Polemoniaceae
Phlox Family
13 genera
54 species
12 subspecies and varieties
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Aliciella leptomeriaGreat Basin gilia, sand gily-flower
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to the Rocky Mountains.
Habitat: Open, sandy and rocky areas in sagebrush steppe from low to middle elevations.
Origin: Native
Flowers: April-June
Aliciella lottiaeLott's gily-flower
Distribution: Occurring east of the Cascades crest in the south-central portion of Washington; Washington south to California, east to Idaho and Utah.
Habitat: Open, sandy areas in sagebrush-steppe at low to middle elevations.
Origin: Native
Flowers: April-June
Collomia debilisalpine collomia
Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to Oregon and Nevada, east to Montana, Wyoming, and Utah.
Habitat: Shifting talus slopes at high elevations in the mountains.
Origin: Native
Flowers: June-August
var. debilis – alpine collomia
Collomia grandifloralarge-flowered collomia, large-flower mountain-trumpet
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Wyoming, and Colorado.
Habitat: Dry, open to lightly wooded areas, lowlands to middle elevations in the mountains.
Origin: Native
Flowers: May-August
Collomia heterophyllavaried-leaf collomia, variable-leaf mountain-trumpet
Distribution: Occurring mostly west of the Cascades in Washington; British Columbia south to California, east to Idaho.
Habitat: Woods, forest openings and stream banks, low to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Collomia larseniiLarsen's alpine collomia, talus collomia
Distribution: Occurring in the Olympic and Cascade Mountains in Washington; Washington to California.
Habitat: Rocky, often moist slopes at high elevations in the mountains.
Origin: Native
Flowers: June-August
Collomia linearisnarrow-leaf collomia, narrow-leaf mountain-trumpet
Distribution: Occurring on both sides of the Cascades in Washington; British Columbia south to California, east to Ontario and New Mexico.
Habitat: Dry to somewhat moist, open or lightly shaded areas in the lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: May-August
Collomia macrocalyxbristle-flowered collomia, bristle-flower mountain-trumpet
Distribution: Occurring east of the Cascades crest in Kittitas and Yakima counties in Washington; central Washington and also in north-central Oregon.
Habitat: Sagebrush desert.
Origin: Native
Flowers: May-June
Collomia tenelladiffuse collomia, diffuse mountain-trumpet
Distribution: Mostly east of the Cascades in Washington; British Columbia south to Nevada, east to Idaho, Utah and Wyoming.
Habitat: Dry, open places from the plains to moderate elevations in the mountains.
Origin: Native
Flowers: June-July
Collomia tinctoriayellow-staining collomia, yellow-staining mountain-trumpet
Distribution: Occurring east of the Cascades in Washington; Washington south to California, east to central Idaho and southeast Oregon.
Habitat: Dry, open places in the foothills to moderate or mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Eriastrum wilcoxiiWilcox's woolstar
Distribution: Occurring east of the Cascades crest in central Washington; central Washington to southern California, east to southern Idaho and western Utah.
Habitat: Sagebrush desert in sandy or stony soil.
Origin: Native
Flowers: May-August
Gilia capitatabluehead gilia, globe gilia
Distribution: Occurring chiefly west of the Cascades in Washington, but also in the Columbia River Gorge; Vancouver Island, British Columbia south to California, east to Idaho.
Habitat: Dry, open areas at lower elevations.
Origin: Native
Flowers: June-July
ssp. capitata – bluefield gilia, globe gilia
Gilia inconspicuashy gily-flower
Distribution: East of the Cascades in Washington; Washington south to California, east to Idaho, Colorado, and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Origin: Native
Flowers: April-June
Gilia sinuatashy gilia, sinuate gilia, rosy gily-flower
Distribution: Occurring east of the Cascades crest in Washington; Washington to southeast California, east to Idaho and Wyoming.
Habitat: Dry, open, and usually sandy places in the foothills and plains.
Origin: Native
Flowers: April-July
Ipomopsis aggregatascarlet gilia, skyrocket
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains, Oklahoma and Texas.
Habitat: Open or lightly wooded, drier meadows and rocky slopes, lowlands to fairly high elevations in the mountains.
Origin: Native
Flowers: May-August
ssp. aggregata – scarlet gilia, skyrocket
Ipomopsis congestaballhead gilia, many-flowered gilia
Distribution: Occurring on the eastern border of Washington; Washington south to California, east to the Great Plains.
Habitat: Dry, open areas at low to middle elevations.
Origin: Native
Flowers: June-July
ssp. congesta – ballhead gilia, many-flowered gilia
Lathrocasis tenerrimadelicate gilia
Distribution: Known from Okanogan, Douglas, and Chelan counties in Washington; British Columbia south to California, east to Montana, Idaho, Wyoming, Utah and Nevada.
Habitat: Rocky outcroppings, Ponderosa pine forest openings, and montane shrub-steppe communities.
