heterotheca graminifolia var. microcephala (Small) Cronq. -- not accepted
  Heterotheca graminifolia var. tenuifolia (Torr.) Gandhi & R.D. Thomas -- not accepted
  Heterotheca graminifolia var. tracyi (Small) R.W. Long -- not accepted
  Heterotheca grandiflora Nutt. -- accepted -- telegraphweed, telegraph weed
  Heterotheca horrida (Rydb.) V.L. Harms -- not accepted
  Heterotheca horrida ssp. cinerascens (S.F. Blake) Semple -- not accepted
  Heterotheca inuloides Cass. -- accepted -- fancy falsegoldenaster
  Heterotheca inuloides var. inuloides Cass. -- accepted -- fancy falsegoldenaster
  Heterotheca inuloides var. rosei Wagenkn. -- accepted -- Rose's falsegoldenaster
  Heterotheca jonesii (S.F. Blake) S.L. Welsh & N.D. Atwood -- accepted -- Jones' false goldenaster
  Heterotheca lamarckii Cass. -- not accepted
  Heterotheca latifolia Buckley -- not accepted
  Heterotheca latifolia var. arkansana Wagenkn. -- not accepted
  Heterotheca latifolia var. macgregoris Wagenkn. -- not accepted
  Heterotheca leptoglossa DC. -- accepted -- lacy falsegoldenaster
  Heterotheca marginata Semple -- accepted -- Sonora false goldenaster
  Heterotheca microcephala (Small) Shinners -- not accepted
  Heterotheca monarchensis York, Shevock & Semple -- accepted -- Sequoia false goldenaster
  Heterotheca nervosa (Willd.) Shinners -- not accepted
  Heterotheca nervosa var. microcephala (Small) Shinners ex H.E. Ahles -- not accepted
  Heterotheca oligantha (Chapm. ex Torr. & A. Gray) V.L. Harms -- not accepted
  Heterotheca oregona (Nutt.) Shinners -- accepted -- Oregon false goldenaster
  Heterotheca oregona var. compacta (D.D. Keck) Semple -- accepted -- Oregon false goldenaster
  Heterotheca oregona var. oregona (Nutt.) Shinners -- accepted -- Oregon false goldenaster
  Heterotheca oregona var. rudis (Greene) Semple -- accepted -- Oregon false goldenaster
  Heterotheca oregona var. scaberrima (A. Gray) Semple -- accepted -- Oregon false goldenaster
  Heterotheca pinifolia (Elliot) H.E. Ahles -- not accepted
  Heterotheca psammophila Wagenkn. -- not accepted
  Heterotheca pumila (Greene) Semple -- accepted -- alpine false goldenaster
  Heterotheca ruthii (Small) V.L. Harms -- not accepted
  Heterotheca rutteri (Rothr.) Shinners -- accepted -- Rutter's false goldenaster
  Heterotheca scabra (Pursh) DC. -- not accepted
  Heterotheca sessiliflora (Nutt.) Shinners -- accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora ssp. bolanderi (A. Gray) Semple -- accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora ssp. echioides (Benth.) Semple -- accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora ssp. echioides var. bolanderioides Semple -- not accepted
  Heterotheca sessiliflora ssp. echioides var. camphorata (Eastw.) Semple -- not accepted
  Heterotheca sessiliflora ssp. echioides var. echioides (Benth.) Semple -- not accepted
  Heterotheca sessiliflora ssp. fastigiata (Greene) Semple -- accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora ssp. fastigiata var. fastigiata (Greene) Semple -- not accepted
  Heterotheca sessiliflora ssp. fastigiata var. sanjacintensis Semple -- not accepted
  Heterotheca sessiliflora ssp. sessiliflora (Nutt.) Shinners -- accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora var. bolanderioides Semple -- not accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora var. camphorata (Eastw.) Semple -- not accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora var. echioides (Benth.) Semple -- not accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora var. fastigiata (Greene) Semple -- not accepted -- sessileflower false goldenaster
  Heterotheca sessiliflora var. sanjacintensis Semple -- not accepted -- sessileflower false goldenaster
  Heterotheca shevockii (Semple) Semple -- accepted -- Kern Canyon false goldenaster
  Heterotheca stenophylla (A. Gray) Shinners -- accepted -- stiffleaf false goldenaster, stiffleaf falsegoldenaster
  Heterotheca stenophylla var. angustifolia (Rydb.) Semple -- accepted -- stiffleaf false goldenaster
  Heterotheca stenophylla var. stenophylla (A. Gray) Shinners -- accepted -- stiffleaf false goldenaster
  Heterotheca subaxillaris (Lam.) Britton & Rusby -- accepted -- camphorweed, golden aster
  Heterotheca subaxillaris ssp. latifolia (Buckley) Semple -- accepted
  Heterotheca subaxillaris ssp. subaxillaris (Lam.) Britton & Rusby -- accepted
  Heterotheca subaxillaris var. latifolia (Buckley) Gandhi & R.D. Thomas -- not accepted
  Heterotheca subaxillaris var. petiolaris Benke -- not accepted
  Heterotheca subaxillaris var. procumbens Wagenkn. -- not accepted
  Heterotheca subaxillaris var. psammophila (Wagenkn.) Gandhi -- not accepted
  Heterotheca subaxillaris var. subaxillaris (Lam.) Britt. & Rusby -- not accepted -- camphorweed
  Heterotheca villosa (Pursh) Shinners -- accepted -- hairy false goldenaster, hairy goldaster, hairy goldenaster, hairy false goldaster
  Heterotheca villosa var. angustifolia (Rydb.) Semple -- not accepted
  Heterotheca villosa var. ballardii (Rydb.) Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. camporum (Greene) Wunderlin -- not accepted
  Heterotheca villosa var. depressa (Rydb.) Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. foliosa (Nutt.) V.L. Harms -- accepted -- hairy false goldenaster
  Heterotheca villosa var. hispida (Hook.) V.L. Harms -- not accepted -- bristly hairy goldaster
