Polemoniaceae
Phlox Family
13 genera
55 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 in the Olympic and Cascade Mountains of Washington; Washington south to Oregon, east to Idaho.
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 Wyoming.
Habitat: Rather dry, open to lightly wooded areas, lowlands to moderate 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 south 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
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
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: East of the Cascades in Washington; Washington south 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 chiefly west of the Cascades crest in Washington; Vancouver Island, B. C. south 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 harknessiithree-seed desert-trumpets, Harkness' linanthus
Distribution: Occurring east of the Cascades crest in Washington; Washington south to California, east to Utah.
Habitat: Drier open places, foothills to mid-elevations in the mountains.
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
Origin: Native
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 south to Baja California, east to Montana and New Mexico.
Habitat: Dry, open, sandy or rocky places, from the deserts and plains to moderate elevations in the drier mountains.
Origin: Native
Flowers: May-July
Microgilia minutiflorasmall-flowered gilia, small-flower skyrocket
Origin: Native
Microsteris gracilisslender phlox
Distribution: Widely distributed throughout Washington; Alaska south to California, east to the Rocky Mountains and the Great Plains in the U.S.
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
Origin: Native
Flowers: June - August
Navarretia sinistraAlva Day's pincushion-plant
Origin: Native
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: East of the Cascades, British Columbia to California, east to Colorado
Habitat: Primarily in and near Ponderosa pine forest.
Origin: Native
Flowers: April - June
Phlox colubrinaSnake River phlox
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: Occurring chiefly east of the Cascades crest in Washington; British Columbia south to California, east to the Rocky Mountains.
Habitat: Dry, open, rocky places, from the lowlands to moderate or occasionally high elevations in the mountains.
Origin: Native
Flowers: April-June
Phlox mollissoft phlox
Origin: Native
Phlox multifloramany-flowered phlox
Origin: Native
Phlox solivagayeti phlox
Origin: Native
Phlox speciosashowy phlox
Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Idaho, Montana, Nevada, Arizona, and New Mexico.
Habitat: Shrub-steppe, often with sagebrush, and in ponderosa pine areas.
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: Chiefly east of the Cascades, British Columbia to California, east to North Dakota and Utah
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