SAMARAS OF AUSTROPLENCKIA POPULNEA (CELASTRACEAE): NEW CONSTITUENTS AND EFFECT OF EXTRACTS AND FRIEDELIN ON GERMINATION OF BIDENS PILOSA (ASTERACEAE) Journal title: International Journal of Pharmacy and Pharmaceutical Sciences Authors: Carolina M Caneschi, Shiara M Souza, Thais S Certo, Gustavo H B Souza, Michele S Tacchi Campos, Luci... Subject(s):