PlantQuest Species List for Adams County, Washington

Scientific Name
(* = Introduced)
Family Common Name Habitat Bloom Period
Allium douglasii Amaryllidaceae Douglas' onion eastern forest; shrub-steppe May, Jun, Jul
Allium robinsonii Amaryllidaceae Robinson's onion shrub-steppe Apr, May
Astragalus inflexus Fabaceae bent milk-vetch; hairy milk-vetch eastern forest; shrub-steppe Apr, May, Jun, Jul
Astragalus purshii var. glareosus Fabaceae woolly-pod milk-vetch Apr, May, Jun
Astragalus succumbens Fabaceae crouching milk-vetch; sprawling milk-vetch eastern forest; shrub-steppe Apr, May, Jun
Chenopodium album * Amaranthaceae lambsquarters; pigweed disturbed areas Jun, Jul, Aug, Sep
Comandra umbellata ssp. pallida Santalaceae bastard toad flax
Cryptantha pterocarya Boraginaceae wingnut cryptantha shrub-steppe Apr, May, Jun
Cystopteris fragilis Cystopteridaceae bladder fern; brittle fern; fragile fern western forest; eastern forest; subalpine or alpine; shrub-steppe [no flowers]
Deschampsia danthonioides Poaceae annual hairgrass shrub-steppe; freshwater May
Eleocharis acicularis Cyperaceae needle spikerush freshwater; disturbed areas Jun, Jul, Aug, Sep
Gaillardia aristata Asteraceae blanket flower; great-flowered gaillardia eastern forest; shrub-steppe May, Jun, Jul, Aug, Sep
Geranium viscosissimum Geraniaceae sticky purple crane's-bill; sticky purple geranium eastern forest; subalpine or alpine; shrub-steppe May, Jun, Jul, Aug
Geum triflorum Rosaceae prairie smoke; old-man's whiskers eastern forest; subalpine or alpine; prairie or bald; shrub-steppe Apr, May, Jun, Jul, Aug
Grayia spinosa Amaranthaceae spiny hopsage shrub-steppe Apr, May, Jun
Hordeum brachyantherum Poaceae meadow barley subalpine or alpine; saltwater shores; disturbed areas Jun, Jul, Aug
Hydrophyllum capitatum Hydrophyllaceae wool breeches; ballhead waterleaf eastern forest; subalpine or alpine; shrub-steppe Mar, Apr, May, Jun, Jul
Idahoa scapigera Brassicaceae flatpod; scalepod shrub-steppe Mar, Apr, May
Ladeania lanceolata Fabaceae wild lemonweed; lance-leaf scurfpea; lemon scurf-pea shrub-steppe Apr, May, Jun, Sep, Oct
Lepidium densiflorum Brassicaceae common peppergrass; elongate peppergrass; hairy-fruited peppergrass; large-fruited peppergrass; prairie peppergrass eastern forest; prairie or bald; shrub-steppe Apr, May, Jun
Lomatium canbyi Apiaceae Canby's biscuit-root; chucklusa; Canby's desert-parsley shrub-steppe Mar, Apr
Mahonia repens Berberidaceae creeping Oregon-grape; low Oregon-grape western forest; eastern forest; shrub-steppe Mar, Apr, May, Jun
Marsilea vestita Marsileaceae hairy clover-fern; pepperwort; water-clover pepperwort freshwater [no flowers]
Mentzelia laevicaulis var. laevicaulis Loasaceae blazing star mentzelia; common blazing-star eastern forest; shrub-steppe Jul, Aug, Sep
Olsynium douglasii var. inflatum Iridaceae grass-widow; purple-eyed grass-widow eastern forest; shrub-steppe Mar, Apr, May, Jun, Nov-Feb
Penstemon acuminatus Plantaginaceae sand dune penstemon; sharp-leaved penstemon shrub-steppe Apr, May, Jun
Phlox speciosa Polemoniaceae showy phlox eastern forest; shrub-steppe Apr, May, Jun
Phoenicaulis cheiranthoides Brassicaceae daggerpod eastern forest; shrub-steppe Apr, May, Jun
Poa bulbosa ssp. vivipara * Poaceae bulbous bluegrass eastern forest; shrub-steppe; disturbed areas Apr, May, Jun, Jul
Polemonium micranthum Polemoniaceae annual Jacob's-ladder; annual polemonium eastern forest; shrub-steppe; disturbed areas Mar, Apr, May
Primula conjugens Primulaceae slimpod shooting star; desert shooting star eastern forest; subalpine or alpine; shrub-steppe Apr, May, Jun
Primula pauciflora var. pauciflora Primulaceae dark-throated shooting star
Prunus virginiana Rosaceae common chokecherry; western chokecherry; white chokecherry western forest; eastern forest; shrub-steppe; freshwater May, Jun, Jul
Purshia tridentata Rosaceae antelope-brush; bitterbrush eastern forest; shrub-steppe Apr, May, Jun
Ribes cereum var. cereum Grossulariaceae wax currant eastern forest; subalpine or alpine; shrub-steppe Apr, May, Jun
Rosa nutkana ssp. macdougalii Rosaceae bristly Nootka rose; Nootka rose
Salix exigua Salicaceae coyote willow; narrow-leaf willow freshwater May, Jun
Salix prolixa Salicaceae Mackenzie's willow freshwater Apr, May, Jun
Senecio integerrimus var. exaltatus Asteraceae one-stemmed butterweed; lambs-tongue groundsel; tall western groundsel May, Jun, Jul
Thlaspi arvense * Brassicaceae fanweed; field pennycress disturbed areas Apr, May, Jun, Jul, Aug
Veronica americana Plantaginaceae American brooklime; American speedwell western forest; eastern forest; shrub-steppe; freshwater May, Jun, Jul

Generated on 2025-03-15.   Data from Consortium of PNW Herbaria and Burke Herbarium Image Collection.

More information on the PlantQuest Image Project can be found at https://burkeherbarium.org/imagecollection/plantquest.php.