Bibliography
Source: Catalogue of Life
1 result
Pennell. (1935). Monogr. Acad. Nat. Sci. Philadelphia 1: 228 (1935). |
Citation
Penstemon wherryi Pennell in undefined
Source: Catalogue of Life
Pennell. (1935). Monogr. Acad. Nat. Sci. Philadelphia 1: 228 (1935). |
Penstemon wherryi Pennell in undefined