Other links

• Symphyotrichum – Genus of flowering plants in the family Asteraceae
• Alphabetical
• Wikipedia List of Symphyotrichum species

Symphyotrichum genus by subgenera

subg. Symphyotrichum

sect. Symphyotrichum

subsect. Symphyotrichum

series Symphyotrichum

• Symphyotrichum anticostense ( Fernald) G.L.Nesom
• Symphyotrichum novi-belgii ( L.) G.L.Nesom
• Symphyotrichum retroflexum ( Lindl.) G.L.Nesom
• Symphyotrichum robynsianum ( J.Rousseau) Brouillet & Labrecque

series Punicei ( House) Semple

• Symphyotrichum elliottii ( Torr. & A.Gray) G.L.Nesom
• Symphyotrichum firmum ( Nees) G.L.Nesom
• Symphyotrichum prenanthoides ( Muhl. ex Willd.) G.L.Nesom
• Symphyotrichum rhiannon Weakley & Govus
• Symphyotrichum puniceum ( L.) Á.Löve & D.Löve

subsect. Heterophylli ( Nees) Semple

series Cordifolii ( G.Don in Loudon) Semple

• Symphyotrichum anomalum ( Engelm.) G.L.Nesom
• Symphyotrichum ciliolatum ( Lindl.) Á.Löve & D.Löve
• Symphyotrichum cordifolium ( L.) G.L.Nesom — heartleaf aster, common blue wood aster
• Symphyotrichum drummondii ( Lindl.) G.L.Nesom
• Symphyotrichum shortii ( Lindl.) G.L.Nesom
• Symphyotrichum undulatum ( L.) G.L.Nesom
• Symphyotrichum urophyllum ( DC.) G.L.Nesom — white arrowleaf aster

series Concinni ( Nees) Semple

• Symphyotrichum laeve ( L.) Á.Löve & D.Löve
• Symphyotrichum oolentangiense ( Riddell) G.L.Nesom

subsect. Dumosi ( Torr. & A.Gray) G.L.Nesom, Phytologia 77: 269 (1995)

• Symphyotrichum boreale ( Torr. & A.Gray) Á.Löve & D.Löve
• Symphyotrichum bullatum ( Klatt) G.L.Nesom
• Symphyotrichum burgessii ( Britton) G.L.Nesom
• Symphyotrichum carnerosanum ( S.Watson) G.L.Nesom
• Symphyotrichum dumosum ( L.) G.L.Nesom
• Symphyotrichum eulae ( Shinners) G.L.Nesom
• Symphyotrichum lanceolatum ( Willd.) G.L.Nesom
• Symphyotrichum lateriflorum ( L.) Á.Löve & D.Löve
• Symphyotrichum leone ( Britton) G.L.Nesom
• Symphyotrichum nahanniense ( Cody) Semple
• Symphyotrichum ontarionis ( Wiegand) G.L.Nesom
• Symphyotrichum praealtum ( Poir.) G.L.Nesom
• Symphyotrichum racemosum ( Elliot) G.L.Nesom
• Symphyotrichum schaffneri ( Sch.Bip. ex S.D.Sundb. & A.G.Jones) G.L.Nesom
• Symphyotrichum simmondsii ( Small) G.L.Nesom
• Symphyotrichum tradescantii ( L.) G.L.Nesom
• Symphyotrichum welshii ( Cronquist) G.L.Nesom

subsect. Porteriani ( Rydb.) G.L.Nesom

• Symphyotrichum depauperatum ( Fernald) G.L.Nesom — serpentine aster
• Symphyotrichum parviceps ( E.S.Burgess) G.L.Nesom
• Symphyotrichum pilosum ( Willd.) G.L.Nesom
• Symphyotrichum porteri ( A.Gray) G.L.Nesom — smooth white aster
• Symphyotrichum priceae ( Britton) G.L.Nesom, Phytologia 77(3): 290 (1995) is treated as Symphyotrichum kentuckiense ( Britton) Medley by Semple 10 and as S. priceae in FNA. 11.
  • Medley, M.E. 2021. "Aster priceae and A. kentuckiensis (Asteraceae): Nomenclatural history and a new binomial for Price’s aster." (PDF) Phytoneuron 2021-18: 1–3.

sect. Conyzopsis (Torr. & A.Gray) G.L.Nesom, Phytologia 77(3): 271 (1995)

• Symphyotrichum ciliatum ( Ledeb.) G.L.Nesom
• Symphyotrichum frondosum ( Nutt.) G.L.Nesom
• Symphyotrichum laurentianum ( Fernald) G.L.Nesom

sect. Occidentales ( Rydb.) G.L.Nesom, Phytologia 77(3): 271 (1995) — Foliacei Asters

• Symphyotrichum chilense ( Nees) G.L.Nesom
• Symphyotrichum eatonii ( A.Gray) G.L.Nesom
• Symphyotrichum foliaceum ( Lindl. ex DC.) G.L.Nesom
• Symphyotrichum greatae ( Parish) G.L.Nesom
• Symphyotrichum hallii ( A.Gray) G.L.Nesom
• Symphyotrichum hendersonii ( Fernald) G.L.Nesom
• Symphyotrichum jessicae ( Piper) G.L.Nesom
• Symphyotrichum lentum ( Greene) G.L.Nesom
• Symphyotrichum molle ( Rydb.) G.L.Nesom
• Symphyotrichum spathulatum ( Lindl.) G.L.Nesom
• Symphyotrichum subspicatum ( Nees) G.L.Nesom

sect. Turbinelli (Rydb.) Semple

• Symphyotrichum turbinellum ( Lindl.) G.L.Nesom

subg. Ascendentes (Rydb.) Semple, Univ. Waterloo Biol. Ser. 41: 133 (2002) — Allopolyploid Asters

