Waterklawer

Taxonomy
Scientific Name
Marsilea macrocarpa C.Presl
Higher Classification
Ferns
Family
MARSILEACEAE
Synonyms
Marsilea dregeana A.Braun, Marsilea fischeri Hieron., Marsilea macrocarpa C.Presl var. dissecta Sim, Marsilea macrocarpa C.Presl var. lobata Sim, Marsilea rotundata A.Braun, Zaluzianskya macrocarpa (C.Presl) Kuntze
Common Names
Waterklawer (a)
National Status
Status and Criteria
Least Concern
Assessment Date
2017/09/11
Assessor(s)
H. Mtshali, F. Cholo & W. Foden
Justification
Marsilea macrocarpa is a widespread and common species that is not in danger of extinction. It is therefore assessed as Least Concern.
Distribution
Endemism
Not endemic to South Africa
Provincial distribution
Eastern Cape, Free State, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, North West
Range
This speciws is widespread across central to eastern South Africa, from Port Elizabeth to Musina. It is also widespread outside of South Africa.
Habitat and Ecology
Major system
Freshwater
Major habitats
Albany Thicket, Fynbos, Grassland, Indian Ocean Coastal Belt, Nama Karoo, Savanna, Succulent Karoo
Description
Plants grow in permanent or temporary water, along streams, dams, pools, seasonal vleis and pans, roadside ditches and sometimes in running water.
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Marsilea macrocarpa C.PreslLeast Concern Raimondo et al. (2009)
Bibliography

Burrows, J.E. 1990. Southern African ferns and fern allies. Frandsen Publishers, Sandton.


Cook, C.D.K. 2004. Aquatic and wetland plants of southern Africa. Backhuys Publishers, Leiden, The Netherlands.


Crouch, N.R., Klopper, R.R., Burrows, J.E. and Burrows, S.M. 2011. Ferns of southern Africa: A comprehensive guide. Struik Nature, Cape Town.


Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.


Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. South African National Biodiversity Institute, Pretoria.


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.


Roux, J.P. 2001. Conspectus of southern African Pteridophyta. Southern African Botanical Network Report 13:1-223. SABONET, Pretoria.


Schelpe, E.A.C.L.E. 1970. Pteridophyta. In: A.W. Exell and E. Launert (eds). Flora Zambesiaca:1-254. Crown Agents for Oversea Governments and Administrations, London.


Schelpe, E.A.C.L.E. and Anthony, N.C. 1986. Pteridophyta. In: O.A. Leistner (ed). Flora of southern Africa:1-292. National Botanical 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.


Citation
Mtshali, H., Cholo, F. & Foden, W. 2017. Marsilea macrocarpa C.Presl. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13

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Distribution map


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