  Heterotheca villosa var. horrida (Hook.) Semple -- not accepted
  Heterotheca villosa var. minor (Hook.) Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. nana (A. Gray) Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. pedunculata (Greene) V.L. Harms ex Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. scabra (Eastw.) Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. shevockii Semple -- not accepted
  Heterotheca villosa var. sierrablancensis Semple -- accepted -- hairy false goldenaster
  Heterotheca villosa var. villosa (Pursh) Shinners -- accepted -- hairy false goldenaster, hairy false golden-aster
  Heterotheca viscida (A. Gray) V.L. Harms -- accepted -- cliff false goldenaster, cliff falsegoldenaster
  Heterotheca wisconsinensis (Shinners) Shinners -- not accepted
  Heterotheca zionensis Semple -- accepted -- Zion false goldenaster
  Inula alba Nutt. -- not accepted
  Lasallea adnata (Nutt.) Semple & L. Brouillet -- not accepted
  Lasallea concolor (L.) Semple & L. Brouillet -- not accepted
  Lasallea ericoides (L.) Semple & L. Brouillet -- not accepted
  Lasallea falcata (Lindl.) Semple & L. Brouillet -- not accepted
  Lasallea grandiflora (L.) Semple & L. Brouillet -- not accepted
  Lasallea novae-angliae (L.) Semple & L. Brouillet -- not accepted
  Lasallea oblongifolia (Nutt.) Semple & L. Brouillet -- not accepted
  Lasallea patens (Aiton) Semple & L. Brouillet -- not accepted
  Lasallea sericea (Vent.) Greene -- not accepted
  Lasallea sericea ssp. pratensis (Raf.) Semple & L. Brouillet -- not accepted
  Lasallea walteri (Alexander) Semple & L. Brouillet -- not accepted
  Lasallea X amethystina (Nutt.) Semple & L. Brouillet -- not accepted
  Oligoneuron album (Nutt.) G.L. Nesom -- not accepted -- prairie goldenrod
  Oligoneuron canescens Rydb. -- not accepted
  Oligoneuron corymbosum var. humile (Porter) Beaudry & Kapoor -- not accepted
  Oligoneuron grandiflorum (Raf.) Small -- not accepted
  Oligoneuron houghtonii (Torr. & A. Gray ex A. Gray) G.L. Nesom -- not accepted -- Houghton's goldenrod
  Oligoneuron jacksonii (Kuntze) Small -- not accepted
  Oligoneuron nitidum (Torr. & A. Gray) Small -- not accepted -- shiny goldenrod
  Oligoneuron ohioense (Frank ex Riddell) G.N. Jones -- not accepted -- Ohio goldenrod
  Oligoneuron riddellii (Frank ex Riddell) Rydb. -- not accepted -- Riddell's goldenrod
  Oligoneuron rigidum (L.) Small -- not accepted -- stiff 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 -- stiff goldenrod, hardleaf goldenrod
  Oligoneuron rigidum var. rigidum (L.) Small -- not accepted -- stiff goldenrod
  Oligoneuron X bernardii (B. Boivin) G.L. Nesom -- not accepted
  Oligoneuron X lutescens (Lindl. ex DC.) G.L. Nesom -- not accepted
  Oligoneuron X maheuxii (Boivin) Nesom -- not accepted
  Pityopsis Nutt. -- accepted -- silkgrass, pityopsis
  Pityopsis adenolepis (Fernald) Semple -- not accepted -- Carolina silkgrass
  Pityopsis aspera (Shuttlw. ex Small) Small -- accepted -- pineland silkgrass
  Pityopsis aspera var. adenolepis (Fernald) Semple & F.D. Bowers -- accepted -- Carolina silkgrass
  Pityopsis aspera var. aspera (Shuttlw. ex Small) Small -- accepted -- pineland silkgrass
  Pityopsis falcata (Pursh) Nutt. -- accepted -- sickleleaf silkgrass
  Pityopsis flexuosa (Nash) Small -- accepted -- zigzag silkgrass
  Pityopsis graminifolia (Michx.) Nutt. -- accepted -- narrowleaf silkgrass
  Pityopsis graminifolia var. aequilifolia Semple & F.D. Bowers -- accepted -- narrowleaf silkgrass
  Pityopsis graminifolia var. graminifolia (Michx.) Nutt. -- accepted -- narrowleaf silkgrass
  Pityopsis graminifolia var. latifolia (Fernald) Semple & F.D. Bowers -- accepted -- narrowleaf silkgrass
  Pityopsis graminifolia var. microcephala (Small) Semple -- not accepted
  Pityopsis graminifolia var. tenuifolia (Torr.) Semple & F.D. Bowers -- accepted -- narrowleaf silkgrass, grassleaf goldaster
  Pityopsis graminifolia var. tracyi (Small) Semple -- accepted -- Tracy's silkgrass
  Pityopsis microcephala (Small) Small -- not accepted
  Pityopsis oligantha (Chapm. ex Torr. & A. Gray) Small -- accepted -- grassleaf goldaster
  Pityopsis pinifolia (Elliot) Nutt. -- accepted -- Taylor County goldaster
  Pityopsis ruthii (Small) Small -- accepted -- Ruth's goldaster, Ruth's golden aster
  Pityopsis tracyi (Small) Small -- not accepted
  Solidago L. -- accepted -- goldenrod, verges d'or
  Solidago aestivalis E.P. Bicknell -- not accepted
  Solidago albopilosa E.L. Braun -- accepted -- whitehair goldenrod, white-haired goldenrod
  Solidago altiplanities C.E.S. Taylor & R.J. Taylor -- accepted -- high plains goldenrod
  Solidago altissima L. -- accepted -- Canada goldenrod
  Solidago altissima ssp. altissima L. -- accepted -- late goldenrod, Canada goldenrod
  Solidago altissima ssp. gilvocanescens (Rydb.) Semple -- accepted -- Great Plains late goldendrod, shorthair goldenrod
  Solidago altissima var. altissima L. -- not accepted
  Solidago altissima var. canescens (A. Gray) M.C. Johnst. -- not accepted
  Solidago altissima var. gilvocanescens (Rydb.) Semple -- not accepted
  Solidago altissima var. pluricephala M.C. Johnst. -- not accepted
  Solidago altissima var. procera (Aiton) Fernald -- not accepted
  Solidago amplexicaulis Torr. & A. Gray ex A. Gray non M. Martens -- not accepted
  Solidago angusta Torr. & A. Gray -- not accepted
