Alyssum americanum Greene
[= Alyssum obovatum]
Annotated by unknown, 12 Sep 2007. Remarks: Identification taken from herbarium sheet folder.; Former nature_of_id: legacy.

Yukon Territory: Ca 13 mi due west of Sam Lake. Elev. 762-762
68.383333° N, 139.133333° W,
Coordinate Source: Assumed GPS unit. not recorded. unverified.
Ordovician-Silurian(?) limestone ridge top in rock stripes and patchy vegetation, with Dryas integrifolia, Salix sp., Hedysarum alpinum, Patentilla, Phlox, Draba, Alyssum, Oxytropis, Arenaria, and Braya. Entered by ALA Imaging Project - more data will be available after images are scanned. Http://arctos.database.museum/guid/UAM:Herb:116379.

Stanley L. Welsh s.n., 9 July 1970
With J. K. Rigby
ALA, Catalog: UAM:Herb:116379, ALAAC=44534