Taxonomy
Scientific Name
Othonna hallii B.Nord.
Higher Classification
Dicotyledons
Family
ASTERACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2007/04/29
Assessor(s)
D. Raimondo
Justification
Known from fewer than five locations (EOO <100 km²). There has been an observed loss of part of a sub-population due to mining in the past, mining remains a potential threat to this species.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Vanrhynsdorp district, between Hol River and Koekenaap.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Knersvlakte Quartz Vygieveld
Description
Quartz patches.
Threats
Part of a subpopulation was lost to mining in the past, and further habitat loss to mining remains a potential threat.
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Othonna hallii B.Nord.VU D2Raimondo et al. (2009)
Othonna hallii B.Nord.VU D2Victor (2002)
Othonna hallii B.Nord.Rare Hilton-Taylor (1996)
Othonna hallii B.Nord.Rare Hall et al. (1980)
Bibliography

Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.


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


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
Raimondo, D. 2007. Othonna hallii B.Nord. National Assessment: Red List of South African Plants version . Accessed on 2025/01/18

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