Herbarium Research

Research associated with the Bolus Herbarium covers a wide spectrum focussed on aspects of the Cape Flora such as endemism, biogeography and systematics and evolution.


Systematic and evolutionary work is current on the following groups:


  • Asclepiadoideae (Apocynaceae) P.V. Bruyns
  • Bryophytes T. Hedderson, C. Ah-Peng, N. Wilding
  • Euphorbiaceae P.V. Bruyns
  • Lampranthus group (Aizoaceae) C. Klak
  • Psoralea, Otholobium & Aspalathus C.H. Stirton & M. Muasya
  • Ruschioideae (Aizoaceae) C. Klak
  • (Rutaceae) T.H. Trinder-Smith


Broader Evolutionary work:


Contributions from the Bolus Herbarium (THOUGH DISCONTINUED IN 2006, VOLUMES REMAIN AVAILABLE
Follow this link for available volumes.


Recent publications by permanent - and associated staff, relevant to the holdings :

Ah-Peng, C*., N. Wilding*, J. Kluge, B. Deschamps-Julien, J. Bardat, M. Chuah-Petiot, D. Strasberg & T.A. Hedderson. 2012. Bryophyte diversity and range size distribution along two altitudinal gradients: continent vs. island. Acta Oecologia 42: 58-65.

Ah-Peng C*., Bardat, J., Hedderson, T., Pócs, T., Söderstrom, L., Staménoff, P., Wilbraham, J., & D. Strasberg. 2012. Bryophyte Red List of Réunion (Mascarene archipelago): liverworts and hornworts. Phytotaxa 68: 1-23.

Anderson, R. J.; Bolton, J. J.; Smit, A. J.; et al. 2012. The seaweeds of Angola: the transition between tropical and temperate marine floras on the west coast of southern Africa. African Journal of Marine Science 34(1): 1-13, DOI:10.2989/1814232X.2012.673267, Published: 2012.

Antunes, E.M. (Antunes, Edith M.)1; Afolayan, AF (Afolayan, Anthonia F.)1; Chiwakata, MT (Chiwakata, Maynard T.)1; Fakee, J (Fakee, Jameel)1; Knott, MG (Knott, Michael G.)1; Whibley, CE (Whibley, Catherine E.)2; Hendricks, DT (Hendricks, Denver T.)2; Bolton JJ (Bolton, John J.)3; Beukes, DR (Beukes, Denzil R.)1. (2011). Identification and in vitro anti-esophageal cancer activity of a series of halogenated monoterpenes isolated from the South African seaweeds Plocamium suhrii and Plocamium cornutum. Phytochemistry 2011   72: 769-772

Araya, Y.N., Silvertown, J, Gowing, DJ, McConway, KJ, Linder, HP, Midgley, GF. 2011. A fundamental, eco-hydrological basis for niche segregation in plant communities. New Phytologist 189: 253-258.

Bolton J.J, N Andreakis and RJ Anderson (2011) Molecular evidence for three separate cryptic introductions of the red seaweed Asparagopsis (Bonnemaisoniales, Rhodophyta) in South Africa. African Journal of Marine Science 2011, 33(2): 263–271

Bolton J.J., Bhagooli, R, Mattio L* (2012). The Mauritian Seaweed Flora: Diversity and Potential for Sustainable Utilisation. University of Mauritius Research Journal. 18: 6-27

Bolton, J. J.; Anderson, R. J.; Smit, A. J.; et al.  2012.  South African kelp moving eastwards: the discovery of Ecklonia maxima (Osbeck) Papenfuss at De Hoop Nature Reserve on the south coast of South Africa.  African Journal of Marine Science 34(1): 147-151

Bruyns, P.V., C. Klak & P. Hanácek. 2011. Age and diversity in Old World succulent species of Euphorbia (Euphorbiaceae). Taxon 60 (6): 1717-1733.

Bruyns, P.V. 2011. A new species of Sarcostemma (Apocynaceae-Asclepiadoideae-Asclepiadeae) from Yemen. South African Journal of Botany 77: 801--804.

Bruyns, P.V. 2012.  Nomenclature and typification of southern African species of Euphorbia. Bothalia 42: 217--245.

Bellstedt, D.U., Galley, C, Pirie, MD, Linder, HP. 2012. The Migration of the Palaeotropical Arid Flora: Zygophylloideae as an Example. Systematic Botany 37: 951-959.

