Welw. 1869 - Welwitsch F (1869) SERTUM ANGOLENSE, SIVE STIRPIUM QUARUNDAM NOVARUM VEL MINUS COGNITARUM. Transactions of the Linnean Society of London 27(1): 1-94. doi: 10.1111/j.1096-3642.1869.tb00202.x.
There is no corrections for Dorstenia vivipara yet.