Heracleum sibiricum L.
Annotated by Bruce A. Bennett, 22 Jun 2012. Remarks: Confirmed by M. Kuzmina; Former nature_of_id: student.

Yukon Territory: Klondike Highway, Henderson Corner. Elev. 370-370
64.055936° N, 139.044671° W,
Datum: World Geodetic System 1984. Coordinate Source: Assumed GPS unit. not recorded. unverified.
Locally common along roadside in gravels with Achillea alpina, Chamerion angustifolium, Petasites frigidus, Eurybia sibiria, Calamagrostis canadensis, Rubus acaulis, and R. idaeus. Only place seen. Http://arctos.database.museum/guid/UAM:Herb:248141.

Bruce A. Bennett 12-0112, June 22, 2012
With Maria Kuzmina, Hannah Barron
ALA, Catalog: UAM:Herb:248141, ALAAC=V172465