Bibliography
Source: Catalogue of Life
1 result
Rydb. (1895). Contr. U.S. Natl. Herb. 3: 167 (1895). |
Citation
Carduus plattensis var. spinosior Rydb. in undefined
Source: Catalogue of Life
Rydb. (1895). Contr. U.S. Natl. Herb. 3: 167 (1895). |
Carduus plattensis var. spinosior Rydb. in undefined