Cho, S.M.; Lee, S.M.; Ko, Y.D.; Mattio, L.*; Boo, S.M.  2012.  Molecular systematic reassessment of Sargassum (Fucales, Phaeophyceae) in Korea using four gene regions.  Botanica Marina Volume: 55   Issue: 5 Pages: 473-484   DOI: 10.1515/bot-2012-0109   Published: OCT 2012

Clark V.R., Perera S.J, Stiller M., Stirton C.H., Weston P.H., Stoev P., Coombs G., Morris D.B., Ratnayake-Perera D., Barker N.P., McGregor G.K. 2012. A rapid multi-disciplinary biodiversity assessment of the Kamdebooberge (Sneeuberg, Eastern Cape, South Africa): implications for conservation. SpringerPlus 2012, 1: 56.

Claude E. Payr,1 Antoine D.R. N’Yeurt,1,2 and  Lydiane Mattio  Benthic Algal and  Seagrass Communities in  Baa Atoll, Maldives. Atoll Research Bulletin 590.

Da Silva, J. Donaldson, J., Reeves, G., & T.A. Hedderson. 2012. Population genetics and conservation of critically small cycad populations: a case study of the Albany Cycad, Encephalartos latifrons Lehmann. Biological Journal of the Linnaean Society 105: 293-308.

Davies T.J., Smith G.F., Bellstedt D.U., Boatwright J.S., Bytebier B., Cowling R.M., Forest F.l., Harmon L.J., Muasya A.M., Schrire B.D., Steenkamp Y., van der Bank M. & Savolainen V. (2011) Extinction Risk and Diversification Are Linked in a Plant Biodiversity Hotspot. PLoS Biol, 9, e1000620.

Dijoux, L ; Verbruggen, H; Mattio, L*; Duong, N; Payri, C.  2012.  Diversity of Halimeda (Bryopsidales, Chlorophyta) in New Caledonia: a Combined Morphological and Molecular Study.  Journal of Phycology  Volume: 48 Issue: 6 Pages: 1465-1481   DOI: 10.1111/jpy.12002   Published: DEC 2012.

Dupont, L.M., Linder, HP, Rommerskirchen, F, Schefuss, E. 2011. Climate-driven rampant speciation of the Cape flora. Journal of Biogeography 38: 1059-1068.

Ellis, L.T. + 48 additional authors including TAHedderson (in alphabetical order). 2012. New national and regional bryophyte records, 32. Journal of Bryology 34: 231-246.

Ellis, L.T. + 25 additional authors including TAHedderson (in alphabetical order). 2011. New national and regional bryophyte records, 29. Journal of Bryology 33: 316-323.

Gehrke B., Vrijdaghs A., Smets E., Muasya A.M. 2012. Unisexual flowers as a robust synapomorphy in Cariceae (Cyperaceae)? Evidence for bisexual flowers in Schoenoxiphium. South African of Botany 78: 150–158.

Hedderson, T.A. 2012. Bryobartramia schelpei, a new species to accommodate the South African populations of the genus. Journal of Bryology 34: 257-263.

Huber, M, Linder, HP. 2012. The evolutionary loss of aerenchyma limits both realized and fundamental ecohydrological niches in the Cape reeds (Restionaceae). Journal of Ecology 100: 1338-1348.

Humphreys, A.M., Antonelli, A, Pirie, MD, Linder, HP. 2011. Ecology and evolution of the diaspore "burial syndrome". Evolution 65: 1163-1180.

Jimenez, H.; Bigot, L.; Bourmaud, C.; Chabanet, P.; Gravier-Bonnet, N.; Hamel, M.A.; Payri, C.; Mattio, L.; Menou, J.L.; Naeem, S.; Rilwan, Y.; Sattar, S.; Scott, L.; Shiham, A.; Vigliola, L.; Andrefouet, S.  2012.  Multi-taxa coral reef community structure in relation to habitats in the Baa Atoll Man and Biosphere UNESCO Reserve (Maldives), and implications for its conservation.  Journal of Sea Research 72: 77-86, DOI: 10.1016/j.seares.2012.04.011, Published: AUG 2012.

Klak, C. 2011. New combinations in Antimima and Octopoma (Ruschioideae–Aizoaceae). Bothalia 41(2): 292-294.

Klak, C. & P.V. Bruyns. 2012. Phylogeny of the Dorotheantheae (Aizoaceae), a tribe of succulent annuals. Taxon 61(2): 293-307.

Klak, C. 2012. Two new species of Cleretum  (Ruschioideae-Dorotheantheae, Aizoaceae) from the Northern Cape, South Africa. Haseltonia 18: 29-35.

Larridon I., Reynders M., Huygh W., Bauters K., Van de Putte K., Muasya A.M., Boeckx P., Simpson D.A., Vrijdaghs A. & Goetghebeur P. 2011. Affinities in C3 Cyperus (Cyperaceae) revealed using molecular phylogenetic data and carbon isotope analysis. Botanical Journal of the Linnean Society 167: 19–46.

