| Arten: |
| Symphyotrichum adnatum (Nutt.) G.L.Nesom |
| Symphyotrichum × amethystinum (Nutt.) G.L.Nesom |
| Symphyotrichum anomalum G.L.Nesom |
| Symphyotrichum anticostense (Fernald) G.L.Nesom |
| Symphyotrichum ascendens (Lindl.) G.L.Nesom |
| Symphyotrichum × batesii (Rydb.) G.L.Nesom |
| Symphyotrichum boreale (Torr. & A.Gray) Á.Löve & D.Löve |
| Symphyotrichum bullatum (Klatt) G.L.Nesom |
| Symphyotrichum burgessii (Britton) G.L.Nesom |
| Symphyotrichum campestre (Nutt.) G.L.Nesom |
| Symphyotrichum carnerosanum (S.Watson) G.L.Nesom |
| Symphyotrichum chapmanii (Torr. & A.Gray) Semple & Brouillet |
| Symphyotrichum chilense (Nees) G.L.Nesom |
| Symphyotrichum chilense var. medium (Jeps.) G.L.Nesom |
| Symphyotrichum ciliatum (Ledeb.) G.L.Nesom |
| Symphyotrichum ciliolatum (Lindl.) Á.Löve & D.Löve |
| Symphyotrichum × columbianum (Piper) G.L.Nesom |
| Symphyotrichum concolor (L.) G.L.Nesom |
| Symphyotrichum concolor var. concolor (L.) G.L.Nesom |
| Symphyotrichum concolor var. devestitum (S.F.Blake) Semple |
| Symphyotrichum cordifolium (L.) G.L.Nesom |
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| Symphyotrichum cusickii (A.Gray) G.L.Nesom |
| Symphyotrichum defoliatum (Parish) G.L.Nesom |
| Symphyotrichum depauperatum (Fernald) G.L.Nesom |
| Symphyotrichum divaricatum (Nutt.) G.L.Nesom |
| Symphyotrichum drummondii (Lindl.) G.L.Nesom |
| Symphyotrichum drummondii var. drummondii (Lindl.) G.L.Nesom |
| Symphyotrichum drummondii var. texanum (E.S.Burgess) G.L.Nesom |
| Symphyotrichum dumosum (L.) G.L.Nesom |
| Symphyotrichum dumosum var. dumosum (L.) G.L.Nesom |
| Symphyotrichum dumosum var. gracilipes (Wiegand) G.L.Nesom |
| Symphyotrichum dumosum var. pergracile (Wiegand) G.L.Nesom |
| Symphyotrichum dumosum var. strictior (Torr. & A.Gray) G.L.Nesom |
| Symphyotrichum dumosum var. subulifolium (Torr. & A.Gray) G.L.Nesom |
| Symphyotrichum eatonii (A.Gray) G.L.Nesom |
| Symphyotrichum elliottii (Torr. & A.Gray) G.L.Nesom |
| Symphyotrichum ericoides (L.) G.L.Nesom |
| Symphyotrichum ericoides var. ericoides (L.) G.L.Nesom |
| Symphyotrichum ericoides var. pansum (S.F.Blake) G.L.Nesom |
| Symphyotrichum eulae (Shinners) G.L.Nesom |
| Symphyotrichum expansum (Poepp. ex Spreng.) G.L.Nesom |
| Symphyotrichum falcatum (Lindl. ex Lindl.) G.L.Nesom |
| Symphyotrichum falcatum var. commutatum (Torr. & A.Gray) G.L.Nesom |
| Symphyotrichum falcatum var. falcatum (Lindl.) G.L.Nesom |
| Symphyotrichum fendleri (A.Gray) G.L.Nesom |
| Symphyotrichum × finkii (Rydb.) G.L.Nesom |
| Symphyotrichum firmum (Nees) G.L.Nesom |
| Symphyotrichum foliaceum (Lindl. ex DC.) G.L.Nesom |
| Symphyotrichum foliaceum var. apricum (A.Gray) G.L.Nesom |
| Symphyotrichum foliaceum var. canbyi (A.Gray) G.L.Nesom |
| Symphyotrichum foliaceum var. foliaceum (Lindl. ex DC.) G.L.Nesom |
| Symphyotrichum foliaceum var. parryi (D.C.Eaton) G.L.Nesom |
