Pollen grains of five species of Ericaceae (Agarista oleifolia (Cham.) G. Don, Gaylussacia brasiliensis (Spr.) Meissn., Olacaceae (Heisteria silvianii Schwacke) and Trigoniaceae (Trigonia nivea Camb., T. paniculata Warm.), ocurring in the "Reserva do Parque Estadual das Fontes do Ipiranga" were studied in the present work. Descriptions, illustrations, and observations are presented, for all taxa studied.
Ericaceae; Olacaceae; pollen; Trigoniaceae