Sporophores: 2- to 3-pinnate, 1.2-2 times length of trophophores.
Trophophores: Broadly triangular, stalks 2-15 cm long, wintergreen, thick, leathery, smooth, ternate and 3- to 4-pinnate, up to 25-35 cm long and about as wide; pinnae to 10 pairs, all in the plane of the blade; pinnules lopsided egg-shaped, rounded with entire margins.
Moist to wet meadows, grassy clearings, lake margins, riverbanks, alluvial forests in the lowland and montane zones; frequent south of 55degreeN; circumpolar, N to AK, E to NF and S to MA, NY, WV, OH, IL, IA, SD, CO, AZ and CA; Eurasia.
Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC:
Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for
Advanced Spatial Analysis, Department of Geography, University of British
Columbia, Vancouver. [Accessed:
2021-04-13 6:38:40 AM
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