Nomenclature: wfo-0000031380

Bull. Torrey Bot. Club 32: 612. 1905

Carduus spathulatus Osterh. Bull. Torrey Bot. Club 32: 612 (1905)

Nomenclatural References


Taxonomy: Synonym in 2022-06

Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06 : 9999-01

Accepted name is: Cirsium clavatum var. americanum (A.Gray) D.J.Keil

Placement