TY  - JOUR 
T1  - Pollen morphology of Rubiaceae Juss. species occurring in an area of caatinga (dryland) vegetation in Bahia State, Brazil
JO  - Acta Botanica Brasilica
A1  - Silveira Júnior, Cristiano Eduardo Amaral
A1  - Saba, Marileide Dias
A1  - Jardim, Jomar Gomes
SN  - 0102-3306
UL  - 10.1590/S0102-33062012000200020
VL  - 26 
Y1  - 2012
PB  - Brazil 
ER  -