Asteraceae
Aster radulinus
rough-leaved aster
Aster subspicatus
Douglas's aster
Columbiadoria hallii
Hall's goldenweed
Madia minima
small-headed tarweed
Madia glomerata
clustered tarweed
Arnica amplexicaulis
streambank arnica
Arnica diversifolia
sticky arnica
Packera macounii
Macoun's groundsel
Packera streptanthifolia
Rocky Mountain butterweed
Antennaria racemosa
racemose pussytoes
Gnaphalium palustre
lowland cudweed
Gnaphalium uliginosum
marsh cudweed
Antennaria howellii
Howell's pussytoes
Arnica parryi
nodding arnica
Artemisia absinthium
wormwood
Centaurea biebersteinii
spotted knapweed
Centaurea diffusa
diffuse knapweed
Erigeron flettii
Olympic Mountain fleabane
Madia gracilis
slender tarweed
Packera flettii
Flett's groundsel