  Solidago angustifolia Elliot -- not accepted
  Solidago anticostensis Fernald -- not accepted
  Solidago arenicola D.B. Keener & Kral -- accepted -- southern racemose goldenrod
  Solidago arguta Aiton -- accepted -- Atlantic goldenrod
  Solidago arguta ssp. arguta Aiton -- accepted
  Solidago arguta ssp. boottii (Hook.) G. Morton -- not accepted
  Solidago arguta ssp. caroliniana (A. Gray) G. Morton -- accepted -- Atlantic goldenrod
  Solidago arguta ssp. pseudoyadkinensis G. Morton -- not accepted
  Solidago arguta var. arguta Aiton -- accepted -- Atlantic goldenrod
  Solidago arguta var. boottii (Hook.) Palmer & Steyerm. -- accepted -- Boott's goldenrod
  Solidago arguta var. caroliniana A. Gray -- accepted -- Atlantic goldenrod
  Solidago arguta var. harrisii (Steele) Cronquist -- accepted -- Harris' goldenrod
  Solidago arguta var. neurolepis (Fernald) Steyerm. -- not accepted -- Atlantic goldenrod
  Solidago arguta var. strigosa (Small) Steyerm. -- not accepted
  Solidago arizonica (A. Gray) Woot. & Standl. -- not accepted
  Solidago aspera Aiton -- not accepted
  Solidago asteroides Semple -- not accepted
  Solidago auriculata Shuttlw. ex S.F. Blake -- accepted -- eared goldenrod
  Solidago austrina Small -- not accepted
  Solidago axillaris Pursh -- not accepted
  Solidago bartramiana Fernald -- not accepted
  Solidago bellidifolia Greene -- not accepted
  Solidago bicolor L. -- accepted -- white goldenrod
  Solidago bicolor var. concolor Torr. & A. Gray -- not accepted
  Solidago bicolor var. lanata (Hook.) Seymour -- not accepted
  Solidago bicolor var. ovalis Farw. -- not accepted
  Solidago bicolor var. tonsa (Fernald) B. Boivin -- not accepted
  Solidago bigelovii A. Gray -- not accepted
  Solidago bigelovii var. wrightii (A. Gray) A. Gray -- not accepted
  Solidago boottii Hook. -- not accepted
  Solidago boottii var. brachyphylla (Chapm. ex Torr. & A. Gray) A. Gray -- not accepted
  Solidago boottii var. caroliniana (A. Gray) Cronquist -- not accepted
  Solidago boottii var. ludoviciana A. Gray -- not accepted
  Solidago brachyphylla Chapm. ex Torr. & A. Gray -- accepted -- Dixie goldenrod
  Solidago buckleyi Torr. & A. Gray -- accepted -- Buckley's goldenrod
  Solidago caesia L. -- accepted -- wreath goldenrod
  Solidago caesia var. axillaris (Pursh) A. Gray -- not accepted
  Solidago caesia var. caesia L. -- accepted -- wreath goldenrod
  Solidago caesia var. curtisii (Torr. & A. Gray) Alph. Wood -- not accepted -- mountain decumbent goldenrod
  Solidago caesia var. hispida Alph. Wood -- not accepted
  Solidago caesia var. paniculata A. Gray -- not accepted
  Solidago caesia var. zedia R.E. Cook & Semple -- accepted
  Solidago calcicola Fernald -- not accepted -- limestone goldenrod
  Solidago californica Nutt. -- not accepted -- California goldenrod
  Solidago californica var. nevadensis A. Gray -- not accepted
  Solidago canadensis L. -- accepted -- Canada goldenrod, Canadian goldenrod, common goldenrod
  Solidago canadensis ssp. elongata (Nutt.) D.D. Keck -- not accepted
  Solidago canadensis ssp. salebrosa (Piper) D.D. Keck -- not accepted
  Solidago canadensis var. arizonica A. Gray -- not accepted
  Solidago canadensis var. bartramiana (Fernald) Beaudry -- not accepted -- Bartram's goldenrod
  Solidago canadensis var. canadensis L. -- accepted -- Canada goldenrod, Canadian goldenrod
  Solidago canadensis var. canescens A. Gray -- not accepted
  Solidago canadensis var. elongata (Nutt.) M. Peck -- not accepted
  Solidago canadensis var. gilvocanescens Rydb. -- not accepted -- shorthair goldenrod, Canadian goldenrod
  Solidago canadensis var. hargeri Fernald -- accepted -- Harger's goldenrod, Canadian goldenrod
  Solidago canadensis var. lepida (DC.) Cronquist -- not accepted -- Canada goldenrod
  Solidago canadensis var. rupestris (Raf.) Porter -- not accepted
  Solidago canadensis var. salebrosa (Piper) M.E. Jones -- not accepted -- salebrosa goldenrod, Canadian goldenrod
  Solidago canadensis var. scabra Torr. & A. Gray -- not accepted -- Canada goldenrod, Canadian goldenrod
  Solidago canadensis var. subserrata (DC.) Cronquist -- not accepted
  Solidago canescens (Rydb.) Friesner -- not accepted
  Solidago celtidifolia Small -- not accepted
  Solidago chapmanii A. Gray -- not accepted
  Solidago chlorolepis Fernald -- not accepted
  Solidago chrysolepis Fernald -- not accepted
  Solidago ciliosa Greene -- not accepted
  Solidago conferta Mill. -- not accepted
  Solidago confinis A. Gray -- accepted -- Nevada goldenrod
  Solidago corymbosa Elliot -- not accepted
  Solidago curtisii Torr. & A. Gray -- accepted -- mountain decumbent goldenrod
  Solidago curtisii var. curtisii Torr. & A. Gray -- accepted
  Solidago curtisii var. flaccidifolia (Small) R.E. Cook & Semple -- accepted -- mountain goldenrod
  Solidago curtisii var. pubens (M.A. Curtis) A. Gray -- not accepted
  Solidago cutleri Fernald -- not accepted -- Cutler's alpine goldenrod
  Solidago deamii Fernald -- not accepted -- Deam's goldenrod
  Solidago decemflora DC. -- not accepted
  Solidago decumbens Greene -- not accepted
  Solidago decumbens var. chlorolepis (Fernald) Beaudry -- not accepted
  Solidago decumbens var. oreophila (Rydb.) Fernald -- not accepted
  Solidago delicatula Small -- accepted -- elmleaf goldenrod
  Solidago dispersa Small -- not accepted
  Solidago drummondii Torr. & A. Gray -- accepted -- Drummond's goldenrod
