TY  - JOUR 
T1  - Vitality of lichens under different light climates in an Araucaria forest (Pró-Mata RS, South Brazil) as determined by chlorophyll fluorescence
JO  - Acta Botanica Brasilica
A1  - Hampp, Rüdiger
A1  - Cardoso, Nelsa
A1  - Fleig, Mariana
A1  - Grüninger, Werner
SN  - 0102-3306
UL  - 10.1590/0102-33062017abb0187
VL  - 32 
Y1  - 2018
PB  - Brasil 
ER  -