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Scientific Name | Najas setacea (A.Br.) Rendle |
Higher Classification | Monocotyledons |
Family | NAJADACEAE |
National Status |
Status and Criteria | Data Deficient - Insufficient Information |
Assessment Date | 2018/07/23 |
Assessor(s) | H. Mtshali, W. Foden & L. Potter |
Justification | Only known from one record, collected in 1986. Not enough is known about the distribution and population status of this species to determine its status. Based on currently available data, its risk of extinction cannot be assessed. It is listed as Data Deficient. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | KwaZulu-Natal |
Range | Najas setacea has been found in northern KwaZulu-Natal at Ndumu Game Reserve. It also occurs in Seychelles, Mauritius and Madagascar. |
Habitat and Ecology |
Major system | Freshwater |
Major habitats | Savanna |
Description | Plants grow in shallow water at the edge of the pan. |
Threats |
| Threats to this species are currently unknown. |
Population |
This species is only known from one location, from a collection made in 1986. The population trend is unknown, but is suspected to be stable. There is an urgent need to search for this species to ascertain whether it still survives.
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Population trend | Unknown |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Najas setacea (A.Br.) Rendle | DDD | 2020.1 | | Najas setacea (A.Br.) Rendle | Data Deficient (Taxonomically Problematic) | Raimondo et al. (2009) | |
Bibliography |
Cook, C.D.K. 2004. Aquatic and wetland plants of southern Africa. Backhuys Publishers, Leiden, The Netherlands.
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.
Triest, L. 1988. First Record of Najas Setacea (A. Br.) Rendle from Continental Africa. Bulletin Du Jardin Botanique National De Belgique 58(1/2):260-261.
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Citation |
| Mtshali, H., Foden, W. & Potter, L. 2018. Najas setacea (A.Br.) Rendle. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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