  Solidago dumetorum Lunell -- not accepted -- Turtle Mountain goldenrod
  Solidago edisoniana Mack. -- not accepted
  Solidago elliottii Torr. & A. Gray -- not accepted
  Solidago elliottii var. ascendens Fernald -- not accepted
  Solidago elliottii var. edisoniana (Mack.) Fernald -- not accepted
  Solidago elliottii var. pedicellata Fernald -- not accepted
  Solidago elliptica Aiton -- not accepted
  Solidago elongata Nutt. -- accepted
  Solidago erecta Pursh -- accepted -- showy goldenrod
  Solidago farwellii Fernald -- not accepted
  Solidago faucibus Wieboldt -- accepted
  Solidago fistulosa Mill. -- accepted -- pine barren goldenrod, pinebarren goldenrod
  Solidago flaccidifolia Small -- not accepted -- mountain goldenrod
  Solidago flavovirens Chapm. -- not accepted
  Solidago flexicaulis L. -- accepted -- zigzag goldenrod
  Solidago gattingeri Chapm. ex A. Gray -- accepted -- Gattinger's goldenrod
  Solidago gigantea Aiton -- accepted -- giant goldenrod
  Solidago gigantea ssp. serotina (Kuntze) McNeill -- not accepted
  Solidago gigantea var. leiophylla Fernald -- not accepted
  Solidago gigantea var. pitcheri (Nutt.) Shinners -- not accepted
  Solidago gigantea var. serotina (Kuntze) Cronquist -- not accepted
  Solidago gigantea var. shinnersii Beaudry -- not accepted
  Solidago gillmanii (A. Gray) Steele -- not accepted
  Solidago gilvocanescens (Rydb.) Smyth -- not accepted
  Solidago glaberrima M. Martens -- not accepted
  Solidago glaberrima var. moritura (Steele) Palmer & Steyerm. -- not accepted
  Solidago glomerata Michx. -- accepted -- clustered goldenrod
  Solidago glutinosa Nutt. -- not accepted
  Solidago glutinosa ssp. randii (Porter) Cronquist -- not accepted
  Solidago glutinosa var. chlorolepis (Fernald) G.S. Ringius -- not accepted
  Solidago glutinosa var. gillmanii (A. Gray) Cronquist -- not accepted
  Solidago glutinosa var. nana (A. Gray) Cronquist -- not accepted
  Solidago glutinosa var. ontarioensis G.S. Ringius -- not accepted
  Solidago glutinosa var. racemosa (Greene) Cronquist -- not accepted
  Solidago gracilis Poir. -- not accepted
  Solidago gracillima Torr. & A. Gray -- not accepted -- Virginia goldenrod
  Solidago grandiflora Raf. -- not accepted
  Solidago guiradonis A. Gray -- accepted -- Guirado goldenrod
  Solidago harperi Mack. -- not accepted
  Solidago harrisii Steele -- not accepted
  Solidago helleri Small -- not accepted
  Solidago hirsutissima Mill. -- not accepted
  Solidago hispida Muhl. ex Willd. -- accepted -- hairy goldenrod
  Solidago hispida var. arnoglossa Fernald -- not accepted -- hairy goldenrod
  Solidago hispida var. hispida Muhl. ex Willd. -- not accepted -- hairy goldenrod
  Solidago hispida var. lanata (Hook.) Fernald -- not accepted -- hairy goldenrod
  Solidago hispida var. tonsa Fernald -- not accepted -- hairy goldenrod
  Solidago houghtonii Torr. & A. Gray ex A. Gray -- accepted -- Houghton's goldenrod
  Solidago howellii Woot. & Standl. -- not accepted
  Solidago jacksonii (Kuntze) Fernald -- not accepted
  Solidago jacksonii var. humilis (Porter) Beaudry -- not accepted
  Solidago jejunifolia E.S. Steele -- not accepted
  Solidago juliae G.L. Nesom -- accepted -- Julia's goldenrod
  Solidago juncea Aiton -- accepted -- early goldenrod
  Solidago juncea var. juncea Aiton -- not accepted -- early goldenrod
  Solidago juncea var. neobohemica Fernald -- not accepted
  Solidago juncea var. ramosa Porter & Britton -- not accepted
  Solidago kralii Semple -- accepted -- Kral's goldenrod
  Solidago lancifolia Torr. & A. Gray -- accepted -- lance-leaf goldenrod
  Solidago lateriflora L. -- not accepted
  Solidago latifolia L. -- not accepted
  Solidago latissimifolia Mill. -- accepted -- Elliott's goldenrod
  Solidago leavenworthii Torr. & A. Gray -- accepted -- Leavenworth's goldenrod
  Solidago leiocarpa DC. in DC. & A. DC. -- accepted -- Cutler's alpine goldenrod
  Solidago lepida DC. -- accepted -- Canada goldenrod
  Solidago lepida ssp. fallax (Fernald) Semple -- accepted
  Solidago lepida ssp. lepida DC. -- accepted
  Solidago lepida var. elongata (Nutt.) Fernald -- not accepted
  Solidago lepida var. fallax Fernald -- not accepted
  Solidago lepida var. lepida DC. -- accepted -- Canada goldenrod
  Solidago lepida var. molina Fernald -- not accepted
  Solidago lepida var. salebrosa (Piper) Semple -- accepted -- salebrosa goldenrod
  Solidago lindheimeriana Scheele -- not accepted
  Solidago longipetiolata Mack. & Bush -- not accepted
  Solidago ludoviciana (A. Gray) Small -- accepted -- Louisiana goldenrod
  Solidago lunellii Rydb. -- not accepted
  Solidago macrophylla Banks ex Pursh -- accepted -- largeleaf goldenrod
  Solidago macrophylla var. thyrsoidea (E. Mey.) Fernald -- not accepted
  Solidago maxonii Pollard -- not accepted
  Solidago mensalis Fernald -- not accepted
  Solidago mexicana L. -- not accepted
  Solidago microphylla (A. Gray) Engelm. ex Small -- not accepted
  Solidago milleriana Mack. -- not accepted
  Solidago mirabilis Small -- not accepted
  Solidago missouriensis Nutt. -- accepted -- Missouri goldenrod, Tolmie's goldenrod, prairie goldenrod
  Solidago missouriensis var. extraria A. Gray -- not accepted
  Solidago missouriensis var. fasciculata Holz. -- not accepted -- Missouri goldenrod
  Solidago missouriensis var. glaberrima (M. Martens) Rosend. & Cronquist -- not accepted
