Marasmodes fasciculata

Taxonomy
Scientific Name
Marasmodes fasciculata S.Ortiz
Higher Classification
Dicotyledons
Family
ASTERACEAE
National Status
Status and Criteria
Critically Endangered B1ab(iii,v)+2ab(iii,v); C2a(i)
Assessment Date
2016/05/18
Assessor(s)
D. Raimondo, A.R. Magee & L. von Staden
Justification
Two small, isolated subpopulations remain on small remnants of lowland fynbos between Atlantis and the Paardeberg near Malmesbury (EOO 8 km²). The largest subpopulation consists of about 50 mature individuals, the second subpopulation has only 10 plants. It continues to decline due to ongoing habitat degradation, as well as competition from alien invasive plants.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Malmesbury to Atlantis.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Swartland Shale Renosterveld, Cape Flats Sand Fynbos, Atlantis Sand Fynbos
Description
Lowland renosterveld on transition zones between clay and acid sands.
Threats
This species has lost over 95% of its habitat to crop cultivation, urban expansion and dense infestations of invasive alien plants. Remaining plants are threatened by competition from alien invasive plants as well as livestock grazing.
Population

Marasmodes fasciculata is known historically from only two locations. At the type locality south of Mamre, it was last recorded in 1971. Fynbos in this area is now severely degraded due to agriculture, urban expansion and dense infestations of alien invasive plants, that it is uncertain whether this subpopulation survives. It was first recorded on flats at the eastern base of the Paardeberg in 1937, and again, at the same locality in 1980. Recent field surveys relocated this subpopulation, which consists of fewer than 50 mature individuals. A third subpopulation was discovered in 2012 on a small fragment of sand plain fynbos near Mamre. This privately owned site is in the process of being secured for conservation through Biodiversity Stewardship. Only about 10 mature individuals occur at this locality.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Marasmodes fasciculata S.OrtizCR B1ab(iii)+2ab(iii)2012.1
Bibliography

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.


Ortiz, S. 2009. Eight new species of Marasmodes (Asteraceae, Anthemideae) from South Africa. Botanical Journal of the Linnean Society 159:330-342.


Citation
Raimondo, D., Magee, A.R. & von Staden, L. 2016. Marasmodes fasciculata S.Ortiz. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/03/27

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Distribution map

© A. Magee


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