Taxon profile
Included taxa
Number of records: 2species Plectocephalus americanus (Nuttall) D. Don
- American Star-thistle
species Plectocephalus rothrockii (Greenman) D. J. N. Hind
- Rothrock's Knapweed
Links and literature
The Interim Register of Marine and Nonmarine Genera [1352420]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [http://www.irmng.org] [as Plectocephalus D. Don in Sweet, 1830]
Data retrieved on: 5 January 2020
C. Ulloa et al. (2017): An integrated assessment of the vascular plant species of the Americas, Science. 358. 1614-1617 [as Plectocephalus D. Don]Data retrieved on: 19 September 2019