Helianthus × cinereus (Torr. & A.Gray) R.C.Jacks. & Guard Amer. Midl. Naturalist lviii. 428 (1957)

Nomenclatural References

• literature : Amer. Midl. Naturalist 58: 428. 1957 BHL link from IPNI metadata.
• literature : Jackson, R. C., & Guard, A. T. (1957). Natural and Artificial Hybridization Between Helianthus mollis and H. occidentalis. American Midland Naturalist, 58(2), 422. https://doi.org/10.2307/2422625 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Arthur Thomas Guard (b.1897) Based on occurrence of standard abbreviation 'Guard' in the authors string.
• person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
• person : John Torrey (1796-1873) Based on occurrence of standard abbreviation 'Torr.' in the authors string.
• person : Raymond Carl Jackson (1928-2008) Based on occurrence of standard abbreviation 'R.C.Jacks.' in the authors string.
• database : IPNI record: 212042-1
• database : The Plant List version 1.0, record: gcc-127387
• database : The Plant List version 1.1, record: gcc-127387