Trujillo, D., Franke, T. and Agerer, R. 2011. Evidence of protandry in Aa Rchb.f. (Orchidaceae, Cranichideae). Lankesteriana: International Journal on Orchidology. 11, 3 (Nov. 2011). DOI:https://doi.org/10.15517/lank.v11i3.18302.