Polemoniaceae
Phlox Family
13 genera
54 species
12 subspecies and varieties
54 species
12 subspecies and varieties
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Index to genera:
Aliciella, Collomia, Eriastrum, Gilia, Ipomopsis, Lathrocasis, Leptosiphon, Linanthus, Microgilia, Microsteris, Navarretia, Phlox, PolemoniumAliciella leptomeria – Great 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
Growth Duration: Annual
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
Growth Duration: Annual
Aliciella lottiae – Lott'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
Growth Duration: Annual
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
Growth Duration: Annual
Collomia debilis – alpine 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
Growth Duration: Perennial
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
Growth Duration: Perennial
• var. debilis – alpine collomia
Collomia grandiflora – large-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
Growth Duration: Annual
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
Growth Duration: Annual
Collomia heterophylla – varied-leaf collomia, variable-leaf mountain-trumpet
Distribution: Occurring mostly west of the Cascades in Washington; British Columbia to California, east to Idaho.
Habitat: Woods, forest openings and stream banks, low to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Distribution: Occurring mostly west of the Cascades in Washington; British Columbia to California, east to Idaho.
Habitat: Woods, forest openings and stream banks, low to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Collomia larsenii – Larsen'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
Growth Duration: Perennial
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
Growth Duration: Perennial
Collomia linearis – narrow-leaf collomia, narrow-leaf mountain-trumpet
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia 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
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia 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
Growth Duration: Annual
Collomia macrocalyx – bristle-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
Growth Duration: Annual
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
Growth Duration: Annual
Collomia tenella – diffuse collomia, diffuse mountain-trumpet
Distribution: Occurring mostly east of the Cascades crest in Washington; British Columbia to Nevada, east to Idaho, Utah and Wyoming.
Habitat: Dry, open places from the plains to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring mostly east of the Cascades crest in Washington; British Columbia to Nevada, east to Idaho, Utah and Wyoming.
Habitat: Dry, open places from the plains to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Collomia tinctoria – yellow-staining collomia, yellow-staining mountain-trumpet
Distribution: Occurring east of the Cascades crest in Washington; Washington 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
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; Washington 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
Growth Duration: Annual
Eriastrum wilcoxii – Wilcox'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
Growth Duration: Annual
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
Growth Duration: Annual
Gilia capitata – bluehead gilia, globe gilia
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; Vancouver Island to California, east to Idaho.
Habitat: Dry, open areas at lower elevations.
Origin: Native
Flowers: June-July
Growth Duration: Annual
Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; Vancouver Island to California, east to Idaho.
Habitat: Dry, open areas at lower elevations.
Origin: Native
Flowers: June-July
Growth Duration: Annual
• ssp. capitata – bluefield gilia, globe gilia
Gilia inconspicua – shy gily-flower
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Idaho and New Mexico.
Habitat: Rocky and sandy open areas in sagebrush desert.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Gilia sinuata – shy 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
Growth Duration: Annual
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
Growth Duration: Annual
Ipomopsis aggregata – scarlet gilia
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia 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
Growth Duration: Biennial, Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia 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
Growth Duration: Biennial, Perennial
• ssp. aggregata – scarlet gilia, skyrocket
Ipomopsis congesta – ball-head gilia, many-flowered gilia
Distribution: Occurring east of the Cascades crest on the eastern border of Washington; Washington to California, east to the Great Plains.
Habitat: Dry, open areas at low to middle elevations.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest on the eastern border of Washington; Washington to California, east to the Great Plains.
Habitat: Dry, open areas at low to middle elevations.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
• ssp. congesta – ball-head gilia, many-flowered gilia
Lathrocasis tenerrima – delicate gilia
Distribution: Occurring east of the Cascades crest in Okanogan, Douglas, and Chelan counties in Washington; British Columbia to California, east to Montana, Idaho, Wyoming, and Colorado.
Habitat: Rocky outcroppings, Ponderosa pine forest openings, and montane shrub-steppe communities.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Okanogan, Douglas, and Chelan counties in Washington; British Columbia to California, east to Montana, Idaho, Wyoming, and Colorado.
Habitat: Rocky outcroppings, Ponderosa pine forest openings, and montane shrub-steppe communities.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Leptosiphon bicolor – bicolored 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
Growth Duration: Annual
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
Growth Duration: Annual
Leptosiphon bolanderi – Bolander's desert-trumpets, Baker's linanthus
Distribution: Occurring east of the Cascades crest in the Columbia River Gorge in Washington; Klickitat County, Washington to California.
Habitat: Dry, open places at lower elevations, often on serpentine.
Origin: Native
Flowers: April-May
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in the Columbia River Gorge in Washington; Klickitat County, Washington to California.