  Solidago missouriensis var. missouriensis Nutt. -- not accepted -- Missouri goldenrod
  Solidago missouriensis var. montana A. Gray -- not accepted
  Solidago missouriensis var. tenuissima (Woot. & Standl.) C.E.S. Taylor & R.J. Taylor -- not accepted -- Missouri goldenrod
  Solidago missouriensis var. tolmieana (A. Gray) Cronquist -- not accepted -- Tolmie's goldenrod
  Solidago mollis Bartlett -- accepted -- velvety goldenrod, ashy goldenrod, soft goldenrod, woolly goldenrod
  Solidago mollis var. angustata Shinners -- not accepted -- velvety goldenrod
  Solidago mollis var. mollis Bartlett -- not accepted -- velvety goldenrod, velvet goldenrod
  Solidago monticola Torr. & A. Gray -- not accepted
  Solidago multiradiata Aiton -- accepted -- Rocky Mountain goldenrod, manyray goldenrod, arctic goldenrod, mountain goldenrod
  Solidago multiradiata ssp. scopulorum (A. Gray) W.A. Weber -- not accepted
  Solidago multiradiata var. arctica (DC.) Fernald -- not accepted -- arctic goldenrod
  Solidago multiradiata var. multiradiata Aiton -- not accepted -- Rocky Mountain goldenrod
  Solidago multiradiata var. parviceps Fernald -- not accepted -- mountain goldenrod
  Solidago multiradiata var. scopulorum A. Gray -- not accepted -- manyray goldenrod, Rocky Mountain goldenrod
  Solidago nana Nutt. -- accepted -- baby goldenrod, gray goldenrod
  Solidago neglecta Torr. & A. Gray -- not accepted
  Solidago nemoralis Aiton -- accepted -- gray goldenrod, dyersweed goldenrod
  Solidago nemoralis ssp. decemflora (DC.) Brammall -- accepted -- gray goldenrod
  Solidago nemoralis ssp. haleana (Fernald) G.W. Douglas -- not accepted
  Solidago nemoralis ssp. longipetiolata (Mack. & Bush) G.W. Douglas -- not accepted
  Solidago nemoralis ssp. nemoralis Aiton -- accepted -- gray goldenrod
  Solidago nemoralis var. decemflora (DC.) Fernald -- not accepted
  Solidago nemoralis var. haleana Fernald -- not accepted
  Solidago nemoralis var. longipetiolata (Mack. & Bush) Palmer & Steyerm. -- not accepted -- gray goldenrod
  Solidago nemoralis var. nemoralis Aiton -- not accepted -- gray goldenrod
  Solidago neomexicana (A. Gray) Woot. & Standl. -- not accepted
  Solidago neurolepis Fernald -- not accepted
  Solidago nitida Torr. & A. Gray -- accepted -- shiny goldenrod
  Solidago notabilis Mack. -- not accepted
  Solidago odora Aiton -- accepted -- anise-scented goldenrod, fragrant goldenrod
  Solidago odora ssp. chapmanii (A. Gray) Semple -- accepted -- Chapman's goldenrod
  Solidago odora var. chapmanii (A. Gray) Cronquist -- not accepted -- Chapman's goldenrod
  Solidago odora var. odora Aiton -- not accepted
  Solidago ohioensis Riddell -- accepted
  Solidago oreophila Rydb. -- not accepted
  Solidago ouachitensis C.E.S. Taylor & R.J. Taylor -- accepted -- Ouachita Mountain goldenrod
  Solidago pallida (Porter) Rydb. -- not accepted
  Solidago parvirigida Beaudry -- not accepted
  Solidago patula Muhl. ex Willd. -- accepted -- roundleaf goldenrod
  Solidago patula ssp. patula Muhl. ex Willd. -- accepted -- roundleaf goldenrod
  Solidago patula ssp. strictula Torr. & A. Gray -- accepted -- roundleaf goldenrod
  Solidago patula var. patula Muhl. ex Willd. -- not accepted
  Solidago patula var. strictula Torr. & A. Gray -- not accepted -- roundleaf goldenrod
  Solidago pendula Small -- not accepted
  Solidago perlonga Fernald -- not accepted
  Solidago petiolaris Aiton -- accepted -- downy ragged goldenrod, downy goldenrod
  Solidago petiolaris var. angusta (Torr. & A. Gray) A. Gray -- not accepted -- downy ragged goldenrod
  Solidago petiolaris var. petiolaris Aiton -- not accepted -- downy ragged goldenrod
  Solidago petiolaris var. wardii (Britton) Fernald -- not accepted
  Solidago petiolata auct. non Mill. -- not accepted
  Solidago pinetorum Small -- accepted -- Small's goldenrod
  Solidago pitcheri Nutt. -- not accepted
  Solidago plumosa Small -- accepted -- plumed goldenrod, Yadkin River Goldenrod
  Solidago porteri Small -- not accepted -- Porter's goldenrod
  Solidago pruinosa Greene -- not accepted
  Solidago ptarmicoides (Torr. & A. Gray) B. Boivin -- accepted -- white flat-top goldenrod, upland white aster, prairie goldenrod, verge-d'or faux-ptarmica
  Solidago pubens M.A. Curtis -- not accepted
  Solidago puberula Nutt. -- accepted -- downy goldenrod
  Solidago puberula ssp. puberula Nutt. -- accepted -- downy goldenrod
  Solidago puberula ssp. pulverulenta (Nutt.) Semple -- accepted -- downy goldenrod
  Solidago puberula var. puberula Nutt. -- not accepted -- downy goldenrod
  Solidago puberula var. pulverulenta (Nutt.) Chapm. -- not accepted -- downy goldenrod
  Solidago pulcherrima A. Nelson -- not accepted
  Solidago pulchra Small -- accepted -- Carolina goldenrod
  Solidago pulverulenta Nutt. -- not accepted
  Solidago purshii Porter -- not accepted
  Solidago racemosa Greene -- not accepted
  Solidago racemosa var. gillmanii (A. Gray) Fernald -- not accepted
  Solidago radula Nutt. -- accepted -- western rough goldenrod, rough goldenrod
  Solidago radula var. laeta (Greene) Fernald -- not accepted -- western rough goldenrod
  Solidago radula var. radula Nutt. -- not accepted -- western rough goldenrod
  Solidago radula var. stenolepis Fernald -- not accepted -- western rough goldenrod
  Solidago randii (Porter) Britton -- not accepted
  Solidago randii var. monticola (Porter) Fernald -- not accepted
