| Acmispon parviflorus |
Fabaceae |
small-flowered bird's-foot trefoil |
western forest; eastern forest; prairie or bald; saltwater shores |
Apr, May, Jun, Jul, Aug, Sep |
| Artemisia campestris var. scouleriana |
Asteraceae |
Pacific sagewort; Scouler's wormwood |
|
|
| Atriplex prostrata * |
Amaranthaceae |
fat hen; hastate orache; thin-leaf orache |
shrub-steppe; saltwater shores; disturbed areas |
Jun, Jul, Aug, Sep |
| Cakile maritima * |
Brassicaceae |
European sea-rocket; sea-rocket |
saltwater shores |
May, Jun, Jul, Aug, Sep, Oct |
| Calandrinia menziesii |
Montiaceae |
fringed red maids; red maids |
prairie or bald |
Apr, May |
| Carex tumulicola |
Cyperaceae |
foothill sedge |
prairie or bald; freshwater |
May, Jun, Jul |
| Cotoneaster horizontalis * |
Rosaceae |
rock cotoneaster; rockspray cotoneaster; wall cotoneaster |
western forest; prairie or bald; disturbed areas |
May, Jun |
| Crataegus douglasii |
Rosaceae |
black hawthorn; Douglas's hawthorn |
western forest; eastern forest; prairie or bald; shrub-steppe; freshwater |
May, Jun |
| Crocidium multicaule |
Asteraceae |
gold-star; spring-gold |
eastern forest; prairie or bald; shrub-steppe; disturbed areas |
Mar, Apr, May, Jun, Nov-Feb |
| Cynosurus echinatus * |
Poaceae |
bristly dog's-tail grass |
prairie or bald; disturbed areas |
May, Jun, Jul |
| Deschampsia cespitosa |
Poaceae |
tufted hairgrass |
western forest; eastern forest; subalpine or alpine; freshwater; saltwater shores |
Jun, Jul, Aug, Sep |
| Eriophorum virginicum * |
Cyperaceae |
tawny cotton-grass |
freshwater |
May, Jun, Jul, Aug |
| Fallopia sachalinensis * |
Polygonaceae |
giant knotweed |
freshwater; disturbed areas |
Jul, Aug, Sep |
| Festuca roemeri |
Poaceae |
Roemer's fescue |
prairie or bald |
May, Jun, Jul |
| Festuca roemeri var. roemeri |
Poaceae |
Roemer's fescue |
|
|
| Gamochaeta ustulata |
Asteraceae |
purple cudweed; spoon-leaf cudweed |
prairie or bald; disturbed areas |
Apr, May, Jun, Jul, Aug, Sep, Oct |
| Geranium lucidum * |
Geraniaceae |
shining crane's-bill |
western forest; disturbed areas |
Apr, May, Jun |
| Hornungia procumbens * |
Brassicaceae |
hutchinsia; prostrate hutchinsia; ovalpurse |
prairie or bald; shrub-steppe; freshwater |
Mar, Apr, May, Jun |
| Lemna turionifera |
Araceae |
turion duckweed |
freshwater |
Jun, Jul, Aug, Sep, Oct |
| Leptosiphon minimus |
Polemoniaceae |
true babystars |
prairie or bald |
Apr, May |
| Lonicera hispidula |
Caprifoliaceae |
hairy honeysuckle; pink honeysuckle |
western forest; prairie or bald |
May, Jun, Jul, Aug |
| Lupinus bicolor |
Fabaceae |
field lupine; small-flowered lupine; two-color lupine |
prairie or bald; shrub-steppe |
Apr, May, Jun, Jul |
| Medicago arabica * |
Fabaceae |
spotted medic |
disturbed areas |
Apr, May, Jun, Jul |
| Montia howellii |
Montiaceae |
Howell's montia |
western forest; prairie or bald; freshwater |
Apr, May |
| Olsynium douglasii |
Iridaceae |
grass-widow; purple-eyed grass-widow |
eastern forest; prairie or bald; shrub-steppe |
Mar, Apr, May, Jun, Nov-Feb |
| Plagiobothrys scouleri |
Boraginaceae |
Scouler's popcorn-flower |
western forest; eastern forest; prairie or bald; freshwater |
May, Jun, Jul, Aug |
| Ranunculus californicus |
Ranunculaceae |
California buttercup |
prairie or bald |
Apr, May, Jun |
| Rumex salicifolius var. transitorius |
Polygonaceae |
narrow-leaved dock; Pacific willow dock |
prairie or bald; saltwater shores |
May, Jun, Jul |
| Sagina maxima ssp. crassicaulis |
Caryophyllaceae |
stick-stemmed pearlwort |
|
Jun, Jul, Aug, Sep |
| Sagina maxima ssp. maxima |
Caryophyllaceae |
stick-stemmed pearlwort |
|
|
| Sanicula crassicaulis var. crassicaulis |
Apiaceae |
Pacific sanicle |
|
May, Jun |
| Sanicula crassicaulis var. tripartita |
Apiaceae |
Pacific sanicle |
|
May, Jun |
| Sarracenia flava * |
Sarraceniaceae |
yellow pitcher-plant; yellow trumpet |
freshwater |
May, Jun, Jul |
| Sarracenia purpurea * |
Sarraceniaceae |
purple pitcher-plant |
freshwater |
May, Jun, Jul |
| Scutellaria galericulata |
Lamiaceae |
hooded skullcap; marsh skullcap |
western forest; eastern forest; shrub-steppe; freshwater |
Jun, Jul, Aug |
| Sedum stenopetalum |
Crassulaceae |
wormleaf stonecrop |
eastern forest; subalpine or alpine; shrub-steppe |
May, Jun, Jul |
| Soliva sessilis * |
Asteraceae |
lawn burrweed; common soliva; prickly soliva |
disturbed areas |
Mar, Apr, May, Jun |
| Sorbus intermedia * |
Rosaceae |
Swedish whitebeam |
|
|
| Spergularia macrotheca |
Caryophyllaceae |
beach sandspurry |
prairie or bald; saltwater shores |
Jun, Jul, Aug, Sep |
| Spergularia macrotheca var. macrotheca |
Caryophyllaceae |
beach sandspurry |
prairie or bald; saltwater shores |
Jun, Jul, Aug, Sep |
| Stellaria pallida * |
Caryophyllaceae |
lesser chickweed |
disturbed areas |
|
| Trifolium dichotomum |
Fabaceae |
branched clover |
prairie or bald |
Apr, May, Jun |
| Veronica persica * |
Plantaginaceae |
bird-eye speedwell; Persian speedwell |
disturbed areas |
Mar, Apr, May |