[1]
Smith, J.F. et al. 1998. A cladistic analysis of ndhF sequences from representative species of Saintpaulia and Streptocarpus subgenera Streptocarpus and Streptocarpella (Gesneriaceae). Edinburgh Journal of Botany. 55, 1 (Mar. 1998), 1–11. DOI:https://doi.org/10.1017/S0960428600004315.