Citation: Rl. Verhoeven et Hjt. Venter, POLLINIUM IN SCHLECHTERELLA - PERIPLOCOIDEAE (APOCYNACEAE), South African journal of botany, 64(4), 1998, pp. 256-257
Citation: Hjt. Venter et Rl. Verhoeven, RAPHIONACME MOYALICUS (PERIPLOCACEAE), A NEW SPECIES FROM KENYA, South African journal of botany, 63(2), 1997, pp. 100-103
Citation: Hjt. Venter et Rl. Verhoeven, RAPHIONACME HAENELIAE (PERIPLOCACEAE), A NEW SPECIES FROM THE NAMIB DESERT, NAMIBIA, South African journal of botany, 62(6), 1996, pp. 316-320
Citation: Hjt. Venter et Rl. Verhoeven, THE MINOR CONFUSION AROUND PARQUETINA-NIGRESCENS (PERIPLOCACEAE), South African journal of botany, 62(1), 1996, pp. 23-30
Citation: Hjt. Venter et Rl. Verhoeven, MACLAUDIA FELIXII, A NEW GENUS AND SPECIES IN THE PERIPLOCACEAE FROM GUINEA, WEST-AFRICA, Biological Journal of the Linnean Society, 115(1), 1994, pp. 57-63
Citation: Hjt. Venter et Rl. Verhoeven, THE IDENTITY OF PERIPLOCA-SOMALIENSE (PERIPLOCACEAE), South African journal of botany, 59(2), 1993, pp. 215-217
Citation: Rl. Verhoeven et Hjt. Venter, POLLEN MORPHOLOGY OF CURRORIA, MONDIA, SOCOTRANTHUS AND STOMATOSTEMMA(PERIPLOCACEAE), Bothalia, 23(1), 1993, pp. 105-110