Habitat: Dry, open places at lower elevations, often on serpentine.
Origin: Native
Flowers: April-May
Growth Duration: Annual
Leptosiphon harknessii – Harkness'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
Growth Duration: Annual
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
Growth Duration: Annual
Leptosiphon liniflorus – flax-flower desert-trumpets, thread-stem linanthus, thread-stemmed linanthus
Distribution: Occurring east of the Cascades crest in Washington; Washington to California.
Habitat: open, dry areas in sagebrush flats to Ponderosa pine forests.
Origin: Native
Flowers: April-June.
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; Washington to California.
Habitat: open, dry areas in sagebrush flats to Ponderosa pine forests.
Origin: Native
Flowers: April-June.
Growth Duration: Annual
Leptosiphon minimus – true 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
Growth Duration: Annual
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
Growth Duration: Annual
Leptosiphon nuttallii – Nuttall's leptosiphon
Distribution: Occurring in the Cascades Range and Blue Mountains in Washington; Washington to California, east to Montana, Colorado and New Mexico.
Habitat: Open rocky slopes at middle to high elevations in the mountains
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring in the Cascades Range and Blue Mountains in Washington; Washington to California, east to Montana, Colorado and New Mexico.
Habitat: Open rocky slopes at middle to high elevations in the mountains
Origin: Native
Flowers: June-August
Growth Duration: Perennial
• ssp. nuttallii – Nuttall's leptosiphon
• ssp. pubescens – Nuttall's leptosiphon
Leptosiphon septentrionalis – northern desert-trumpets, northern linanthus
Distribution: Occurring east of the Cascades crest in Washington; British Columbia 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
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia 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
Growth Duration: Annual
Linanthus pungens – prickly 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
Growth Duration: Perennial
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
Growth Duration: Perennial
Microgilia minutiflora – small-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
Growth Duration: Annual
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
Growth Duration: Annual
Microsteris gracilis – pink 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
Growth Duration: Annual
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
Growth Duration: Annual
Navarretia breweri – Brewer's navarretia, yellow-flowered navarretia, yellow pincushion-plant
Distribution: Occurring east of the Cascades crest in Washington; central Washington to California, east to Wyoming and Arizona.
Habitat: Dry, open areas and meadows, from the foothills to middle elevations in the mountains
Origin: Native
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; central Washington to California, east to Wyoming and Arizona.
Habitat: Dry, open areas and meadows, from the foothills to middle elevations in the mountains
Origin: Native
Flowers: May-July
Growth Duration: Annual
Navarretia divaricata – divaricate navarretia, mountain navarretia, divaricate pincushion-plant, mountain pincushion-plant
Distribution: Occurring east of the Cascades crest in Washington; British Columbia 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
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia 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
Growth Duration: Annual
• ssp. divaricata – mountain navarretia
Navarretia intertexta – needle-leaf navarretia
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Washington, east to Idaho.
Habitat: Open slopes, meadows and margins of pools, from the lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to Washington, east to Idaho.
Habitat: Open slopes, meadows and margins of pools, from the lowlands to moderate elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Annual
Navarretia leucocephala – least navarretia
Distribution: Occurring east of the Cascades crest in Washington; central Washington to California, east to Idaho, Utah, and Nevada.
Habitat: Moist meadows and vernal pools, and other moist, open places in the foothills and lowlands.
Origin: Native
Flowers: May-July
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; central Washington to California, east to Idaho, Utah, and Nevada.
Habitat: Moist meadows and vernal pools, and other moist, open places in the foothills and lowlands.
Origin: Native
Flowers: May-July
Growth Duration: Annual
• ssp. diffusa – diffuse navarretia
• ssp. minima – least navarretia
Navarretia linearifolia – linear-leaved navarretia
Distribution: Occurring east of the Cascades crest in Washington in the southeastern corner; southeastern Washington to California, east to Nevada.
Habitat: Open, dry, seasonally moist soils at low to moderate elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington in the southeastern corner; southeastern Washington to California, east to Nevada.
Habitat: Open, dry, seasonally moist soils at low to moderate elevations.
Origin: Native
Flowers: April-June
Growth Duration: Annual
• ssp. linearifolia – linear-leaved navarretia, linear-leaved pincushion-plant
Navarretia propinqua – Great Basin navarretia, near 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
Growth Duration: Annual
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
Growth Duration: Annual
Navarretia sinistra – Alva Day's pincushion-plant
Distribution: Occurring east of the Cascades crest in central Washington; 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
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in central Washington; 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
Growth Duration: Annual
Navarretia squarrosa – skunkweed
Distribution: Occurring west of the Cascades crest in Washington; southern Vancouver Island and southwestern British Columbia to California.
Habitat: Open, seasonally moist places, mostly at low elevations.
