| A framework for engaging stakeholders on the management of alien species A Novoa, R Shackleton, S Canavan, C Cybele, SJ Davies, ... Journal of environmental management 205, 286-297, 2018 | 209 | 2018 |
| Different traits determine introduction, naturalization and invasion success in woody plants: Proteaceae as a test case D Moodley, S Geerts, DM Richardson, JRU Wilson Plos one 8 (9), e75078, 2013 | 108 | 2013 |
| Hyper-specialization for long-billed bird pollination in a guild of South African plants: the Malachite Sunbird pollination syndrome S Geerts, A Pauw South African Journal of Botany 75 (4), 699-706, 2009 | 102 | 2009 |
| African sunbirds hover to pollinate an invasive hummingbird‐pollinated plant S Geerts, A Pauw Oikos 118 (4), 573-579, 2009 | 93 | 2009 |
| Pollination ecology of the invasive tree tobacco Nicotiana glauca: comparisons across native and non-native ranges J Ollerton, S Watts, S Connerty, J Lock, L Parker, I Wilson, S Schueller, ... Journal of Pollination Ecology 9, 2012 | 89 | 2012 |
| Easy technique for assessing pollination rates in the genus Erica reveals road impact on bird pollination in the Cape fynbos, South Africa S Geerts, A Pauw Austral Ecology 36 (6), 656-662, 2011 | 57 | 2011 |
| Eucalyptus camaldulensis in South Africa – past, present, future H Hirsch, MH Allsopp, S Canavan, M Cheek, S Geerts, CJ Geldenhuys, ... Transactions of the Royal Society of South Africa 75 (1), 1-22, 2020 | 55 | 2020 |
| Biotic interactions as mediators of biological invasions: insights from South Africa JJ Le Roux, S Clusella-Trullas, TM Mokotjomela, M Mairal, ... Biological Invasions in South Africa 35, 387-427, 2020 | 53 | 2020 |
| Biological invasions and ecological restoration in South Africa PM Holmes, KJ Esler, M Gaertner, S Geerts, SA Hall, MM Nsikani, ... Biological Invasions in South Africa, 665-700, 2020 | 46 | 2020 |
| The absence of fire can cause a lag phase: The invasion dynamics of Banksia ericifolia (Proteaceae) S Geerts, D Moodley, M Gaertner, JJ Le Roux, MA McGeoch, C Muofhe, ... Austral Ecology 38 (8), 931-941, 2013 | 46 | 2013 |
| Reduced flower visitation by nectar-feeding birds in response to fire in Cape fynbos vegetation, South Africa S Geerts, SDT Malherbe, A Pauw Journal of Ornithology 153, 297-301, 2012 | 44 | 2012 |
| The role of environmental factors in promoting and limiting biological invasions in South Africa JR Wilson, LC Foxcroft, S Geerts, MT Hoffman, S MacFadyen, J Measey, ... Biological Invasions in South Africa, 355-385, 2020 | 40 | 2020 |
| Montpellier broom (Genista monspessulana) and Spanish broom (Spartium junceum) in South Africa: An assessment of invasiveness and options for management S Geerts, PW Botha, V Visser, DM Richardson, JRU Wilson South African Journal of Botany 87, 134-145, 2013 | 38 | 2013 |
| The importance of pollinators and autonomous self‐fertilisation in the early stages of plant invasions: Banksia and Hakea (Proteaceae) as case studies D Moodley, S Geerts, DM Richardson, JRU Wilson Plant Biology 18 (1), 124-131, 2016 | 37 | 2016 |
| Invasive alien trees reduce bird species richness and abundance of mutualistic frugivores and nectarivores; a bird’s eye view on a conflict of interest species in riparian habitats JR Mangachena, S Geerts Ecological Research 32, 667-676, 2017 | 34 | 2017 |
| The cost of being specialized: pollinator limitation in the endangered geophyte Brunsvigia litoralis (Amaryllidaceae) in the Cape Floristic Region of South Africa S Geerts, A Pauw South African Journal of Botany 78, 159-164, 2012 | 34 | 2012 |
| Molecular systematics and ecology of invasive Kangaroo Paws in South Africa: management implications for a horticulturally important genus JJ Le Roux, S Geerts, P Ivey, S Krauss, DM Richardson, J Suda, ... Biological invasions 12, 3989-4002, 2010 | 33 | 2010 |
| Secondary invasion and weedy native species dominance after clearing invasive alien plants in South Africa: Status quo and prognosis MM Nsikani, S Geerts, S Ruwanza, DM Richardson South African Journal of Botany 132, 338-345, 2020 | 29 | 2020 |
| Urban ecology: emerging patterns and social-ecological systems P Verma, P Singh, R Singh, AS Raghubanshi Elsevier, 2020 | 27 | 2020 |
| Pink flower preference in sunbirds does not translate into plant fitness differences in a polymorphic Erica species A Heystek, S Geerts, P Barnard, A Pauw Evolutionary ecology 28, 457-470, 2014 | 27 | 2014 |
David M. RichardsonProfessor, Centre for Invasion Biology, Stellenbosch University, South AfricaVerified email at sun.ac.za
