640803b Dryas punctata subsp. alaskensis (A.E. Porsild) Jurtz.
Distribution
East Chukotka: Rare
Western Alaska: Frequent
Northern Alaska - Yukon: Frequent
Southern Arcti Tundra: Rare
Shrub Tundra: Frequent
Bordering boreal or alpine areas: Frequent
- Jurtz., Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 85, 6: 101 (1980). - Dryas alaskensis A.E. Porsild, Canad. Field-Naturalist 61: 187 (1947). Type (CAN): Alaska: the Alaska Range, Castner Glacier, 6325'N, 14540'W, 27. June 1927, leg. A.E. Porsild and R.T. Porsild. - Dryas octopetala subsp. alaskensis (A.E. Porsild) Hultén, Svensk Bot. Tidskr. 53: 532 (1959).
2n=
18 (2x). - Alaska, Canada (Yukon). - Knaben (1968); Mulligan and Porsild (1969b).
Geography: Amphi-Beringian (E): RFE ALA CAN.
Notes: Elven and Murray: We are not convinced that subsp. alaskensis and subsp. punctata are as closely related as suggested by Yurtsev. An alternative is to accept Dryas alaskensis or D. alaskensis + D. hookeriana as one species.
Higher Taxa
- Dryas punctata [640803,species]