  Solidago riddellii Frank ex Riddell -- accepted -- Riddell's goldenrod
  Solidago rigida L. -- accepted -- stiff-leaved goldenrod
  Solidago rigida ssp. glabrata (E.L. Braun) S.B. Heard & Semple -- accepted
  Solidago rigida ssp. humilis (Porter) S.B. Heard & Semple -- accepted
  Solidago rigida ssp. rigida L. -- accepted -- stiff goldenrod
  Solidago rigida var. glabrata E.L. Braun -- not accepted
  Solidago rigida var. humilis Porter -- not accepted
  Solidago rigida var. laevicaulis Shinners -- not accepted
  Solidago rigidiuscula (Torr. & A. Gray) Porter -- not accepted
  Solidago roanensis Porter -- accepted -- Roan Mountain goldenrod
  Solidago roanensis var. monticola (Torr. & A. Gray) Fernald -- not accepted
  Solidago rotundifolia DC. -- not accepted
  Solidago rugosa Mill. -- accepted -- wrinkleleaf goldenrod
  Solidago rugosa ssp. aspera (Aiton) Cronquist -- accepted -- wrinkleleaf goldenrod, wrinkled goldenrod
  Solidago rugosa ssp. rugosa Mill. -- accepted -- wrinkleleaf goldenrod
  Solidago rugosa ssp. rugosa var. rugosa P. Mill. -- not accepted -- wrinkleleaf goldenrod
  Solidago rugosa ssp. rugosa var. sphagnophila Graves -- not accepted -- wrinkleleaf goldenrod
  Solidago rugosa ssp. rugosa var. villosa (Pursh) Fernald -- not accepted -- wrinkleleaf goldenrod
  Solidago rugosa var. celtidifolia (Small) Fernald -- not accepted
  Solidago rugosa var. cronquistiana Semple -- accepted
  Solidago rugosa var. rugosa Mill. -- accepted -- wrinkleleaf goldenrod
  Solidago rugosa var. sphagnophila Graves -- accepted -- wrinkleleaf goldenrod
  Solidago rugosa var. villosa (Pursh) Fern. -- not accepted -- wrinkleleaf goldenrod
  Solidago rupestris Raf. -- accepted -- rock goldenrod
  Solidago salicina Elliot -- not accepted
  Solidago scaberrima Torr. & A. Gray -- not accepted
  Solidago scabra Muhl. ex Willd. non Muhl. -- not accepted
  Solidago sciaphila Steele -- accepted -- shadowy goldenrod
  Solidago scopulorum (A. Gray) A. Nelson -- not accepted
  Solidago sempervirens L. -- accepted -- seaside goldenrod
  Solidago sempervirens ssp. mexicana (L.) Semple -- accepted -- seaside goldenrod
  Solidago sempervirens ssp. sempervirens L. -- accepted -- seaside goldenrod
  Solidago sempervirens var. mexicana (L.) Fernald -- not accepted -- seaside goldenrod
  Solidago sempervirens var. sempervirens L. -- not accepted -- seaside goldenrod
  Solidago serotina Aiton non Retz. -- not accepted
  Solidago serotinoides Á. Löve & D. Löve -- not accepted
  Solidago shortii Torr. & A. Gray -- accepted -- Short's goldenrod
  Solidago simplex Kunth -- accepted -- Mt. Albert goldenrod
  Solidago simplex ssp. randii (Porter) G.S. Ringius -- accepted -- Rand's goldenrod
  Solidago simplex ssp. randii var. gillmanii (A. Gray) G.S. Ringius -- not accepted -- Rand's goldenrod
  Solidago simplex ssp. randii var. monticola (Porter) G.S. Ringius -- not accepted -- Rand's goldenrod
  Solidago simplex ssp. randii var. ontarioensis (G.S. Ringius) G.S. Ringius -- not accepted -- Ontario goldenrod
  Solidago simplex ssp. randii var. racemosa (Greene) G.S. Ringius -- not accepted -- Rand's goldenrod, Lake Ontario goldenrod, verge-d'or simple variété ŕ grappes
  Solidago simplex ssp. randii var. randii (Porter) Kartesz & Gandhi -- not accepted -- Rand's goldenrod, mountain goldenrod, verge-d'or simple variété de Rand
  Solidago simplex ssp. simplex Kunth -- accepted -- Mt. Albert goldenrod
  Solidago simplex ssp. simplex var. chlorolepis (Fernald) G.S. Ringius -- not accepted -- Mt. Albert goldenrod, verge-d'or simple variété ŕ bractées vertes
  Solidago simplex ssp. simplex var. nana (A. Gray) G.S. Ringius -- not accepted -- dwarf goldenrod
  Solidago simplex ssp. simplex var. simplex Kunth -- not accepted -- Mt. Albert goldenrod, New Mexican goldenrod
  Solidago simplex ssp. simplex var. spathulata (DC.) Cronquist -- not accepted
  Solidago simplex var. chlorolepis (Fernald) G.S. Ringius -- accepted
  Solidago simplex var. gillmanii (A. Gray) G.S. Ringius -- accepted -- Rand's goldenrod, Deam's goldenrod
  Solidago simplex var. monticola (Porter) G.S. Ringius -- accepted -- Rand's goldenrod
  Solidago simplex var. nana (A. Gray) G.S. Ringius -- accepted -- dwarf goldenrod
  Solidago simplex var. ontarioensis (G.S. Ringius) G.S. Ringius -- accepted -- Ontario goldenrod
  Solidago simplex var. racemosa (Greene) G.S. Ringius -- accepted -- Rand's goldenrod
  Solidago simplex var. randii (Porter) Kartesz & Gandhi -- accepted -- Rand's goldenrod
  Solidago simplex var. simplex Kunth -- accepted -- Mt. Albert goldenrod
  Solidago simplex var. spathulata (DC.) Cronq. -- not accepted -- Mt. Albert goldenrod
  Solidago simulans Fernald -- not accepted -- fall goldenrod
  Solidago sparsiflora A. Gray -- not accepted
  Solidago spathulata DC. -- accepted -- coast goldenrod, Mt. Albert goldenrod
  Solidago spathulata ssp. glutinosa (Nutt.) D.D. Keck -- not accepted
  Solidago spathulata ssp. randii (Porter) Gleason -- not accepted
  Solidago spathulata ssp. spathulata DC. -- not accepted
  Solidago spathulata var. gillmanii (A. Gray) Gleason -- not accepted
  Solidago spathulata var. nana (A. Gray) Cronquist -- not accepted
  Solidago spathulata var. neomexicana (A. Gray) Cronquist -- not accepted
  Solidago spathulata var. racemosa (Greene) Gleason -- not accepted
