Photo: Jurene Kemp

Department of Botany and Zoology


biological interactions

© 2016 biological interactions

Anderson, B., Alexandersson, R. & Johnson, S.D. (2010). Evolution and coexistence of pollination ecotypes in an African Gladiolus (Iridaceae). Evolution, 64, 960–972.

Anderson, B., Cole, W.W. & Barrett, S.C.H. (2005a). Specialized bird perch aids cross-pollination. Nature, 435, 41–42.

Anderson, B., Johnson, S.D. & Carbutt, C. (2005b). Exploitation of a specialized mutualism by a deceptive orchid. Am. J. Bot., 92, 1342–1349.

Anderson, B. & Johnson, S.D. (2006). The effects of floral mimics and models on each others ’ fitness. Proc. R. Soc. B, 273, 969–974.

Anderson, B. & Johnson, S.D. (2008). The geographical mosaic of coevolution in a plant-pollinator mutualism. Evolution, 62, 220–225.

Anderson, B. & Johnson, S.D. (2009). Geographical covariation and local convergence of flower depth in a guild of fly-pollinated plants. New Phytol., 182, 533–540.

Anderson, B. & Midgley, J.J. (2002). It takes two to tango but three is a tangle: mutualists and cheaters on the carnivorous plant Roridula. Oecologia, 132, 369–373.

Anderson, B. & Midgley, J.J.(2003a). Digestive mutualism, an alternate pathway in plant carnivory. Oikos, 102, 221–224.

Anderson, B., Midgley, J.J. & Stewart, B. (2003b). Facilitated selfing offers reproductive assurance: a mutualism between a hemipteran and carnivorous plant. Am. J. Bot., 90, 1009–1015.

Bellstedt, D.U., Van Zyl, L., Marais, E.M., Bytebier, B., De Villiers, C.A., Makwarela, A.M., et al. (2008). Phylogenetic relationships , character evolution and biogeography of southern African members of Zygophyllum (Zygophyllaceae) based on three plastid regions. Mol. Phylogenet. Evol., 47, 932–949.

Cowling, R.M.J., Pressey, R.L., Lombard, A.T., Desmet, P.G. & Ellis, A.G. (1999). From representation to persistence: requirements for a sustainable system of conservation areas in the species-rich mediterranean-climate desert of southern Africa. Divers. Distrib., 5, 51–71.

Crous, P.W., Summerell, B.A., Shivas, R.G., Burgess, T.I., Decock, C.A., Dreyer, L.L., et al. (2012). Fungal Planet description sheets : 107 – 127. Persoonia, 28, 138–182.

De Jager, M.L., Dreyer, L.L., Ellis, A.G. (2011). Do pollinators influence the assembly of flower colours within plant communities? Oecologia, 166, 543–553.

Desmet, P.G., Cowling, R.M., Ellis, A.G. & Pressey, R.L. (2002). Integrating biosystematic data into conservation planning: perspectives from southern Africa’s Succulent Karoo. Syst. Biol., 51, 317–330.

Ellis, A.G. & Johnson, S.D. (1999). Do pollinators determine hybridization patterns in sympatric Satyrium (Orchidaceae) species? Plant Syst. Evol., 219, 137–150.

Ellis, A.G. & Midgley, J.J. (1996). A new plant-animal mutualism involving a plant with sticky leaves and a resident hemipteran insect. Oecologia, 106, 478–481.

Ellis, A.G. & Johnson, S.D. (2009). The evolution of floral variation without pollinator shifts in Gorteria diffusa (Asteraceae). Am. J. Bot., 96, 793–801.

Ellis, A.G. & Johnson, S.D. (2010). Floral mimicry enhances pollen export: the evolution of pollination by sexual deceit outside of the Orchidaceae. Am. Nat., 176, E143–E151.

Ellis, A.G. & Weis, A.E. (2006). Coexistence and differentiation of “flowering stones”: the role of local adaptation to soil microenvironment. J. Ecol., 94, 322–335.

Ellis, A.G., Weis, A.E. & Gaut, B.S. (2006). Evolutionary radiation of “stone plants ” in the genus Argyroderma (Aizoaceae): unraveling the effects of landscape, habitat, and flowering time. Evolution, 60, 39–55.

