Brewer's Aster

Eucephalus breweri

Engelmann's Aster

Eucephalus engelmannii

Siskiyou Aster

Eucephalus glabratus

Cascade Aster

Eucephalus ledophyllus

Eucephalus ledophyllus var. covillei

Brickellbush Aster

Eucephalus tomentellus

Formerly Aster Integrifolius

Eurybia integrifolia

Rough Leaved Aster

Eurybia radulina