Supplement to the catalogue of the vascular plants of S. Tome: With principe and annobon
Exell, Arthur Wallis
Supplement to the catalogue of the vascular plants of S. Tome: With principe and annobon - London: British Museum, 1956 - 58p.
Catalogue
582
Supplement to the catalogue of the vascular plants of S. Tome: With principe and annobon - London: British Museum, 1956 - 58p.
Catalogue
582