Rayless Daisy

Erigeron aphanactis

Erigeron aphanactis var. aphanactis

Scabland Fleabane

Erigeron bloomeri

Scabland Fleabane

Erigeron bloomeri var. bloomeri

Horseweed

Erigeron canadensis

Spreading Fleabane

Erigeron divergens

Eaton's Daisy

Erigeron eatonii

Eaton's Fleabane

Erigeron eatonii var. plantagineus

Eaton's Fleabane

Erigeron eatonii var. sonnei

Thread Leaved Daisy

Erigeron filifolius

Subalpine Fleabane

Erigeron glacialis

Wandering Daisy

Erigeron glacialis var. glacialis

California Rayless Daisy

Erigeron inornatus

Erigeron inornatus var. inornatus

Mount Lassen Fleabane

Erigeron lassenianus

Mt. Lassen Fleabane

Erigeron lassenianus var. lassenianus

Narrow Leaved Fleabane

Erigeron linearis

Shaggy Fleabane

Erigeron pumilus

Shaggy Fleabane

Erigeron pumilus var. intermedius

Long Leaved Aster

Symphyotrichum ascendens

Eaton's Aster

Symphyotrichum bracteolatum

Western Meadow Aster

Symphyotrichum campestre

Short-rayed Alkali Aster

Symphyotrichum frondosum

Western Mountain Aster

Symphyotrichum spathulatum

Western Mountain Aster

Symphyotrichum spathulatum var. spathulatum

Eastern Annual Saltmarsh Aster

Symphyotrichum subulatum

Saltmarsh Aster

Symphyotrichum subulatum var. parviflorum