| Grassland biome L Mucina | 207 | 2006 |
| Ericaceae PF Stevens, J Luteyn, EGH Oliver, TL Bell, EA Brown, RK Crowden, ... Flowering Plants· Dicotyledons: Celastrales, Oxalidales, Rosales, Cornales …, 2004 | 141 | 2004 |
| Pollination syndromes of Erica species in the south-western Cape AG Rebelo, WR Siegfried, EGH Oliver South African Journal of Botany 51 (4), 270-280, 1985 | 103 | 1985 |
| Geographical distribution of present-day Cape taxa and their phytogeographical significance EGH Oliver, HP Linder, JP Rourke Bothalia 14 (3/4), 427-440, 1983 | 101 | 1983 |
| Ericas in Southern Africa. HA Baker, EGH Oliver | 93 | 1967 |
| Systematics of Ericeae (Ericaceae: Ericoideae): species with indehiscent and partially dehiscent fruits EGH Oliver (No Title), 2000 | 74 | 2000 |
| The biodiversity hotspot as evolutionary hot-bed: spectacular radiation of Erica in the Cape Floristic Region MD Pirie, EGH Oliver, A Mugrabi de Kuppler, B Gehrke, NC Le Maitre, ... BMC Evolutionary Biology 16, 1-11, 2016 | 68 | 2016 |
| A densely sampled ITS phylogeny of the Cape flagship genus Erica L. suggests numerous shifts in floral macro-morphology MD Pirie, EGH Oliver, DU Bellstedt Molecular phylogenetics and evolution 61 (2), 593-601, 2011 | 65 | 2011 |
| Ericas of South Africa D Schumann, G Kirsten, EGH Oliver Fernwood Press, 1992 | 64 | 1992 |
| The ericoideae (Ericaceae)–a review EGH Oliver Contributions from the Bolus Herbarium 13, 158-208, 1991 | 57 | 1991 |
| Ericaceae EGH Oliver Bothalia 13 (3/4), 446-449, 1981 | 38* | 1981 |
| Testing reticulate versus coalescent origins of Erica lusitanica using a species phylogeny of the northern heathers (Ericeae, Ericaceae) ALM De Kuppler, J Fagúndez, DU Bellstedt, EGH Oliver, J Léon, MD Pirie Molecular Phylogenetics and Evolution 88, 121-131, 2015 | 36 | 2015 |
| The genus Erica (Ericaceae) in southern Africa: taxonomic notes 1 EGH Oliver, IM Oliver Bothalia 32 (1), 37-61, 2002 | 36 | 2002 |
| The Ericoideae and the southern African heathers EGH Oliver Botanical Journal of the Linnean Society 101 (3), 319-327, 1989 | 32 | 1989 |
| The high altitude flora and vegetation of the Cape Floristic Region, South Africa HP Linder, JH Vlok, DJ McDonald, EGH Oliver, C Boucher, BE Van Wyk, ... Opera Botanica 121, 247-261, 1993 | 30 | 1993 |
| Mugrabi de Kuppler A, Gehrke B, Le Maitre NC, Kandziora M, Bellstedt DU (2016) The biodiversity hotspot as evolutionary hot-bed: spectacular radiation of Erica in the Cape … MD Pirie, EGH Oliver BMC Evolutionary Biology 16 (1), 190, 0 | 24 | |
| OXALIDACEAE-A NEW SPECIES OF OXALIS FROM THE WESTERN CAPE EGH Oliver Bothalia 23 (1), 72-74, 1993 | 22 | 1993 |
| Genus Erica: An identification aid version 4.00 EGH Oliver, N Forshaw, IM Oliver, F Volk, AWS Schumann, LJ Dorr, ... PhytoKeys 241, 143, 2024 | 18 | 2024 |
| Leaps and bounds: geographical and ecological distance constrained the colonisation of the Afrotemperate by Erica MD Pirie, M Kandziora, NM Nürk, NC Le Maitre, A Mugrabi de Kuppler, ... BMC Evolutionary Biology 19, 1-12, 2019 | 18 | 2019 |
| The genus Erica (Ericaceae) in southern Africa: taxonomic notes 2 EGH Oliver, IM Oliver Bothalia 35 (2), 121-148, 2005 | 17 | 2005 |