  Solidago spathulata var. spathulata DC. -- not accepted -- coastaldune goldenrod
  Solidago spathulata var. subcinerea A. Gray -- not accepted
  Solidago speciosa Nutt. -- accepted -- showy goldenrod, noble goldenrod
  Solidago speciosa ssp. pallida (Porter) Semple -- accepted
  Solidago speciosa ssp. speciosa Nutt. -- accepted
  Solidago speciosa var. angustata Torr. & A. Gray -- not accepted
  Solidago speciosa var. erecta (Pursh) MacMill. -- not accepted -- showy goldenrod
  Solidago speciosa var. jejunifolia (E.S. Steele) Cronquist -- not accepted -- showy goldenrod
  Solidago speciosa var. pallida Porter -- accepted -- showy goldenrod
  Solidago speciosa var. rigidiuscula Torr. & A. Gray -- accepted -- showy goldenrod
  Solidago speciosa var. speciosa Nutt. -- accepted -- showy goldenrod
  Solidago spectabilis (D.C. Eaton) A. Gray -- accepted -- Nevada goldenrod
  Solidago spectabilis var. confinis (A. Gray) Cronquist -- not accepted -- Nevada goldenrod
  Solidago spectabilis var. spectabilis (D.C. Eaton) A. Gray -- accepted -- Nevada goldenrod
  Solidago sphacelata Raf. -- accepted -- autumn goldenrod
  Solidago spithamaea M.A. Curtis -- accepted -- Blue Ridge goldenrod
  Solidago squarrosa Nutt. -- accepted -- stout goldenrod
  Solidago stricta Aiton -- accepted -- wand goldenrod
  Solidago stricta ssp. gracillima (Torr. & A. Gray) Semple -- accepted -- Virginia goldenrod
  Solidago stricta ssp. stricta Aiton -- accepted
  Solidago strigosa Small -- not accepted
  Solidago suaveolens Schoepf -- not accepted
  Solidago tarda Mack. -- accepted -- Atlantic goldenrod
  Solidago tenuissima Woot. & Standl. -- not accepted
  Solidago tortifolia Elliot -- accepted -- twistleaf goldenrod
  Solidago trinervata Greene -- not accepted
  Solidago uliginosa Nutt. -- accepted -- bog goldenrod, fall goldenrod
  Solidago uliginosa var. jejunifolia (E.S. Steele) B. Boivin -- not accepted
  Solidago uliginosa var. levipes (Fernald) Fernald -- not accepted -- bog goldenrod
  Solidago uliginosa var. linoides (Torr. & A. Gray) Fernald -- not accepted -- bog goldenrod
  Solidago uliginosa var. neglecta (Torr. & A. Gray) Fernald -- not accepted
  Solidago uliginosa var. peracuta (Fernald) Friesner -- not accepted
  Solidago uliginosa var. terrae-novae (Torr. & A. Gray) Fernald -- not accepted -- bog goldenrod
  Solidago uliginosa var. uliginosa Nutt. -- not accepted -- bog goldenrod
  Solidago ulmifolia Muhl. ex Willd. -- accepted -- elmleaf goldenrod
  Solidago ulmifolia var. microphylla A. Gray -- not accepted -- elmleaf goldenrod
  Solidago ulmifolia var. palmeri Cronquist -- accepted -- Palmer's goldenrod
  Solidago ulmifolia var. ulmifolia Muhl. ex Willd. -- accepted -- elmleaf goldenrod
  Solidago uniligulata (DC.) Porter -- not accepted
  Solidago uniligulata var. levipes Fernald -- not accepted
  Solidago velutina DC. -- accepted -- threenerve goldenrod, sparse goldenrod, three-nerve goldenrod
  Solidago velutina ssp. califonica (Nutt.) Semple -- accepted -- California goldenrod
  Solidago velutina ssp. sparsiflora (A. Gray) Semple -- accepted
  Solidago velutina ssp. velutina DC. -- accepted
  Solidago velutina var. nevadensis (A. Gray) C.E.S. Taylor & R.J. Taylor -- not accepted
  Solidago verna M.A. Curtis ex Torr. & A. Gray -- accepted -- springflowering goldenrod
  Solidago victorinii Fernald -- not accepted -- Victorin's goldenrod
  Solidago villosicarpa LeBlond -- accepted -- hairy-seed goldenrod
  Solidago virgauera var. arctica DC. -- not accepted
  Solidago wardii Britton -- not accepted
  Solidago wrightii A. Gray -- accepted -- Wright's goldenrod
  Solidago wrightii var. adenophora S.F. Blake -- not accepted -- Wright's goldenrod
  Solidago wrightii var. wrightii A. Gray -- not accepted -- Wright's goldenrod
  Solidago X asperula Desf. (pro sp.) -- accepted -- goldenrod
  Solidago X bartramiana Fernald (pro sp.) -- accepted
  Solidago X beaudryi B. Boivin -- accepted -- Beaudry's goldenrod
  Solidago X bernardii B. Boivin -- accepted
  Solidago X calcicola (Fernald) Fernald -- accepted -- limestone goldenrod
  Solidago X erskinei B. Boivin -- accepted -- Erskine's goldenrod
  Solidago X leiophallax Friesner -- not accepted
  Solidago X lutescens (Lindl. ex DC.) B. Boivin -- accepted
  Solidago X luteus (M.L. Green) Brouillet & Semple -- accepted -- goldenrod
  Solidago X maheuxii Boivin -- accepted
  Solidago X neurolepis Fernald (pro sp.) -- accepted -- Atlantic goldenrod
  Solidago X ovata Friesner (pro sp.) -- accepted -- goldenrod
  Solidago X raymondii Rouss. -- not accepted -- Raymond's goldenrod
  Solidago X ulmicaesia Friesner -- accepted -- goldenrod
  Solidago yadkinensis (Porter) Small -- not accepted
  Solidaster luteus (Everett) M.L. Green ex Dress -- not accepted
  Solidaster X luteus (Everett) M.L. Green ex Dress -- not accepted
  Symphyotrichum Nees -- accepted -- aster
  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 boreale (Torr. & A. Gray) A. Löve & D. Löve -- accepted -- northern bog 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 chapmanii (Torr. & A. Gray) Semple & Brouillet -- accepted -- savannah 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 (Lindl.) A. Löve & D. Löve -- accepted -- Lindley's 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 concolor var. devestitum (S.F. Blake) Semple -- accepted
  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 hesperium (A. Gray) Á. Löve & D. Löve -- not accepted