Origin: Native
Flowers: June-September
Growth Duration: Annual
Distribution: Occurring west of the Cascades crest in Washington; southern Vancouver Island and southwestern British Columbia to California.
Habitat: Open, seasonally moist places, mostly at low elevations.
Origin: Native
Flowers: June-September
Growth Duration: Annual
Navarretia tagetina – marigold navarretia, northern navarretia, marigold pincushion-plant
Distribution: Occurring east of the Cascades crest in Washington in Klickitat County; south-central Washington to California.
Habitat: Dry, open places at low elevations.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington in Klickitat County; south-central Washington to California.
Habitat: Dry, open places at low elevations.
Origin: Native
Flowers: May-June
Growth Duration: Annual
Phlox caespitosa – clumped 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
Growth Duration: Perennial
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
Growth Duration: Perennial
Phlox colubrina – Snake 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
Growth Duration: Perennial
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
Growth Duration: Perennial
Phlox diffusa – spreading phlox
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Widely distributed on both sides of the Cascades crest in Washington; British Columbia to California.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Phlox hendersonii – Henderson's phlox
Distribution: Occurring in the Olympic Mountains and in the Cascades east of the crest in Washington; Washington to Oregon.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Distribution: Occurring in the Olympic Mountains and in the Cascades east of the crest in Washington; Washington to Oregon.
Habitat: Open, often rocky areas, mid- to high elevations in the mountains.
Origin: Native
Flowers: July-August
Growth Duration: Perennial
Phlox hoodii – Hood's phlox
Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Dry, open places in the plains and foothills, often in lithosol, occasionally to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Dry, open places in the plains and foothills, often in lithosol, occasionally to moderate elevations in the mountains.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
• ssp. canescens – carpet phlox, Hood's phlox
Phlox longifolia – long-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
Growth Duration: Perennial
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
Growth Duration: Perennial
Phlox multiflora – many-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
Growth Duration: Perennial
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
Growth Duration: Perennial
Phlox solivaga – yeti 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
Growth Duration: Perennial
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
Growth Duration: Perennial
Phlox speciosa – showy 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
Growth Duration: Perennial
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
Growth Duration: Perennial
Phlox viscida – sticky phlox
Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to northeastern Oregon, east to adjacent Idaho.
Habitat: Open areas in grasslands and ponderosa pine forest.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to northeastern Oregon, east to adjacent Idaho.
Habitat: Open areas in grasslands and ponderosa pine forest.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
Polemonium californicum – low Jacob's-ladder
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana.
Habitat: Shaded or moist places from middle elevations to the subalpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Idaho and Montana.
Habitat: Shaded or moist places from middle elevations to the subalpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Polemonium carneum – royal Jacob's-ladder, great polemonium, salmon polemonium
Distribution: Occurring west of the Cascades crest on the Olympic Peninsula and southwestern Washington; Olympic Peninsula to California.
Habitat: Thickets, woodlands and forest openings, from near sea level to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Distribution: Occurring west of the Cascades crest on the Olympic Peninsula and southwestern Washington; Olympic Peninsula to California.
Habitat: Thickets, woodlands and forest openings, from near sea level to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
Polemonium elegans – elegant Jacob's-ladder, elegant polemonium
Distribution: Occurring in the Olympics and Cascades mountains in Washington; British Columbia to Washington.
Habitat: Open, often rocky areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Distribution: Occurring in the Olympics and Cascades mountains in Washington; British Columbia to Washington.
Habitat: Open, often rocky areas, middle to high elevations in the mountains.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
Polemonium micranthum – annual 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
Growth Duration: Annual
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
Growth Duration: Annual
Polemonium occidentale – western Jacob's-ladder, western polemonium
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Lakes region.
Habitat: Wet meadows and stream banks middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and Great Lakes region.
Habitat: Wet meadows and stream banks middle elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
Polemonium pectinatum – Washington Jacob's-ladder, Washington polemonium
Distribution: Occurring east of the Cascades crest, where endemic to central and eastern Washington.
Habitat: Moist bottom lands in scabland habitat.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest, where endemic to central and eastern Washington.
Habitat: Moist bottom lands in scabland habitat.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
Polemonium pulcherrimum – showy polemonium
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: High elevations in the mountains, often in open areas above timberline.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Habitat: High elevations in the mountains, often in open areas above timberline.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
• var. pulcherrimum – showy Jacob's-ladder
Polemonium viscosum – sticky Jacob's-ladder, sticky polemonium
Distribution: Occurring east of the Cascades crest in Washington, where known only from Okanogan County. British Columbia 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
Growth Duration: Perennial
Distribution: Occurring east of the Cascades crest in Washington, where known only from Okanogan County. British Columbia 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
Growth Duration: Perennial
