1 genus
30 species, 20 subspecies and varieties
	
   
  
  
    
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sand dune penstemon, sharp-leaved penstemon
Distribution: Occurring east of the Cascades crest from Chelan and Douglas counties south along the Columbia River to Klickitat County; central Washington to north-central Oregon, also from southeastern Oregon to northern Nevada, east to southwestern Idaho.
Habitat: Dry, open, sandy places at low elevations.
Origin: Native
Flowers: April-June
Growth Duration: Perennial
 – sand dune beardtongue, sand dune penstemon, sharp-leaved penstemon
 
 
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taper-leaved beardtongue, sulphur penstemon, taper-leaved penstemon
Distribution: Occurring east of the Cascades crest in Washington; southeastern British Columbia to northeastern Oregon, east to western Montana and Wyoming.
Habitat: Dry to moist meadows and woodland slopes from the lowlands to the subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 – taper-leaved beardtongue, sulphur penstemon, taper-leaved penstemon
 
 
 – Barrett's beardtongue
Distribution: Occurring in the east end of the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon.
Habitat: Woodland openings and rocky slopes at low elevations.
Origin: Native
Flowers: April-May
Growth Duration: Perennial
 
 – Cardwell's beardtongue
Distribution: Occurring west of the Cascades crest in Washington; southwestern Washington to southwestern Oregon.
Habitat: Open or wooded summits or slopes at middle elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 
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gray beardtongue
Distribution: Occurring east of the Cascades crest in Washington; central Washington to northeastern California and northwestern Nevada.
Habitat: Open areas at low to middle elevations in loamy or igneous rocky or gravelly soils.
Origin: Native
Flowers: April-June
 – gray beardtongue
 – leafy gray beardtongue
 
 
 – lesser yellow beardtongue
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Idaho and Montana.
Habitat: Coniferous forest openings and open slopes from low to middle elevations.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
 
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Davidson's penstemon
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California and Nevada.
Habitat: Open, rocky areas, from middle to high elevations in the mountains.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 – Davidson's beardtongue
 – Davidson's beardtongue
 
 
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hot-rock penstemon
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Montana and Utah.
Habitat: Open rocky roadsides, hillsides, and rock outcrops, sometimes in dry meadows, lowland to middle elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 – hot-rock penstemon
 – hotrock penstemon, scabland penstemon, scorched penstemon
 
 
 – rockvine beardtongue
Distribution: Occurring east of the Cascades crest in northeastern Washington; southeastern British Columbia to northeastern Washington, east to Alberta and Montana.
Habitat: Rocky places at high elevations in the mountains, often on cliffs, ledges, or in rock crevices.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
 
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crested-tongue penstemon, fuzzy-tongue penstemon
Distribution: Occurring east of the Cascades crest chiefly in central and northeastern Washington; southeastern British Columbia to Oregon, east to the northern Great Plains.
Habitat: Dry, open places in the valleys, plains and foothills, sometimes ascending to middle elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 – fuzzy-tongue penstemon
 – Whited's fuzzy-tongue penstemon
 
 
 – glaucous beardtongue
Distribution: Occurring in the Cascades Range in Washington from Mt Adams south; Washington to central Oregon.
Habitat: Dry, sandy, open or sparsely wooded slopes at moderate elevations to subalpine meadows.
Origin: Native
Flowers: June-September
Growth Duration: Perennial
 
 – 
bush penstemon, shrubby penstemon
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to Oregon, east to Alberta, Montana and Wyoming.
Habitat: Common in rocky, open or wooded areas, foothills to rather high elevations in the mountains.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
 – shrubby penstemon
 – shrubby penstemon
 – shrubby penstemon
 
 
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Gairdner's penstemon
Distribution: Occurring east of the Cascades crest in Washington; Washington to Oregon, east to Idaho.
Habitat: Dry, open sagebrush desert and scablands, low to moderate elevations in the mountains.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
 – Gairdner's penstemon
 
 
 – 
glandular penstemon
Distribution: Occurring east of the Cascades crest in Washington; central Washington to north-central Oregon, and from southeastern Washington to eastern Oregon, east to Idaho.
Habitat: Open, often rocky hillsides and banks in the foothills, valleys, and lower mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 – sticky-stem penstemon
 – sticky-stem penstemon
 