| Symphyotrichum fontinale (Alexander) G.L.Nesom |
| Symphyotrichum frondosum (Nutt.) G.L.Nesom |
| Symphyotrichum georgianum (Alexander) G.L.Nesom |
| Symphyotrichum glabrifolium (DC.) G.L.Nesom |
| Symphyotrichum graminifolium (Spreng.) G.L.Nesom |
| Symphyotrichum grandiflorum (L.) G.L.Nesom |
| Symphyotrichum × gravesii (E.S.Burgess ex Burgess) G.L.Nesom |
| Symphyotrichum greatae (Parish) G.L.Nesom |
| Symphyotrichum gypsophilum (B.L.Turner) G.L.Nesom |
| Symphyotrichum hallii (A.Gray) G.L.Nesom |
| Symphyotrichum hendersonii (Fernald) G.L.Nesom |
| Symphyotrichum hesperium (A.Gray) Á.Löve & D.Löve |
| Symphyotrichum hintonii (G.L.Nesom) G.L.Nesom |
| Symphyotrichum jessicae (Piper) G.L.Nesom |
| Symphyotrichum kralii G.L.Nesom |
| Symphyotrichum laeve (L.) Á.Löve & D.Löve |
| Symphyotrichum laeve var. concinnum (Willd.) G.L.Nesom |
| Symphyotrichum laeve var. geyeri (A.Gray) G.L.Nesom |
| Symphyotrichum laeve var. laeve (L.) Á.Löve & D.Löve |
| Symphyotrichum laeve var. purpuratum (Nees) G.L.Nesom |
| Symphyotrichum lanceolatum (Willd.) G.L.Nesom |
| Symphyotrichum lanceolatum var. hesperium (A.Gray) G.L.Nesom |
| Symphyotrichum lanceolatum subsp. hesperius |
| Symphyotrichum lanceolatum var. hirsuticaule (Semple & Chmiel.) G.L.Nesom |
| Symphyotrichum lanceolatum var. interior (Wiegand) G.L.Nesom |
| Symphyotrichum lanceolatum var. lanceolatum (Willd.) G.L.Nesom |
| Symphyotrichum lanceolatum var. latifolium (Semple & Chmiel.) G.L.Nesom |
| Symphyotrichum lateriflorum (L.) Á.Löve & D.Löve |
| Symphyotrichum lateriflorum var. angustifolium (Wiegand) G.L.Nesom |
| Symphyotrichum lateriflorum var. flagellare (Shinners) G.L.Nesom |
| Symphyotrichum lateriflorum var. horizontale (Desf.) G.L.Nesom |
| Symphyotrichum lateriflorum var. lateriflorum (L.) Á.Löve & D.Löve |
| Symphyotrichum lateriflorum var. spatelliforme G.L.Nesom |
| Symphyotrichum lateriflorum var. tenuipes (Wiegand) G.L.Nesom |
| Symphyotrichum laurentianum (Fernald) G.L.Nesom |
| Symphyotrichum lentum (Greene) G.L.Nesom |
| Symphyotrichum leone (Britton) G.L.Nesom |
| Symphyotrichum × longulum (E.Sheld.) G.L.Nesom |
| Symphyotrichum lucayanum (Britton) G.L.Nesom |
| Symphyotrichum martii (Baker) G.L.Nesom |
| Symphyotrichum molle (Rydb.) G.L.Nesom |
| Symphyotrichum moranense (Kunth) G.L.Nesom |
| Symphyotrichum nahanniense (Cody) Semple |
| Symphyotrichum novae-angliae (L.) G.L.Nesom |
| Symphyotrichum novi-belgii (L.) G.L.Nesom |
| Symphyotrichum novi-belgii var. crenifolium (Fernald) Labrecque & Brouillet |
| Symphyotrichum novi-belgii var. elodes (Torr. & A.Gray) G.L.Nesom |
| Symphyotrichum novi-belgii var. novi-belgii (L.) |
| Symphyotrichum novi-belgii var. tardifolium |
| Symphyotrichum novi-belgii var. villicaule (A.Gray) Labrecque & Brouillet |
| Symphyotrichum oblongifolium (Nutt.) G.L.Nesom |
| Symphyotrichum ontarionis (Wiegand) G.L.Nesom |
