Taxonomy
Scientific Name
Isolepis bulbifera (Boeck.) Muasya
Higher Classification
Monocotyledons
Family
CYPERACEAE
Synonyms
Scirpus bulbiferus Boeck., Scirpus delicatulus Levyns
National Status
Status and Criteria
Extinct
Assessment Date
2007/03/11
Assessor(s)
M. Muasya & D. Raimondo
Justification
Endemic to wetlands on the Cape Flats, known from two herbarium records. Last collected before 1950 at Kenilworth Racecourse, and despite four thorough searches in the correct habitat it has not been relocated, it is thus considered extinct. It went extinct due to the impacts of urban expansion and alien plant invasion.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Cape Flats.
Habitat and Ecology
Major system
Freshwater
Major habitats
Fynbos
Description
Shallow soil at the edge of vleis.
Threats
Urban expansion was an extremely severe past threat that has lead to altering of water flow regimes and drainage and wearing of wetlands.
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Isolepis bulbifera (Boeck.) MuasyaExtinct Raimondo et al. (2009)
Scirpus delicatulus LevynsData Deficient Victor (2002)
Scirpus delicatulus LevynsIndeterminate Hilton-Taylor (1996)
Bibliography

Helme, N.A. and Trinder-Smith, T.H. 2006. The endemic flora of the Cape Peninsula, South Africa. South African Journal of Botany 72(2):205-210.


Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.


Muasya, A.M. and Simpson, D.A. 2002. A monograph of the genus Isolepis R.Br. (Cyperaceae). Kew Bulletin 57(2):257-362.


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.


Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.


Citation
Muasya, M. & Raimondo, D. 2007. Isolepis bulbifera (Boeck.) Muasya. National Assessment: Red List of South African Plants version . Accessed on 2025/05/31

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Distribution map


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