Origin: Native
Flowers: May-June
Leptosiphon bicolorbicolored babystars, bicolored linanthus
Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; southwestern British Columbia to California.
Habitat: Open areas at lower elevations.
Origin: Native
Flowers: April-June
Leptosiphon bolanderiBolander's desert-trumpets, Baker's linanthus
Distribution: Near the east base of the Cascades in Klickitat County, Washington, and in the Sierra Nevada and Coast Range of California.
Habitat: Dry, open places at lower elevations, often on serpentine.
Origin: Native
Flowers: April-May
Leptosiphon harknessiiHarkness's desert-trumpets, three-seed desert-trumpets
Distribution: Occurring east of the Cascades crest in Washington; southern British Columbia to California, east to Idaho and Utah.
Habitat: Drier open places, from the foothills to middle elevations in the mountains, often where moist to wet in spring.
Origin: Native
Flowers: June-August
Leptosiphon liniflorusflax-flower desert-trumpets, thread-stem linanthus, thread-stemmed linanthus
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California.
Habitat: open, dry areas in sagebrush flats to Ponderosa pine forests.
Origin: Native
Flowers: April-June.
Leptosiphon minimustrue babystars
Distribution: Occurring west of the Cascades crest in Washington in the Puget Trough lowlands; southern Vancouver Island to California.
Habitat: Prairies, balds, and open, grassy, rocky areas near the coast.
Origin: Native
Flowers: May-June
Leptosiphon nuttalliiNuttall's linanthus
Distribution: In the Cascade and Blue Mountains of Washington; Washington south to California, east to Montana, Colorado and New Mexico.
Habitat: Open rocky slopes at mid- to high elevations in the mountains.
Origin: Native
Flowers: June-August
ssp. nuttallii – Nuttall's linanthus
Leptosiphon septentrionalisnorthern desert-trumpets, northern linanthus
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to northern Rocky Mountains and Great Plains.
Habitat: In seasonally wet open plains and slopes from low to moderate elevations.
Origin: Native
Flowers: May-July
Linanthus pungensprickly phlox
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Baja California, east to the Rocky Mountains.
Habitat: Dry, open, sandy or rocky places, from sagebrush desert and plains to moderate elevations in the drier mountains.
Origin: Native
Flowers: May-July
Microgilia minutiflorasmall-flowered gilia, small-flower skyrocket
Distribution: Occurring east of the Cascades crest in Washington; south-central British Columbia to eastern Oregon, east to western Montana and southern Idaho.
Habitat: Dry, sandy places at low elev, often with sagebrush.
Origin: Native
Flowers: April-June
Microsteris gracilispink microsteris, slender phlox
Distribution: Occurring on both sides of the Cascades crest in Washington, though more common east of the crest; Alaska to California, east to the Rocky Mountains and Great Plains.
Habitat: Lowlands and foothills in open, dry to moderately moist places.
Origin: Native
Flowers: March-June
Navarretia breweriBrewer's navarretia, yellow-flowered navarretia, yellow pincushion-plant
Distribution: East of the Cascades, Douglas County, Washington, south to California, east to Wyoming and Arizona
Habitat: Dry, open areas and meadows, from the foothills to moderate elevations in the mountains
Origin: Native
Flowers: May - July
Navarretia divaricata
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Montana and Nevada.
Habitat: Dry, open places from the foothills to mid-elevations in the mountains.
Origin: Native
Flowers: June-August
ssp. divaricata – mountain navarretia
Navarretia intertextaneedleleaf navarretia
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains and the Great Plains in the U.S.
Habitat: Open slopes, meadows and margins of pools, from the lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Navarretia leucocephalaleast navarretia
Distribution: East of the Cascades in Klickitat County, Washington, and Oregon, south to northern California.
Habitat: Moist meadows and vernal pools, and other moist, open places in the foothills and lowlands.
Origin: Native
Flowers: May - July
ssp. diffusa – diffuse navarretia
ssp. minima – least navarretia
Navarretia linearifolia
Distribution: Occurring in the southeastern corner of Washington; southeastern Washington south, in East Cascades, to California, east to Idaho, Nevada, Utah, and Colorado.
Habitat: Open, dry, seasonally moist soils at low to moderate elevations.
Origin: Native
Flowers: April-June
ssp. linearifolia – linear-leaved pincushion-plant
Navarretia propinquaGreat Basin navarretia
Distribution: Occurring east of the Cascades crest in Washington; south-central British Columbia to California, east to the Rocky Mountains.
Habitat: Seasonally moist sagebrush desert plains, ponderosa pine forest openings, and meadows at low to middle elevations.
Origin: Native
Flowers: June-August
Navarretia sinistraAlva Day's pincushion-plant
Distribution: Occurring east of the Cascades crest in central Washington; north-central Washington to California, east to southern Idaho, Utah, and Colorado.
Habitat: Meadows and open or lightly wooded slopes, from the foothills to middle elevations in the mountains.