  Symphyotrichum jessicae (Piper) G.L. Nesom -- accepted -- Jessica's aster
  Symphyotrichum kralii G.L. Nesom -- accepted -- Kral's aster
  Symphyotrichum laeve (L.) Á. Löve & D. Löve -- accepted -- smooth blue 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. laeve (L.) Á. Löve & D. Löve -- accepted -- smooth blue 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 -- accepted -- white panicle aster
  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. lanceolatum (Willd.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lanceolatum var. latifolium (Semple & Chmiel.) G.L. Nesom -- accepted -- white panicle aster
  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve -- accepted -- calico 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. lateriflorum (L.) Á. Löve & D. Löve -- 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 nahanniense (Cody) Semple -- accepted -- Nahanni 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. crenifolium (Fernald) J. Labrecque & L. Brouillet -- accepted -- Newfoundland 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 novi-belgii var. villicaule (A. Gray) J. Labrecque & L. Brouillet -- accepted -- hairy New York aster
  Symphyotrichum oblongifolium (Nutt.) G.L. Nesom -- accepted -- aromatic aster
  Symphyotrichum ontarione (Wiegand) G.L. Nesom -- not accepted -- bottomland aster
  Symphyotrichum ontarione var. glabratum (Semple) L. Brouillet & Bouchard -- not accepted
  Symphyotrichum ontarionis (Wiegand) G.L. Nesom -- accepted -- bottomland aster, Ontario aster
  Symphyotrichum ontarionis var. glabratum (Semple) L. Brouillet & Bouchard -- 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 plumosum (Small) Semple -- accepted
  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 (L.) Á. Löve & D. Löve -- accepted -- purplestem aster
  Symphyotrichum puniceum var. calderi (Boivin) G.L. Nesom -- not accepted
  Symphyotrichum puniceum var. puniceum (L.) Á. Löve & D. Löve -- accepted -- purplestem aster
  Symphyotrichum puniceum var. scabricaule (Shinners) G.L. Nesom -- accepted -- purplestem aster
  Symphyotrichum pygmaeum (Lindl.) Brouillet & S. Selliah -- accepted -- pygmy 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 rhiannon Weakley & Govus -- accepted -- Rhiannon's aster
  Symphyotrichum robynsianum (Rouss.) L. Brouillet & Labrecque -- accepted -- longleaf 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 simplex (Willd.) A. Löve & D. Löve -- not accepted
  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. elongatum (Bosserdet ex A.G. Jones & Lowry) S.D. Sundb. -- accepted -- Bahaman aster
  Symphyotrichum subulatum var. ligulatum (Shinners) S.D. Sundb. -- accepted -- southern annual saltmarsh aster
  Symphyotrichum subulatum var. parviflorum (Nees) S.D. Sundb. -- accepted -- southwestern annual saltmarsh aster
  Symphyotrichum subulatum var. squamatum (Sprengel) S.D. Sundb. -- accepted -- southeastern annual saltmarsh aster
  Symphyotrichum subulatum var. subulatum (Michx.) G.L. Nesom -- accepted -- eastern annual saltmarsh aster
  Symphyotrichum tardiflorum (L.) Greuter, M.V. Agab. & Wagenitz (pro hybrid) -- not accepted
  Symphyotrichum tenuifolium (L.) G.L. Nesom -- accepted -- perennial saltmarsh aster
  Symphyotrichum tenuifolium var. aphyllum (R.W. Long) S.D. Sundb. -- accepted -- Brace's 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 tardiflorum (L.) Greuter, M.V. Agab. & Wagenitz -- 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
  Tripolium angustum Lindl. -- not accepted
  Tripolium frondosum Nutt. -- not accepted
  Tripolium occidentale Nutt. -- not accepted
  Tripolium oregonum Nutt. -- not accepted
  Tripolium subulatum var. parviflorum Nees -- not accepted
  Unamia alba (Nutt.) Rydb. -- not accepted
  Unamia lutescens (Lindl. ex DC.) Rydb. -- not accepted
  Virgulaster ascendens (Lindl.) Semple -- not accepted
  Virgulaster bernardinus (H.M. Hall) Semple -- not accepted
  Virgulus adnatus (Nutt.) Reveal & Keener -- not accepted
  Virgulus campestris (Nutt.) Reveal & Keener -- not accepted
  Virgulus concolor (L.) Reveal & Keener -- not accepted
  Virgulus ericoides (L.) Reveal & Keener -- not accepted
  Virgulus falcatus (Lindl.) Reveal & Keener -- not accepted
  Virgulus fendleri (A. Gray) Reveal & Keener -- not accepted
  Virgulus georgianus (Alexander) Semple -- not accepted
  Virgulus grandiflorus (L.) Reveal & Keener -- not accepted
  Virgulus novae-angliae (L.) Reveal & Keener -- not accepted
  Virgulus oblongifolius (Nutt.) Reveal & Keener -- not accepted
  Virgulus patens (Aiton) Reveal & Keener -- not accepted
  Virgulus patens var. georgianus (Alexander) Reveal & Keener -- not accepted
  Virgulus patens var. gracilis (Hook.) Reveal & Keener -- not accepted
  Virgulus patens var. patentissimus (Lindl. ex DC.) Reveal & Keener -- not accepted
  Virgulus patens var. phlogifolius (Muhl. ex Willd.) Reveal & Keener -- not accepted
  Virgulus pratensis (Raf.) Reveal & Keener -- not accepted
  Virgulus sericeus (Vent.) Reveal & Keener -- not accepted
  Virgulus walteri (Alexander) Reveal & Keener -- not accepted
  Virgulus X amethystinus (Nutt.) Reveal & Keener -- not accepted
  Virgulus yukonensis (Cronquist) Reveal & Keener -- not accepted
  X Solidaster H.R. Wehrh. -- not accepted
   

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