670103 Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn
Distribution
Hudson Bay - Labrador: Persistent (Adventive)
Shrub Tundra: Persistent (Adventive)
Bordering boreal or alpine areas: Rare
- Dorn, Vasc. Pl. Wyoming: 296 (1988). - Sisymbrium incanum Bernh. ex Fisch. & C.A. Mey., Index Sem. Hort. Petrop. 1: 38 (1835). Syntypes: Canada: "in the low grounds, from lat. 50 degrees to 60 degrees", leg. J. Richardson; "plentiful about the Saskatchewan and Red Rivers", leg. D. Douglas.
- Sisymbrium richardsonii Sweet, Hort. Brit., ed. 2: 30 (1830). - Descurainia richardsonii Sweet ex O.E. Schulz in Engl., Pflanzenreich IV-105, 86: 318 (1924) nom. illeg., sine descr..
2n=
14 (2x). - Canada. - Mulligan (1961); Löve and Löve (1982a, for D. richardsonii).
Geography: North American: CAN*.
Notes: Elven: Porsild and Cody (1980) mapped Descurainia incana (as D. richardsonii) to reach the Churchill area on the southwestern Hudson Bay in Manitoba but it is not clear whether it is established there.
See Rollins (1993) and Holmgren et al. (2005) for a discussion of the priority species name.
Higher Taxa
- Descurainia [6701,genus]