Woodsia alpina (Alpine Woodsia) is a species of perennialherb in the family Woodsiaceae. They are native to Canada, Greenland, Alaska, and The Contiguous United States. They have alternation of generations.
Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic