Coefficient of Conservatism:
Coefficient of Wetness:
Muddy or wet ditches, streams, springy banks, borders of swamps and ponds; moist openings, trails, and roadsides in forests. This species is found in western North America from British Columbia southward, primarily in the mountains. There is some question whether all the disjunct eastern populations are indigenous, but many are certainly in natural settings.
This is a lax, ± prostrate plant, with musky odor and very clammy pubescence.