Linder, H.P. 2011. Gradual speciation in a global hotspot of plant diversity. Molecular Ecology 19: 4583-4585.

Linder, H.P. 2011. New species and combinations in the African Restionaceae. South African Journal of Botany 77: 415-424.

Linder, H.P, de Klerk, HM, Born, J, Burgess, ND, Fjeldså, J, Rahbek, C. 2012. The partitioning of Africa: statistically defined biogeographical regions in sub-Saharan Africa. Journal of Biogeography 39: 1189-1205.

Manyanga, P., Soderstrom, L. & T.A. Hedderson. 2011. Co-variation of life history characters in the family Lophoziaceae: a multivariate analysis. The Bryologist 114: 583-594

Marline, L., Andrimiarisoa, R., Bardat, J., Chuah-Petiot, M., Hedderson, T., Ah-Peng, C. 2012. Checklist of bryophytes from Madagascar. Cryptogamie Bryologie 33: 199-255.

Muasya A.M., J.-A. Viljoen, Stirton C.H. C Helme N.A. 2012. Two new leafless species of Ficinia (Cypereae, Cyperaceae) from the Greater Cape Floristic Region of South Africa. South African Journal of Botany 79: 96–101.

Muasya A.M., Reynders M., Goetghebeur P., Simpson D .A. & Vrijdaghs A. 2012. Dracoscirpoides (Cyperaceae) — a new genus from Southern Africa, its taxonomy and floral ontogeny. South African Journal of Botany 78: 104–115.

Muasya A.M., Viljoen J., Stirton C.H. 2011. Isolepis namaquana (Cypereae, Cyperaceae), a new endemic species from the winter rainfall area of South Africa. South African Journal of Botany 77: 55–58.

Peterson, PM, Romaschenko, K, Barker, NP, Linder, HP. 2011. Centropodieae and Ellisochloa, a new tribe and genus in Chloridoideae (Poaceae). Taxon 60: 1113-1122.

Silvertown, J, Araya, YN, Linder, HP, Gowing, DJ. 2012. Experimental investigation of the origin of fynbos plant community structure after fire.

Stirton C.H., Muasya A.M. & Vlok J. 2012. Psoralea karooensis (Psoraleeae, Fabaceae), a new species from the Klein Karoo region of South Africa. Phytokeys 17: 19–23.

Stirton C.H., Clark V.R, Barker N.P., Muasya A.M. (2011). Psoralea margaretiflora (Psoraleeae, Fabaceae): A new species from the Sneeuberg Centre of Floristic Endemism, Eastern Cape, South Africa. Phytokeys 5: 31–38.

Stirton C.H., Muasya A.M. 2011. Aspalathus abbottii (Fabaceae: Crotalarieae), a new species from KwaZulu-Natal, South Africa. South African Journal of Botany77: 675–679.

Verboom,G.A., Moore T.E., Hoffman V. & Cramer M.D. 2012. The roles of climate and soil nutrients in shaping the life histories of grasses native to the Cape Floristic Region. Plant Soil 335: 323-340.

Warren, B, Bakker, F, Bellstedt, D, Bytebier, B, ClaSZen-Bockhoff, R, Dreyer, L, Edwards, D, Forest, F, Galley, C, Hardy, C, Linder, HP, Muasya, AM, Mummenhoff, K, Oberlander, K, Quint, M, Richardson, J, Savolainen, V, Schrire, B, van der Niet, T, Verboom, GA, Yesson, C, Hawkins, J. 2011. Consistent phenological shifts in the making of a biodiversity hotspot: the Cape flora. Bmc Evolutionary Biology 11: 39.

Wilding, N & T.A. Hedderson. 2011. Entosthodon jamesonii and E. lindigii: two species new for Africa from the Indian Ocean Islands. Journal of Bryology 33: 326 – 327.

Yano O., Ikeda H., Watson M. F., Rajbhandari K. R., Jin  X-F, Hoshino T., Muasya A.M. & Ohba H. 2012. Phylogenetic position of the Himalayan genus Erioscirpus (Cyperaceae) inferred from DNA sequence data. Botanical Journal of the Linnean Society 170: 1–11.

Zander, R.H. & T.A. Hedderson. 2011. A new species of Crossidium (Pottiaceae, Bryophyta) from South Africa. Journal of Bryology 33: 304-307.

Zander, R.H. & T.A. Hedderson. 2011. Picobryum, a new genus of Pottiaceae (Bryophyta) from South Africa, and an erratum for Acaulonopsis. Journal of Bryology 33: 130-134.

*C. Ag-Peng and L. Mattio are Post-Doctoral Fellows whose work and publications on Hepatics and Marine Algae benefitted majorly from the use of the herbarium. N. Wilding is a PhD student in the Department of Biological Sciences.