Hieracium umbellatum subvar. trachycorium Zahn (1922: 910) .

Ind. loc.: “Assiniboia (R. Hoyer)!”

Holotype:— CANADA. Saskatchewan: Assiniboia, Edenwald, 1896, R. Hoyer (B barcode B 10 1154510]!).— Current name: Hieracium umbellatum Linnaeus (1753: 804) .

Remarks: —Determined by Zahn in 1921.