Ribeiro, P. L., Borba, E., Smidt, E., Lambert, S., Selbach-Schnadelbach, A. and den Berg, C. V. (2015) “Genetic and morphological variation in the Bulbophyllum exaltatum (Orchidaceae) complex occurring in the Brazilian ‘Campos Rupestres’: implications for taxonomy and biogeography”, Lankesteriana: International Journal on Orchidology, 7(1-2). doi: 10.15517/lank.v7i1-2.18446.