Eurybia schreberi is a perennial herb 20-120 cm tall, like Aster macrophyllus but inflorescence stems not glandular.
Leaves: sinus at leaf base rather rectangular.
Flowers: ray flowers white, 6-14, bracteate base of flower head 0.5-1 cm long, usually narrower than A. macrophyllus.
Fruit dry, 1-seeded, achene, with tuft of hairs (pappus), wind dispersed
Wetland status: UPL.
Frequency in NYC: Very infrequent. Rare (NYS S2 U).
Habitat: Forest understories.