610204 Betula papyrifera Marshall
Distribution
Hudson Bay - Labrador: Rare
Shrub Tundra: Rare
Bordering boreal or alpine areas: Frequent
- Marshall, Arbust. Amer.: 19 (1785). Described from North America.
2n=
(1) 54 56 (4x). - Canada. - Numerous reports.
(2) 70 (5x). - Canada. - Numerous reports.
(3) 84 (6x). - Canada. - Numerous reports.
Furlow (1997) accepted 2n = 56 (4x), 70 (5x), and 84 (6x).
Not included: Very many chromosome numbers are recorded for B. papyrifera. Fedorov (1969) and the IOPB lists have the following additional numbers: 2n = 28 (Löve and Löve 1982a); 62, ca. 130, and ca. 160 (Valanne 1972).
Geography: North American: CAN.
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Source: Radomil at Wikispecies
Higher Taxa
- Betula [6102,genus]