• Symphyotrichum ascendens ( Lindl.) G.L.Nesom — western aster
• Symphyotrichum defoliatum ( Parish) G.L.Nesom — San Bernardino aster

subg. Virgulus ( Raf.) G.L.Nesom, Phytologia 77(3): 272 (1995) — Virguloid Asters

sect. Concolores ( Torr. & A.Gray) G.L.Nesom, Phytologia 77(3): 275 (1995)

• Symphyotrichum concolor ( L.) G.L.Nesom
• Symphyotrichum lucayanum ( Britton) G.L.Nesom
• Symphyotrichum plumosum ( Small) Semple
• Symphyotrichum pratense ( Raf.) G.L.Nesom
• Symphyotrichum sericeum ( Vent.) G.L.Nesom

sect. Grandiflori ( Torr. & A.Gray) G.L.Nesom, Phytologia 77: 273 (1995)

subsect. Grandiflori ( Torr. & A.Gray) G.L.Nesom

• Symphyotrichum campestre ( Nutt.) G.L.Nesom
• Symphyotrichum estesii Semple — May Prairie Aster, Estes's Aster at UWaterloo.ca
• Symphyotrichum fendleri ( A.Gray) G.L.Nesom
• Symphyotrichum fontinale ( Alexander) G.L.Nesom — Florida water aster at UWaterloo.ca
• Symphyotrichum grandiflorum ( L.) G.L.Nesom
• Symphyotrichum oblongifolium ( Nutt.) G.L.Nesom
• Symphyotrichum pygmaeum ( Lindl.) Brouillet & Selliah
• Symphyotrichum yukonense ( Cronquist) G.L.Nesom

sect. Patentes ( Torr. & A.Gray) G.L.Nesom, Phytologia 77(3): 274 (1995)

subsect. Patentes

• Symphyotrichum georgianum ( Alexander) G.L.Nesom
• Symphyotrichum patens ( Aiton) G.L.Nesom
• Symphyotrichum phlogifolium ( Muhl. ex Willd.) G.L.Nesom

subsect. Brachyphylli ( Torr. & A.Gray) G.L.Nesom, Phytologia 77: 274 (1995)

• Symphyotrichum adnatum ( Nutt.) G.L.Nesom
• Symphyotrichum walteri ( Alexander) G.L.Nesom

sect. Polyliguli ( Semple & Brouillet) Semple, Univ. Waterloo Biol. Ser. 41: 133 (2002)

• Symphyotrichum novae-angliae ( L.) G.L.Nesom

Symphyotrichum × amethystinum ( Nutt.) G.L.Nesom

sect. Ericoidei ( Torr. & A.Gray) G.L.Nesom, Phytologia 77: 274 (1995)

• Symphyotrichum ericoides ( L.) G.L.Nesom
• Symphyotrichum falcatum ( Lindl.) G.L.Nesom

Virgulus notes

• According to Semple, the following Mexican species may not belong in the genus. 3 However, they were accepted on COL and POWO as of 22 June 2021.
  • Symphyotrichum hintonii ( G.L.Nesom) G.L.Nesom - is accepted on COL 4 and POWO 5
  • Symphyotrichum moranense ( Kunth) G.L.Nesom - is accepted on COL 6 and POWO 7
  • Symphyotrichum trilineatum ( Sch.Bip. ex Klatt) G.L.Nesom - is accepted on COL 8 and POWO 9. See below regarding Nesom's synonymization to S. purpurascens in Phytoneuron 2018-38: 4 (2018).
• The following four species were defined by Nesom to put in the "Moranense group":
  • Symphyotrichum bimater ( Standl. & Steyerm.) G.L.Nesom, Phytoneuron 2018-38: 6 (2018)
  • Symphyotrichum chihuahuense G.L.Nesom, Phytoneuron 2018-38: 5 (2018)
  • Symphyotrichum purpurascens ( Sch.Bip.) G.L.Nesom, Phytoneuron 2018-38: 4 (2018)
    • Nesom synonymized S. trilineatum to S. purpurascens.
  • Symphyotrichum turneri ( S.D.Sundb. & A.G.Jones) G.L.Nesom, Phytoneuron 2018-38: 3 (2018)

• The following Mexican species was moved to genus Sanrobertia in 2018 by Nesom:
  • Symphyotrichum gypsophilum (a redirect link) - as of 2018, is Sanrobertia gypsophila ( B.L.Turner) G.L.Nesom, Phytoneuron 2018-25: 1. 2018 1, 2

subg. Astropolium (Nutt.) Semple, Univ. Waterloo Biol. Ser. 41: 133 (2002)

• Symphyotrichum glabrifolium ( DC.) G.L.Nesom
• Symphyotrichum graminifolium ( Spreng.) G.L.Nesom
• Symphyotrichum martii ( Baker) G.L.Nesom
• Symphyotrichum patagonicum ( Cabrera) G.L.Nesom
• Symphyotrichum peteroanum ( Phil.) G.L.Nesom
• Symphyotrichum potosinum ( A.Gray) G.L.Nesom
• Symphyotrichum regnellii ( Baker) G.L.Nesom
• Symphyotrichum subulatum ( Michx.) G.L.Nesom — eastern annual saltmarsh aster
• Symphyotrichum tenuifolium ( L.) G.L.Nesom — perennial saltmarsh aster
• Symphyotrichum vahlii ( Gaudich.) G.L.Nesom

subg. Chapmaniana (Semple) Semple, Univ. Waterloo Biol. Ser. 41: 133 (2002) (2002)

• Symphyotrichum chapmanii ( Torr. & A.Gray) Semple & Brouillet