Orchidaceæ Halconenses: an enumeration of the orchids collected on or near Mount Halcon, Mindoro, chiefly by Elmer D. Merrill
Ames, Oakes, 1874-1950
Article
1907
The Philippine journal of science
2
311--337
BioStor
English
Manila Bureau of Science
BioStor: https://biostor.org/reference/134847