| The staminal lever mechanism in Salvia L.(Lamiaceae): A key innovation for adaptive radiation R Claßen-Bockhoff, T Speck, E Tweraser, P Wester, S Thimm, M Reith Organisms Diversity & Evolution 4 (3), 189-205, 2004 | 188 | 2004 |
| The staminal lever mechanism in Salvia L.(Lamiaceae) - a review R Claßen-Bockhoff, P Wester, E Tweraser Plant Biology 5 (01), 33-41, 2003 | 129 | 2003 |
| Floral Diversity and Pollen Transfer Mechanisms in Bird-pollinated Salvia Species P Wester, R Claßen-Bockhoff Annals of Botany 100 (2), 401-421, 2007 | 122 | 2007 |
| Pollination Syndromes of New World Salvia Species with Special Reference to Bird Pollination P Wester, R Claßen-Bockhoff Annals of the Missouri Botanical Garden 98 (1), 101-156, 2011 | 101 | 2011 |
| Mice pollinate the Pagoda Lily, Whiteheadia bifolia (Hyacinthaceae)—First field observations with photographic documentation of rodent pollination in South Africa P Wester, R Stanway, A Pauw South African Journal of Botany 75 (4), 713-719, 2009 | 71 | 2009 |
| To be on the safe site–Ungroomed spots on the bee’s body and their importance for pollination L Koch, K Lunau, P Wester PLoS One 12 (9), e0182522, 2017 | 68 | 2017 |
| Bird pollination in South African Salvia species P Wester, R Claßen-Bockhoff Flora-Morphology, Distribution, Functional Ecology of Plants 201 (5), 396-406, 2006 | 63 | 2006 |
| Hummingbird pollination in Salvia haenkei (Lamiaceae) lacking the typical lever mechanism P Wester, R Claßen-Bockhoff Plant Systematics and evolution 257, 133-146, 2006 | 62 | 2006 |
| Plant–pollinator communication P Wester, K Lunau Advances in Botanical Research 82, 225-257, 2017 | 52 | 2017 |
| Stefan Vogel's analysis of floral syndromes in the South African flora: An appraisal based on 60 years of pollination studies SD Johnson, P Wester Flora 232, 200-206, 2017 | 45 | 2017 |
| Mimicry and deception in pollination K Lunau, P Wester Advances in Botanical Research 82, 259-279, 2017 | 29 | 2017 |
| Scent chemistry is key in the evolutionary transition between insect and mammal pollination in African pineapple lilies P Wester, SD Johnson, A Pauw New Phytologist 222 (3), 1624-1637, 2019 | 27 | 2019 |
| Sticky snack for sengis: The Cape rock elephant-shrew, Elephantulus edwardii (Macroscelidea), as a pollinator of the Pagoda lily, Whiteheadia bifolia (Hyacinthaceae) P Wester Naturwissenschaften 97 (12), 1107-1112, 2010 | 27 | 2010 |
| Feeding on the wing: Hovering in nectar-drinking Old World birds—More common than expected P Wester Emu-Austral Ornithology 114 (2), 171-183, 2014 | 19 | 2014 |
| Nectar feeding by the Cape rock elephant-shrew Elephantulus edwardii (Macroscelidea)—a primarily insectivorous mammal pollinates the parasite Hyobanche atropurpurea … P Wester Flora 206 (12), 997-1001, 2011 | 19 | 2011 |
| Bee Exclusion in Bird-Pollinated Salvia Flowers: The Role of Flower Color versus Flower Construction P Wester, L Cairampoma, S Haag, J Schramme, C Neumeyer, ... International Journal of Plant Sciences 181 (8), 770-786, 2020 | 16 | 2020 |
| Sunbirds hover at flowers of Salvia and Lycium P Wester Ostrich 84 (1), 27-32, 2013 | 16 | 2013 |
| The forgotten pollinators – First field evidence for nectar-feeding by primarily insectivorous elephant-shrews P Wester Journal of Pollination Ecology 16 (15), 108-111, 2015 | 15 | 2015 |
| The forgotten pollinators: First field evidence for nectar-feeding by primarily insectivorous Elephant-shrews. P Wester Veld & Flora 101, 84-85, 2015 | 15 | 2015 |
| First observations of nectar-drinking lizards on the African mainland P Wester Plant Ecology and Evolution 152 (1), 78-83, 2019 | 11 | 2019 |
