862402 Petasitesvitifolius Greene
Distribution
Hudson Bay - Labrador: Rare
Shrub Tundra: Rare
Bordering boreal or alpine areas: Frequent
- Greene, Leafl. Bot. Observ. Crit. 1: 180 (1906). Holotype (US-219559): Canada: Manitoba, Emerson, 10. June 1880, leg. J. Macoun. - Nardosmia xvitifolia (Greene) Á. Löve & D. Löve, Bot. Not. 128: 519 (1976). - Petasites frigidus var. xvitifolius (Greene) Cherniawsky, Canad. J. Bot. 76: 2072 (1998 1999).
- Petasites frigidus subsp. palmatus x P. sagittatus
2n=
60 (6x). - Canada (Manitoba). - Löve and Löve (1975d, 1982b).
Geography: North American (N): CAN.
Notes: Bogle (1968) and Cherniawsky and Bayer (1998a, 1998b, 1998c) interpreted Petasites x vitifolius to be the hybrid above. It occurs with scattered localities where the ranges of P. frigidus subsp. palmatus and P. sagittatus overlap but often in the absence of one or both parents.
Higher Taxa
- Petasites [8624,genus]