Myosurus
mouse-tail
4 species
1 subspecies and varieties
1 subspecies and varieties
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Myosurus ×alopecuroides – hybrid mouse-tail
Distribution: Occurring east of the Cascades crest in Washington; eastern Washington to California, east to Elmore County, Idaho.
Habitat: Verrnal pools and alkali flats in sagebrush desert.
Origin: Native
Flowers: March-May
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; eastern Washington to California, east to Elmore County, Idaho.
Habitat: Verrnal pools and alkali flats in sagebrush desert.
Origin: Native
Flowers: March-May
Growth Duration: Annual
Myosurus apetalus – bristly mouse-tail, sedge mouse-tail
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Wyoming.
Habitat: Moist areas and vernal streambeds, mostly low elevation grasslands and sagebrush, occasionally to subalpine.
Origin: Native
Flowers: March-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to Wyoming.
Habitat: Moist areas and vernal streambeds, mostly low elevation grasslands and sagebrush, occasionally to subalpine.
Origin: Native
Flowers: March-June
Growth Duration: Annual
• var. borealis – sedge mouse-tail
Myosurus minimus – tiny mouse-tail
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to south-central Canada and across the central U.S. to the southeastern states.
Habitat: Wet places, especially vernal pools.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to south-central Canada and across the central U.S. to the southeastern states.
Habitat: Wet places, especially vernal pools.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Myosurus sessilis – shor-tstemmed mouse-tail, vernal pool mouse-tail
Distribution: Occurring east of the Cascades crest in Washington, where known from Klickitat County in Washington; South-central Washington to north-central Oregon, also in central California.
Habitat: Vernal pools.
Origin: Native
Flowers: April-June
Growth Duration: Annual
Distribution: Occurring east of the Cascades crest in Washington, where known from Klickitat County in Washington; South-central Washington to north-central Oregon, also in central California.
Habitat: Vernal pools.
Origin: Native
Flowers: April-June
Growth Duration: Annual
