Sebastian, Patrizia; Schaefer, Hanno; Lira, Rafael; Telford, Ian R. H.; Renner, Susanne S. Radiation following long-distance dispersal: the contributions of time, opportunity and diaspore morphology in Sicyos (Cucurbitaceae). Journal of Biogeography. 2012, 39 (8): 1427–1438. doi:10.1111/j.1365-2699.2012.02695.x.