Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Washington, east to Northwest Territories and Alberta.
Habitat: Wet meadows, streams and mossy banks in the moungtains
Flowers: July-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
Perennial herb with unbranched stems to 10 cm tall; from slender creeping rhizomes.
Simple, linear, to 1 cm long, in whorls of 5-8 along stem.
Tiny and inconspicuous, in worls at bases of leaves; mostly imperfect, lacking petals, and with 1 stamen.
Small reddish-green nutlike fruits in whorls at leaf bases.
Look for the delicate plants with narrow whorled leaves and minute flowers. H. vulgaris is a more robust plant with stems more than 1 mm thick and leaves mostly over 1 cm long.
Publication: Iconographia Botanica seu Plantae Criticae 1: 71, pl. 86, f. 181. 1823.
PNW Herbaria: Specimen records of Hippuris montana in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Hippuris montana checklist entry.
OregonFlora: Hippuris montana information.
E-Flora BC: Hippuris montana atlas page.
CalPhotos: Hippuris montana photos.
USDA Plants: Hippuris montana information.
