Publication: Sp. Pl. 2: 804. 1753.
selected vouchers: WTU
Notes: FNA19: "The circumscription of Hieracium umbellatum adopted here is supported by research done by others, especially G. A. Guppy (1978) and E. Lepage (1960). Hieracium canadense var. kalmii (Linnaeus) Scoggan, referable here, is an illegitimate name."