Phytogeographical notes on the Brazilian Amazon /
A. Duke and George A. Black. -
- Rio de Janeiro : Academia Brasileira de Ciencias , 1953.
- 46 p. : maps.
Photocopied from Anais da Academia Brasileira de Ciencias, V. 24, no . 1, March 1953.
Phytogeography-Brazil. Phytogeography-Amazon River Region (Brazil).