Gravel.
Yukon: Central and southwestern Yukon
North America: BC, Yukon and Alaska
World: Western North America
This species can be separated from similar pinnate-pinnatifid species as follows (from Farrar, 2006*):
1a. Upper pinna bases rounded (angle > 90°) pinna tips rounded; sporophore stalk equal to trophophore length; sporophore pinnately branched...............................B. pinnate
1b. Upper pinna bases pointed (angle < 90°); pinna apices angular; sporophore stalk shorter than trophophore length; sporophore divided into three main branches ..............go to 2
2a. Trophophore outline triangular (equilateral) with basal pinnae nearly as large as the central rachis and pinnae; pinna pairs 3-4; pinnae narrowly ovate to oblong..................................................................B. lanceolatum
2b. Trophophore outline narrowly triangular to broadly ovate; basal pinnae not disproportionately enlarged;
pinna pairs 5-6; pinnae ovate to elliptic..................B. alaskense
Color | yellow |
---|---|
Plant | Adder’s Tongue Family (Ophioglossaceae), All (Plantae) |