TY  - JOUR 
T1  - Temporal variation of Nitella furcata subsp. mucronata var. mucronata f. oligospira (Charophyceae) in the Ninféias pond, São Paulo State, southeast Brazil
JO  - Acta Botanica Brasilica
A1  - Bueno, Norma Catarina
A1  - Bicudo, Carlos Eduardo de Mattos
SN  - 0102-3306
UL  - 10.1590/S0102-33062006000100001
VL  - 20 
Y1  - 2006
PB  - Brasil 
ER  -