Aster (Symphyotrichum)
Every species of the genus Symphyotrichum in the catalogue.
- Blue wood aster (Symphyotrichum cordifolium)
- Scaleleaf aster (Symphyotrichum adnatum)
- Manyray aster (Symphyotrichum anomalum)
- Anticosti Island aster (Symphyotrichum anticostense)
- Western aster (Symphyotrichum ascendens)
- Northern bog aster (Symphyotrichum boreale)
- Western meadow aster (Symphyotrichum campestre)
- Pacific aster (Symphyotrichum chilense)
- Rayless alkali aster (Symphyotrichum ciliatum)
- Lindley's aster (Symphyotrichum ciliolatum)
- Eastern silver aster (Symphyotrichum concolor)
- San Bernardino aster (Symphyotrichum defoliatum)
- Drummond's aster (Symphyotrichum drummondii)
- Rice button aster (Symphyotrichum dumosum)
- Eaton's aster (Symphyotrichum bracteolatum)
- Elliott's aster (Symphyotrichum elliottii)
- White heath aster (Symphyotrichum ericoides)
- Texas aster (Symphyotrichum eulae)
- White prairie aster (Symphyotrichum falcatum)
- Fendler's aster (Symphyotrichum fendleri)
- Alpine leafybract aster (Symphyotrichum foliaceum)
- Florida water aster (Symphyotrichum fontinale)
- Short-rayed alkali aster (Symphyotrichum frondosum)
- Georgia aster (Symphyotrichum georgianum)
- Largeflower aster (Symphyotrichum grandiflorum)
- Greata's aster (Symphyotrichum greatae)
- Hall's aster (Symphyotrichum hallii)
- Lyall aster (Symphyotrichum hendersonii)
- Jessica's aster (Symphyotrichum jessicae)
- Smooth blue aster (Symphyotrichum laeve)
- White panicle aster (Symphyotrichum lanceolatum)
- Calico aster (Symphyotrichum lateriflorum)
- Gulf of St. Lawrence aster (Symphyotrichum laurentianum)
- Suisun Marsh aster (Symphyotrichum lentum)
- Soft aster (Symphyotrichum molle)
- New England aster (Symphyotrichum novae-angliae)
- New York aster (Symphyotrichum novi-belgii)
- Aromatic aster (Symphyotrichum oblongifolium)
- Bottomland aster (Symphyotrichum ontarionis)
- Skyblue aster (Symphyotrichum oolentangiense)
- Smallhead aster (Symphyotrichum parviceps)
- Late purple aster (Symphyotrichum patens)
- Thinleaf late purple aster (Symphyotrichum phlogifolium)
- Hairy white oldfield aster (Symphyotrichum pilosum)
- Smooth white aster (Symphyotrichum porteri)
- Santa Rita Mountain aster (Symphyotrichum potosinum)
- Willowleaf aster (Symphyotrichum praealtum)
- Barrens silky aster (Symphyotrichum pratense)
- Crookedstem aster (Symphyotrichum prenanthoides)
- Lavender oldfield aster (Symphyotrichum priceae)
- Purplestem aster (Symphyotrichum puniceum)
- Pygmy aster (Symphyotrichum pygmaeum)
- Smooth white oldfield aster (Symphyotrichum racemosum)
- Rigid whitetop aster (Symphyotrichum retroflexum)
- Rhiannon's aster (Symphyotrichum rhiannon)
- Longleaf aster (Symphyotrichum robynsianum)
- Western silver aster (Symphyotrichum sericeum)
- Short's aster (Symphyotrichum shortii)
- Simmonds' aster (Symphyotrichum simmondsii)
- Douglas aster (Symphyotrichum subspicatum)
- Eastern annual saltmarsh aster (Symphyotrichum subulatum)
- Perennial saltmarsh aster (Symphyotrichum tenuifolium)
- Shore aster (Symphyotrichum tradescantii)
- Smooth violet prairie aster (Symphyotrichum turbinellum)
- Wavyleaf aster (Symphyotrichum undulatum)
- White arrowleaf aster (Symphyotrichum urophyllum)
- Walter's aster (Symphyotrichum walteri)
- Welsh's aster (Symphyotrichum welshii)
- Yukon aster (Symphyotrichum yukonense)