Entry From
Flora of North America, Vol 19,
Names
Hieracium pilosella Linnaeus [family COMPOSITAE], Sp. Pl., 2: 800. 1753
Hieracium pilosella var. niveum Müller Argoviensis [family COMPOSITAE]
Pilosella officinarum F. W. Schultz & Schultz-Bipontinus [family COMPOSITAE]