TY  - JOUR 
T1  - Gecropia purpurascens, a new species for Brazilian Amazonia
JO  - Acta Amazonica
A1  - Berg, C. C.
SN  - 0044-5967
UL  - 10.1590/1809-43921977072185
VL  - 7 
Y1  - 1977
PB  - Brasil 
ER  -