Nomenclature: wfo-0000066026

Rhodora 56: 202. 1954 designated hybrid by R.W. Long in publ. cited here. Asa Gray (1810-1888) John Torrey (1796-1873) Nathaniel Lord Britton (1859-1934)

Helianthus × ambiguus (Torr. & A.Gray) Britton Rhodora 56: 202 (1954)

Nomenclatural References


Taxonomy: Unplaced in 2018-07

Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06

Associated Names

These are genera with the same genus name in this classification but a taxonomist hasn't confirmed this as a good taxon or synonym.