Ribeiro, P. L.; Borba, E.; Smidt, E.; Lambert, S.; Selbach-Schnadelbach, A.; den Berg, C. V. Genetic and Morphological Variation in the Bulbophyllum Exaltatum (Orchidaceae) Complex Occurring in the Brazilian “Campos Rupestres”: Implications for Taxonomy and Biogeography. LIJO 2015, 7.