Hieracium canadense var. kalmii (Linnaeus) Scoggan nom. illeg.
Hieracium canadense var. kalmii (Linnaeus) Scoggan nom. illeg. is a synonym sensu FNA Ed. Comm., 2006a of:
Hieracium umbellatum Linnaeus, an accepted species name sensu FNA Ed. Comm., 2006a.