| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Superorder | Asteranae |
| Order | Asterales |
| Family | Asteraceae |
| Subfamily | Asteroideae |
| Tribe | Astereae |
| Genus | Symphyotrichum |
| Subgenus | Symphyotrichum subg. Ascendentes |
| Species | Symphyotrichum ascendens |
| Subgenus | Symphyotrichum subg. Astropolium |
| Species | Symphyotrichum subulatum |
| Subgenus | Symphyotrichum subg. Symphyotrichum |
| Section | Symphyotrichum sect. Conyzopsis |
| Species | Symphyotrichum ciliatum |
| Species | Symphyotrichum frondosum |
| Species | Symphyotrichum laurentianum |
| Section | Symphyotrichum sect. Occidentales |
| Species | Symphyotrichum bracteolatum |
| Species | Symphyotrichum chilense |
| Species | Symphyotrichum cusickii |
| Species | Symphyotrichum foliaceum |
| Species | Symphyotrichum hallii |
| Species | Symphyotrichum hendersonii |
| Species | Symphyotrichum spathulatum |
| Species | Symphyotrichum subspicatum |
| Species | Symphyotrichum ×columbianum |
| Section | Symphyotrichum sect. Symphyotrichum |
| Species | Symphyotrichum anticostense |
| Species | Symphyotrichum anticostense × Symphyotrichum novi-belgii var. novi-belgii |
| Species | Symphyotrichum boreale |
| Species | Symphyotrichum ciliolatum |
| Species | Symphyotrichum ciliolatum × Symphyotrichum laeve |
| Species | Symphyotrichum ciliolatum × Symphyotrichum lanceolatum subsp. lanceolatum var. lanceolatum |
| Species | Symphyotrichum cordifolium |
| Species | Symphyotrichum cordifolium × Symphyotrichum lanceolatum subsp. lanceolatum |
| Species | Symphyotrichum cordifolium × Symphyotrichum novi-belgii var. novi-belgii |
| Species | Symphyotrichum cordifolium × Symphyotrichum ontarionis |
| Species | Symphyotrichum cordifolium × Symphyotrichum pilosum var. pilosum |
| Species | Symphyotrichum dumosum |
| Species | Symphyotrichum firmum |
| Species | Symphyotrichum laeve |
| Species | Symphyotrichum laeve var. laeve × Symphyotrichum lanceolatum subsp. lanceolatum var. lanceolatum |
| Species | Symphyotrichum laeve var. laeve × Symphyotrichum lateriflorum |
| Species | Symphyotrichum lanceolatum |
| Species | Symphyotrichum lanceolatum subsp. lanceolatum var. lanceolatum × Symphyotrichum novi-belgii var. novi-belgii |
| Species | Symphyotrichum lanceolatum subsp. lanceolatum var. lanceolatum × Symphyotrichum puniceum var. puniceum |
| Species | Symphyotrichum lanceolatum subsp. lanceolatum × Symphyotrichum lateriflorum |
| Species | Symphyotrichum lateriflorum |
| Species | Symphyotrichum lateriflorum × Symphyotrichum novi-belgii var. novi-belgii |
| Species | Symphyotrichum lateriflorum × Symphyotrichum puniceum var. puniceum |
| Species | Symphyotrichum lateriflorum × Symphyotrichum urophyllum |
| Species | Symphyotrichum novi-belgii |
| Species | Symphyotrichum ontarionis |
| Species | Symphyotrichum oolantengiense × Symphyotrichum pilosum var. pilosum |
| Species | Symphyotrichum oolentangiense |
| Species | Symphyotrichum parviceps |
| Species | Symphyotrichum pilosum |
| Species | Symphyotrichum praealtum |
| Species | Symphyotrichum prenanthoides |
| Species | Symphyotrichum puniceum |
| Species | Symphyotrichum puniceum var. puniceum × Symphyotrichum urophyllum |
| Species | Symphyotrichum racemosum |
| Species | Symphyotrichum robynsianum |
| Species | Symphyotrichum shortii |
| Species | Symphyotrichum tradescantii |
| Species | Symphyotrichum undulatum |
| Species | Symphyotrichum urophyllum |
| Species | Symphyotrichum ×subgeminatum |
| Species | Symphyotrichum ×tardiflorum |
| Subgenus | Symphyotrichum subg. Virgulus |
| Species | Symphyotrichum campestre |
| Species | Symphyotrichum ericoides |
| Species | Symphyotrichum falcatum |
| Species | Symphyotrichum nahanniense |
| Species | Symphyotrichum novae-angliae |
| Species | Symphyotrichum patens |
| Species | Symphyotrichum pygmaeum |
| Species | Symphyotrichum sericeum |
| Species | Symphyotrichum yukonense |
| Species | Symphyotrichum ×amethystinum |
