| 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 |