| Aphyllon purpureum |
Orobanchaceae |
|
eastern forest; prairie or bald; shrub-steppe |
Apr, May, Jun, Jul, Aug |
| Aquilegia formosa |
Ranunculaceae |
red columbine; Sitka columbine |
western forest; eastern forest; subalpine or alpine; prairie or bald |
May, Jun, Jul, Aug |
| Arabis olympica |
Brassicaceae |
Olympics rockcress |
subalpine or alpine |
Jun, Jul, Aug |
| Aspidotis densa |
Pteridaceae |
Oregon; Indian's dream; podfern |
western forest; eastern forest; subalpine or alpine |
[no flowers] |
| Carex inops ssp. inops |
Cyperaceae |
long-stolon sedge |
|
Apr, May, Jun, Jul |
| Castilleja levisecta |
Orobanchaceae |
golden paintbrush |
prairie or bald |
Apr, May, Jun, Jul, Aug, Sep |
| Collinsia parviflora |
Plantaginaceae |
small-flowered blue-eyed Mary; collinsia |
western forest; eastern forest; subalpine or alpine; prairie or bald; shrub-steppe |
Mar, Apr, May, Jun, Jul |
| Conyza canadensis |
Asteraceae |
Canadian fleabane; horseweed |
eastern forest; prairie or bald; shrub-steppe; disturbed areas |
Jul, Aug, Sep |
| Corallorhiza mertensiana |
Orchidaceae |
Pacific coralroot; western coralroot |
western forest; eastern forest |
May, Jun, Jul, Aug |
| Cuscuta pacifica |
Convolvulaceae |
salt marsh dodder |
saltwater shores |
Jun, Jul, Aug, Sep, Oct |
| Epilobium brachycarpum |
Onagraceae |
autumn willow-herb; tall annual willow-herb |
western forest; eastern forest; prairie or bald |
Jul, Aug |
| Epilobium minutum |
Onagraceae |
California willow-herb; chaparral willow-herb; small-flowered willow-herb |
western forest; eastern forest; prairie or bald |
Apr, May, Jun, Jul, Aug |
| Eriophyllum lanatum |
Asteraceae |
Oregon sunshine; common woolly sunflower |
eastern forest; subalpine or alpine; prairie or bald; shrub-steppe |
May, Jun, Jul, Aug |
| Glehnia leiocarpa |
Apiaceae |
American glehnia |
saltwater shores |
May, Jun, Jul |
| Grindelia hirsutula |
Asteraceae |
gumweed |
eastern forest; prairie or bald; shrub-steppe; saltwater shores; disturbed areas |
May, Jun, Jul, Aug, Sep, Oct |
| Heuchera micrantha var. diversifolia |
Saxifragaceae |
small-flowered alumroot |
|
May, Jun, Jul, Aug |
| Lomatium utriculatum |
Apiaceae |
bladder desert-parsley; spring-gold; common biscuit-root |
prairie or bald |
Apr, May, Jun |
| Lupinus bicolor |
Fabaceae |
field lupine; small-flowered lupine; two-color lupine |
prairie or bald; shrub-steppe |
Apr, May, Jun, Jul |
| Lupinus littoralis |
Fabaceae |
seashore lupine |
saltwater shores |
May, Jun, Jul, Aug |
| Mentha canadensis |
Lamiaceae |
wild mint |
freshwater |
Jul, Aug, Sep |
| Micranthes integrifolia |
Saxifragaceae |
Columbian saxifrage; swamp saxifrage; whole-leaf saxifrage |
western forest; eastern forest; subalpine or alpine; prairie or bald; shrub-steppe; freshwater |
Mar, Apr, May, Jun, Jul |
| Montia parvifolia |
Montiaceae |
streambank springbeauty; littleleaf miner's lettuce |
western forest; eastern forest; subalpine or alpine; prairie or bald |
May, Jun, Jul, Aug |
| Persicaria amphibia |
Polygonaceae |
water smartweed |
freshwater |
Jun, Jul, Aug, Sep, Oct |
| Petrophytum hendersonii |
Rosaceae |
Olympic Mountain rockmat |
subalpine or alpine |
Jul, Aug, Sep |
| Plagiobothrys scouleri |
Boraginaceae |
Scouler's popcorn-flower |
western forest; eastern forest; prairie or bald; freshwater |
May, Jun, Jul, Aug |
| Plectritis brachystemon |
Valerianaceae |
|
western forest; eastern forest; prairie or bald |
Apr, May, Jun |
| Plectritis congesta |
Valerianaceae |
|
western forest; prairie or bald |
Apr, May, Jun |
| Polygonum paronychia |
Polygonaceae |
beach knotweed; black knotweed |
saltwater shores |
May, Jun, Jul, Aug, Sep |
| Primula hendersonii |
Primulaceae |
broad-leaved shooting star; Henderson's shooting star |
western forest; prairie or bald |
Mar, Apr, May, Jun |
| Quercus garryana |
Fagaceae |
Garry oak; Oregon white oak |
western forest; eastern forest; prairie or bald; shrub-steppe |
Apr, May, Jun |
| Ranunculus occidentalis |
Ranunculaceae |
western buttercup |
western forest; eastern forest; prairie or bald |
Mar, Apr, May, Jun |
| Sambucus cerulea |
Adoxaceae |
blue elderberry |
western forest; eastern forest; prairie or bald; shrub-steppe; disturbed areas |
May, Jun, Jul |
| Saxifraga cespitosa |
Saxifragaceae |
tufted alpine saxifrage; tufted saxifrage |
western forest; eastern forest; subalpine or alpine; prairie or bald |
Apr, May, Jun, Jul, Aug, Sep |
| Shepherdia canadensis |
Elaeagnaceae |
russet buffalo-berry; soapberry; soopolallie |
western forest; eastern forest; prairie or bald; shrub-steppe |
May, Jun, Jul |
| Silene latifolia * |
Caryophyllaceae |
white campion; evening catchfly |
western forest; eastern forest; freshwater; disturbed areas |
May, Jun, Jul, Aug |
| Sisyrinchium idahoense var. idahoense |
Iridaceae |
Idaho blue-eyed grass |
|
Apr, May, Jun, Jul |
| Sium suave |
Apiaceae |
water parsnip; hemlock water-parsnip |
freshwater |
Jul, Aug |
| Solidago simplex var. simplex |
Asteraceae |
sticky goldenrod |
|
Jun, Jul, Aug, Sep |
| Spiranthes romanzoffiana |
Orchidaceae |
hooded ladies'-tresses |
subalpine or alpine; prairie or bald; freshwater; saltwater shores; disturbed areas |
Jul, Aug, Sep |
| Toxicoscordion venenosum |
Melanthiaceae |
meadow death-camas; deadly zygadene |
eastern forest; prairie or bald; shrub-steppe |
Apr, May, Jun |
| Trifolium oliganthum |
Fabaceae |
few-flowered clover |
prairie or bald |
Mar, Apr, May, Jun, Jul |
| Trifolium willdenovii |
Fabaceae |
sand clover; tomcat clover |
western forest; prairie or bald |
Apr, May, Jun, Jul |
| Triteleia hyacinthina |
Asparagaceae |
white brodiaea; fool's-onion; wild hyacinth |
western forest; eastern forest; prairie or bald; shrub-steppe |
May, Jun, Jul, Aug |
| Turritis glabra |
Brassicaceae |
tower mustard |
western forest; eastern forest; prairie or bald; freshwater; disturbed areas |
May, Jun, Jul |