Hieracium umbellatum var. canadense (Michx.) Breitung Amer. Midl. Naturalist 58: 67 (1957)

Nomenclatural References

• literature : Amer. Midl. Naturalist 58: 67. 1957 BHL link from IPNI metadata.
• literature : Breitung, A. J. (1957). Annotated Catalogue of the Vascular Flora of Saskatchewan. American Midland Naturalist, 58(1), 1. https://doi.org/10.2307/2422363 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : André Michaux (1746-1802) Based on occurrence of standard abbreviation 'Michx.' in the authors string.
• person : August Johann Julius Breitung (1913-1987) Based on occurrence of standard abbreviation 'Breitung' in the authors string.
• database : IPNI record: 122499-2
• database : The Plant List version 1.0, record: gcc-4187
• database : The Plant List version 1.1, record: gcc-4187