| Trifolium L. [620] | |
| Kew Bull., vol. 7(): : p. 372 (1952) [D.R. Thompson] [45] | |
| drawing: D.R. Thompson [27] | |
| Illustration contributed by: | JSTOR digital library, U.S.A. |
Kew Bull., vol. 7(): : p. 372 (1952) [D.R. Thompson]