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Scientific Name | Xyris gerrardii N.E.Br. |
Higher Classification | Monocotyledons |
Family | XYRIDACEAE |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2018/01/15 |
Assessor(s) | H. Mtshali, F. Cholo, W. Foden & L. Potter |
Justification | Xyris gerrardii is a widespread and common species. Although there are many ongoing threats to its habitat, it is not yet in danger of extinction. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, North West |
Range | Xyris gerrardii occurs from the Soutpansberg and Blouberg in northern Limpopo Province to the KwaZulu-Natal Drakensberg. It also occurs in Zimbabwe and Tanzania. |
Habitat and Ecology |
Major system | Freshwater |
Major habitats | Grassland, Indian Ocean Coastal Belt, Savanna |
Description | This species occurs among grasses in swamps and along rivers. |
Threats |
Parts of this species' range are impacted by habitat loss and degradation, particularly loss to urban and agricultural expansion, as well as timber plantations. Spreading, unmanaged alien invasive plants are outcompeting native species at many localities. |
Population |
Population trend | Unknown |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Xyris gerrardii N.E.Br. | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Brown, N.E. 1897. Xyrideae. In: W.T. Thiselton-Dyer (ed). Flora Capensis VII (Pontederiaceae to Gramineae):2-7. L. Reeve & Co., Ltd., Ashford.
Cook, C.D.K. 2004. Aquatic and wetland plants of southern Africa. Backhuys Publishers, Leiden, The Netherlands.
Lewis, J. and Obermeyer, A.A. 1985. Xyridaceae. In: O.A. Leistner (ed). Flora of Southern Africa 4 Part 2 Xyridaceae-Juncaceae:1-8. Botanical Research Institute, Pretoria.
Lock, J. 1999. A synopsis of Xyris (Xyridaceae) in south-central Africa. Kew Bulletin 54(2):301-326.
Raimondo, D., von Staden, L., Foden, W., Victor, J.E., Helme, N.A., Turner, R.C., Kamundi, D.A. and Manyama, P.A. 2009. Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria.
Sieben, E.J.J. 2009. The status and distribution of vascular plants (Magnoliophyta, Lycophyta, Pteridophyta). In: W.R.T. Darwall, K.G. Smith, D. Tweddle and P. Skelton (eds.), The status and distribution of freshwater biodiversity in southern Africa (pp. 83-98), IUCN and SAIAB, Gland, Switzerland and Grahamstown, South Africa.
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Citation |
Mtshali, H., Cholo, F., Foden, W. & Potter, L. 2018. Xyris gerrardii N.E.Br. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |