Faria Vieira M, John Shepherd G. Removal and insertion of pollinia in flowers of <i>Oxypetalum</i> (Asclepiadaceae) in southeastern Brazil. Rev. Biol. Trop. [Internet]. 2002Mar.1 [cited 2024Nov.25];50(1):37–43. Available from: https://revistas.ucr.ac.cr/index.php/rbt/article/view/16063