| Symphyotrichum ontarionis var. glabratum (Semple) |
| Symphyotrichum oolentangiense (Riddell) G.L.Nesom |
| Symphyotrichum parviceps (E.S.Burgess) G.L.Nesom |
| Symphyotrichum parviflorum (Nees) Greuter |
| Symphyotrichum patagonicum (Cabrera) G.L.Nesom |
| Symphyotrichum patens (Aiton) G.L.Nesom |
| Symphyotrichum patens var. gracile (Hook.) G.L.Nesom |
| Symphyotrichum patens var. patens (Aiton) G.L.Nesom |
| Symphyotrichum patens var. patentissimum (Lindl. ex DC.) G.L.Nesom |
| Symphyotrichum patulum (Lam.) Karlsson |
| Symphyotrichum peteroanum (Phil.) G.L.Nesom |
| Symphyotrichum phlogifolium (Muhl. ex Willd.) G.L.Nesom |
| Symphyotrichum pilosum (Willd.) G.L.Nesom |
| Symphyotrichum pilosum var. pilosum (Willd.) G.L.Nesom |
| Symphyotrichum pilosum var. pringlei (A.Gray) G.L.Nesom |
| Symphyotrichum plumosum (Small) Semple |
| Symphyotrichum porteri (A.Gray) G.L.Nesom |
| Symphyotrichum potosinum (A.Gray) G.L.Nesom |
| Symphyotrichum pratense (Raf.) G.L.Nesom |
| Symphyotrichum prenanthoides (Muhl. ex Willd.) G.L.Nesom |
| Symphyotrichum priceae (Britton) G.L.Nesom |
| Symphyotrichum puniceum (L.) Á.Löve & D.Löve |
| Symphyotrichum puniceum var. puniceum (L.) Á.Löve & D.Löve |
| Symphyotrichum puniceum var. scabricaule (Shinners) G.L.Nesom |
| Symphyotrichum pygmaeum (Lindl.) Brouillet & Selliah |
| Symphyotrichum racemosum (Elliott) G.L.Nesom |
| Symphyotrichum regnellii (Baker) G.L.Nesom |
| Symphyotrichum retroflexum (Lindl. ex DC.) G.L.Nesom |
| Symphyotrichum robynsianum (J.Rousseau) Brouillet & Labrecque |
| Symphyotrichum × salignum (Willd.) G.L.Nesom |
| Symphyotrichum sericeum (Vent.) G.L.Nesom |
| Symphyotrichum shortii (Lindl.) G.L.Nesom |
| Symphyotrichum simmondsii (Small) G.L.Nesom |
| Symphyotrichum spathulatum (Lindl.) G.L.Nesom |
| Symphyotrichum spathulatum var. intermedium (A.Gray) G.L.Nesom |
| Symphyotrichum spathulatum var. spathulatum (Lindl.) G.L.Nesom |
| Symphyotrichum spathulatum var. yosemitanum (A.Gray) G.L.Nesom |
| Symphyotrichum squamatum (Spreng.) G.L.Nesom |
| Symphyotrichum subgeminatum (Fernald) G.L.Nesom |
| Symphyotrichum subspicatum (Nees) G.L.Nesom |
| Symphyotrichum subulatus Michx. |
| Symphyotrichum × tardiflorum (L.) |
| Symphyotrichum tenuifolium (L.) G.L.Nesom |
| Symphyotrichum tradescantii (L.) G.L.Nesom |
| Symphyotrichum trilineatum (Sch.Bip. ex Klatt) G.L.Nesom |
| Symphyotrichum turbinellum (Lindl.) G.L.Nesom |
| Symphyotrichum undulatum (L.) G.L.Nesom |
| Symphyotrichum urophyllum (Lindl. ex DC.) G.L.Nesom |
| Symphyotrichum vahlii (Gaudich.) G.L.Nesom |
| Symphyotrichum vahlii var. vahlii (Gaudich.) G.L.Nesom |
| Symphyotrichum × versicolor (Willd.) G.L.Nesom |
| Symphyotrichum walteri (Alexander) G.L.Nesom |
| Symphyotrichum welshii (Cronquist) G.L.Nesom |
| Symphyotrichum × woldenii (Rydb.) G.L.Nesom |
| Symphyotrichum yukonense (Cronquist) G.L.Nesom |