Origin: Native
Flowers: May-July
Navarretia squarrosaskunkweed
Distribution: West of the Cascades, from southern Vancouver Island, British Columbia, to California.
Habitat: Open places, mostly at low elevations.
Origin: Native
Flowers: June - September
Navarretia tagetinamarigold navarretia, northern navarretia, marigold pincushion-plant
Distribution: Klickitat County, Washington, south to California.
Habitat: Dry, open places at low elevations.
Origin: Native
Flowers: May - June
Phlox caespitosaclumped phlox, clustered phlox, stiff phlox, tufted phlox
Distribution: Occurring east of the Cascades crest in Washington; south-central British Columbia to south-central Washington, east to Idaho and Montana.
Habitat: Primarily in and near Ponderosa pine forest.
Origin: Native
Flowers: April-June
Phlox colubrinaSnake River phlox
Distribution: Occurring east of the Cascades crest in the southeastern counties in Washington; southeastern Washington to adjacent northeastern Oregon and western Idaho.
Habitat: Dry, open slopes and cliffs.
Origin: Native
Flowers: April-June
Phlox diffusaspreading phlox
Distribution: Widely distributed throughout most of Washington; British Columbia south to California, east to the Rocky Mountains and into the Great Plains in the north.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: May-August
Phlox hendersoniiHenderson's phlox
Distribution: In Washington known from the Olympic Mountains and central Cascades east of the crest; Washington south to Oregon.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-August
Phlox hoodiiHood's phlox
Distribution: Occurring east of the Cascades crest in Washington; Alaska south to California, east to the Rocky Mountains and Great Plains in the north.
Habitat: Dry, open places in the plains and foothills, often in lithosol, occasionally to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
ssp. canescens – Hood's phlox
Phlox longifolialong-leaf phlox
Distribution: Widely distributed east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Sagebrush desert to ponderosa pine forest openings, from low to middle elevations in the mountains.
Origin: Native
Flowers: April-June
Phlox multifloramany-flowered phlox
Distribution: Occurring east of the Cascades crest in the southeastern counties in Washington; southeastern Washington to northwestern Nevada, east to the Rocky Mountains.
Habitat: Ponderosa pine forest openings and open meadows from middle elevations to the subalpine.
Origin: Native
Flowers: May-July
Phlox solivagayeti phlox
Distribution: Occurring east of the Cascades crest, where endemic to the southeastern counties in Washington.
Habitat: Windswept, rocky soil of montane to subalpine ridgelines.
Origin: Native
Flowers: May-July
Phlox speciosashowy phlox
Distribution: Widely distributed east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Shrub-steppe, often with sagebrush, and in ponderosa pine forest openings.
Origin: Native
Flowers: April-June
Phlox viscidasticky phlox
Distribution: Occurring east of the Cascades crest in Washington; Washington south to Arizona, east to Idaho, Utah, and New Mexico.
Habitat: Open areas in grasslands and ponderosa pine forest.
Origin: Native
Flowers: April-June
Polemonium californicumlow Jacob's-ladder
Distribution: Cascade-Sierra region of Washington to California, east to Idaho
Habitat: Shaded or moist places, moderate to mid-elevations in the mountains
Origin: Native
Flowers: May - August
Polemonium carneumroyal Jacob's-ladder, great polemonium, salmon polemonium
Distribution: Olympic and Grays Harbor region of Washington, and Skamania County in Washington south through the Cascades to the Klamath region of Oregon and adjacent California.
Habitat: Thickets, woodlands and forest openings, from near sea level to moderate elevations in the mountains.
Origin: Native
Flowers: May - July
Polemonium eleganselegant Jacob's-ladder, elegant polemonium
Distribution: Occurring in the Olympics and Cascades mountains in Washington; British Columbia south to Washington.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-September
Polemonium micranthumannual Jacob's-ladder, annual polemonium
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Common is open plains and foothills, often with sagebrush.
Origin: Native
Flowers: March-May
Polemonium occidentalewestern polemonium
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to Montana and Colorado.
Habitat: Very wet places at mid-elevations in the mountains.
Origin: Native
Flowers: June-August
Polemonium pectinatumWashington Jacob's-ladder, Washington polemonium
Distribution: Known only from North Whitman County and south Spokane County, Washington.
Habitat: Moist bottom lands.
Origin: Native
Flowers: May-June
Polemonium pulcherrimumshowy polemonium
Distribution: Widely distributed in Washington; Alaska south to the Sierra Nevada of California, east to Wyoming.
Habitat: High elevations in the mountains, often in open areas above timberline.
Origin: Native
Flowers: May-August
var. pulcherrimum – showy Jacob's-ladder
Polemonium viscosumsticky Jacob's-ladder, sticky polemonium
Distribution: Know only from Okanogan County, Washington in Washington; British Columbia south to Oregon and Nevada, east to the Rocky Mountains.
Habitat: Open rocky places at high elevations in the mountains, commonly above timberline.
Origin: Native
Flowers: July-September