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.
Flowers: March-June
Origin: Native
Growth Duration: Annual
Conservation Status: Not of concern
Glabrous, acaulescent annual from fibrous roots, the several scapes 1-10 cm. tall, exceeding the leaves.
Leaves all basal, narrowly linear, 1-7 cm. long.
Flowers inconspicuous, solitary on the leafless scapes; sepals 5, greenish, 1-nerved, spurred at the base, the spur nearly equaling the sepal; petals 5, whitish, linear, about equaling the sepals, early-deciduous; stamens 5; pistils 20-50, crowded on a cylindrical receptacle 5-10 mm. long.
Achene 1.5-2 mm. long with a divergent beak 0.8-1.5 mm. long.
Publication: Fl. Chil. 1: 31. 1845.
Myosurus minimus L. var. aristatus (Benth.) B. Boivin
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var. borealis – sedge mouse-tail
Occurring east of the Cascades crest in Washington; British Columbia to California, east to Sasketchewan, Montana, and Wyoming.
PNW Herbaria: Specimen records of Myosurus apetalus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Myosurus apetalus checklist entry
OregonFlora: Myosurus apetalus information
E-Flora BC: Myosurus apetalus atlas page
CalPhotos: Myosurus apetalus photos