Franke, D.M., Ellis, A.G., Dharjwa, M., Freshwater, M., Franke, D.M., Ellis, A.G., et al. (2006). A steep cline in flowering time for Brassica rapa in southern California: population-level variation in the field and the greenhouse. Int. J. Plant Sci., 167, 83–92.

Geerts, S. & Pauw, A. (2009). African sunbirds hover to pollinate an invasive hummingbird-pollinated plant. Oikos, 118, 573–579.

Johnson, S.D., Ellis, A.G. & Dotterl, S. (2007). Specialization for pollination by beetles and wasps: the role of lollipop hairs and fragrance in Satyrium microrrhynchum (Orchidaceae), 94, 47–55.

Johnson, S.D., Pauw, A. & Midgley, J.J. (2001). Rodent pollination in the African lily Massonia depressa (Hyancithaceae). Am. J. Bot., 88, 1768–1773.

Newman, E., Anderson, B. & Johnson, S.D. (2012). Flower colour adaptation in a mimetic orchid. Proc. R. Soc. B, 279, 2309–2313

Oberlander, K.C., Emshwiller, E., Bellstedt, D.U. & Dreyer, L.L. (2009). A model of bulb evolution in the eudicot genus Oxalis (Oxalidaceae). Mol. Phylogenet. Evol., 51, 54–63.

Pauw, A. (1998). Pollen transfer on birds’ tongues. Nature, 394, 731–732.

Pauw, A. (2006). Floral syndromes accurately predict pollination by a specialized oil-collecting bee (Rediviva peringueyi, Melittidae) in a guild of South African Orchids (Coryciinae). Am. J. Bot., 93, 917–926.

Pauw, A. (2007). Collapse of a pollination web in small conservation areas. Ecology, 88, 1759–1769.

Pauw, A. & Hawkins, J.A. (2011). Reconstruction of historical pollination rates reveals linked declines of pollinators and plants. Oikos, 120, 344–349

Pauw, A., Stofberg, J., Waterman, R.J., Pauw, A., Stofberg, J. & Waterman, R.J. (2009). Flies and flowers in Darwin’s race. Evolution, 63, 268–279.

Penet, L., Nadot, S., Ressayre, A., Forchioni, A., Dreyer, L.L. & Gouyon, P.H. (2005). Multiple developmental pathways leading to a single morph: monosulcate pollen (examples from the Asparagales). Ann. Bot., 95, 331–343.

Peters, H.A., Pauw, A., Silman, M.R. & Terborgh, J.W. (2004). Falling palm fronds structure Amazonian rainforest sapling communities. Proc. R. Soc. B, 271, 367–369.

Ressayre, A., Dreyer, L.L., Triki-Teurtroy, S., Forchioni, A. & Nadot, S. (2005). Post-meiotic cytokinesis and pollen aperture pattern ontogeny: comparison of development in four species differing in aperture pattern. Am. J. Bot., 92, 576–583.

Rodger, J.G., Stone, G.N., Byrne, M., George, N., Harris, C., Johnson, S.D., et al. (2011). Reproductive biology of Australian acacias: important mediator of invasiveness? Divers. Distrib., 17, 911–933.

Roets, F., Beer, Z.W. De, Dreyer, L.L., Zipfel, R., Crous, P.W. & Michael, J. (2006). Multi-gene phylogeny for Ophiostoma spp . reveals two new species from Protea infructescences. Stud. Mycol., 55, 199–212.

Roets, F., Crous, P.W. & Wingfield, M.J. (2009). Mite-mediated hyperphoretic dispersal of Ophiostoma spp. from the infructescences of South African Protea spp. Behaviour, 38, 143–152.

Roets, F., Wingfield, M.J., Crous, P.W. & Dreyer, L.L. (2007). Discovery of fungus–mite mutualism in a unique niche. Plant-Insect Interact., 36, 1226–1237.

Verboom, G.A., Archibald, J.K., Bakker, F.T., Bellstedt, D.U., Conrad, F., Dreyer, L.L., et al. (2009). Origin and diversification of the Greater Cape flora: Ancient species repository, hot-bed of recent radiation, or both? Mol. Phylogenet. Evol., 51, 44–53.

Waterman, R.J., Bidartondo, M.I., Stofberg, J., Combs, J.K., Gebauer, G., Savolainen, V., et al. (2011). The effects of above- and belowground mutualisms on orchid speciation and coexistence. Am. Nat., 177, E54–E68.

Selected Publications