Studies in the genus hypericum l: Infrageneric classification
Robson, Norman Keith Bonner
Studies in the genus hypericum l: Infrageneric classification - London: The British Museum, 1977 - 355p.
0068-2292
Hypericum
Classification
582.5.9(42) / L7
Studies in the genus hypericum l: Infrageneric classification - London: The British Museum, 1977 - 355p.
0068-2292
Hypericum
Classification
582.5.9(42) / L7