⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-13010481, and has not been changed.

Lupinus cottonii C.P. Sm. is a synonym of Lupinus arcticus var. cottonii (C.P. Sm.) C.P. Sm.

This name is a synonym of Lupinus arcticus var. cottonii (C.P. Sm.) C.P. Sm..

The record derives from Tropicos which reports it as a synonym (record 13010481) with original publication details: Bull. Torrey Bot. Club 51(7): 309 309 1924.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:145027-2.