 
 – tall beardtongue
Distribution: Occurring west of the Cascades crest in southwestern Washington; narrowly distributed from southwestern Washington to northwestern Oregon.
Habitat: Moist, lowland meadows and stream banks.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 
 – Lyall's penstemon
Distribution: Reported from east of the Cascades crest in northeastern Washington, but no specimens seen; southeastern British Columbia to northeastern Washington, east to Alberta, northern Idaho, and western Montana.
Habitat: Rocky slopes, talus, and rock outcrops.
Origin: Native
Flowers: June-July
Growth Duration: Perennial
 
 – egg-leaf beardtongue, broad-leaved penstemon
Distribution: Occurring on both sides of the Cascades crest in Washington; southern British Columbia to Oregon.
Habitat: Open woods below 3000 feet in elevation.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
 
 – Blue Mountains beardtongue, Pennell's beardtongue
Distribution: Occurring east of the Cascades crest in the Blue Mountains of southeastern Washington; southeastern Washington to the Blue Mountains in adjacent northeastern Oregon.
Habitat: Open, gravelly and sandy slopes and ridges, sometimes associated with ponderosa pine forest openings, at middle elevations.
Origin: Native
Flowers: May-June
Growth Duration: Perennial
 
 – 
small-flowered penstemon
Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Moist forest openings at moderate elevations to rocky slopes at high elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 – small-flowered penstemon
 – small-flowered penstemon
 
 
 – Chelan beardtongue
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Washington.
Habitat: Open, rocky places from the valleys and plains to moderate elevations in the mountains, and in the scablands in Washington.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 
 – 
Richardson's penstemon
Distribution: Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to north-central and northeast Oregon.
Habitat: Cliff crevices and other dry, rocky places at low to moderate elevations.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 – Richardson's penstemon
 
 
 – cliff beardtongue, rock penstemon
Distribution: Occurring on both sides of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California.
Habitat: Rock cliffs and rocky slopes from middle elevations in the mountains to the alpine.
Origin: Native
Flowers: May-August
Growth Duration: Perennial
 
 – Rydberg's beardtongue
Distribution: Occurring east of the Cascades in Washington; Washington to California, east to the Rocky Mountains.
Habitat: Meadows and moist, open slopes, occasionally on drier slopes with sagebrush, chiefly in the foothills and at moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 
 – Cascade penstemon
Distribution: Occurring on both sides of the Cascades crest and in the Olympic Mountains in Washington; southern British Columbia to Oregon.
Habitat: Moist to wet meadows and forest openings, from low elevations to the subalpine.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 
 – royal beardtongue, showy penstemon
Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada and Utah.
Habitat: Dry, open or sparsely wooded areas, often with sagebrush, juniper or ponderosa pine, mostly in the lowlands and foothills.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 
 – fine-toothed beardtongue, subserrate beardtongue
Distribution: Occurring chiefly east of the Cascades crest in Washington; north-central Washington to north-central Oregon.
Habitat: Open ponderosa pine forest and clearings at low elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 
 – 
whorled beardtongue
Distribution: Occurring chiefly east of the Cascades crest in the southeastern area of Washington; Southeast Washington south to adjacent Oregon and east to adjacent Idaho.
Habitat: Cliff crevices and dry, rocky banks and slopes at low elevations.
Origin: Native
Flowers: May-July
Growth Duration: Perennial
 – whorled beardtongue, whorled penstemon
 
 
 – elegant beardtongue, Blue Mountain penstemon
Distribution: Occurring east of the Cascades crest in Washington, where introduced in central Washington and native to the Blue Mountains region in southeastern Washington; Washington to California, east to Idaho and Utah.
Habitat: Open, rocky slopes, from the foothills to moderate elevations in the mountains.
Origin: Native and Introduced
Flowers: May-August
Growth Duration: Perennial
 
 – Washington beardtongue
Distribution: Occurring east of the Cascades crest, where endemic to Chelan and Okanogan in Washington.
Habitat: From open slopes and flats at moderate elevations to alpine meadows.
Origin: Native
Flowers: June-August
Growth Duration: Perennial
 
 – Wilcox's beardtongue
Distribution: Occurring east of the Cascades crest in eastern Washington; Washington to Oregon, east to Montana.
Habitat: Open or often wooded, sometimes in rocky places, from the foothills to moderate elevations in the mountains.
Origin: Native
Flowers: May-July
Growth Duration: Perennial