Citation: Sm. Perold, Studies in the liverwort genus Fossombronia (Metzgeriales) from southern Africa. 11. F-zuurbergensis, a new species from Eastern Cape and new recordsfor the area, BOTHALIA, 31(1), 2001, pp. 25-29
Citation: Sm. Perold, Studies in the Sphaerocarpales (Hepaticae) from southern Africa. 3. The genus Riella and its local species, BOTHALIA, 30(2), 2000, pp. 125-142
Citation: Wr. Harding et al., Hepaticae and Zannichelliaceae - New records from an ephemeral pan, Blouvlei, in Western Cape, South Africa, BOTHALIA, 30(2), 2000, pp. 157-159
Citation: Sm. Perold, Studies in the Sphaerocarpales (Hepaticae) from southern Africa. 2. The genus Sphaerocarpos and its only local species, S-stipitatus, BOTHALIA, 30(1), 2000, pp. 17-24
Citation: Sm. Perold, Studies in the Sphaerocarpales (Hepaticae) from southern Africa. 1. The genus Monocarpus and its only member, M. sphaerocarpus, BOTHALIA, 29(2), 1999, pp. 225-230
Citation: Sm. Perold, Studies in the liverwort genus Fossombronia (Metzgeriales) from southern Africa. 7. F-capensis var. spiralis, a new variety from Western Cape, BOTHALIA, 29(1), 1999, pp. 1-4
Citation: Sm. Perold, Studies in the liverwort genus Fossombronia (Metzgeriales) from southern Africa. 8. F-elsieae and F-spinosa, two new Western Cape species with spinose spores, BOTHALIA, 29(1), 1999, pp. 25-33
Citation: Sm. Perold, Studies in the liverwort genus Fossombronia (Metzgeriales) from southern Africa. 9. A new species from Mpumalanga and KwaZulu-Natal, with notes on other species, BOTHALIA, 29(1), 1999, pp. 77-82
Citation: Sm. Perold, Studies in the liverwort genus Fossombronia (Metzgeriales) from southern Africa. 10. Three new species from Northern and Western Cape, BOTHALIA, 29(1), 1999, pp. 83-93
Citation: Sm. Perold, Studies in the liverwort genus Fossombronia (Metzgeriales) from southern Africa. 6. New species from Lesotho, Swaziland and Mpumalanga and new records from Lesotho, BOTHALIA, 28(2), 1998, pp. 159-165
Citation: Sm. Perold, Metzgeriales-Fossombroniaceae. Fossombronia occidento-africana: Is it conspecific with F-indica?, BOTHALIA, 28(2), 1998, pp. 183-187