Taxonomy
Scientific Name
Helichrysum mimetes S.Moore
Higher Classification
Dicotyledons
Family
ASTERACEAE
National Status
Status and Criteria
Near Threatened B1ab(iii)+2ab(iii)
Assessment Date
2020/02/20
Assessor(s)
L. von Staden
Justification
Helichrysum mimetes has a restricted distribution range, with an extent of occurrence (EOO) of 7358 km², and an area of occupancy (AOO) of 64-92 km². It is threatened by ongoing habitat degradation across its range, but still persists at more than 10 locations. It therefore nearly meets the criteria thresholds for Vulnerable under criterion B.
Distribution
Endemism
Not endemic to South Africa
Provincial distribution
Limpopo, Mpumalanga
Range
This species occurs along the Limpopo and Mpumalanga Drakensberg Escarpment from the Wolkberg to Barberton, extending to the mountains around Pigg's Peak in Swaziland.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Northern Escarpment Quartzite Sourveld, Barberton Montane Grassland, Long Tom Pass Montane Grassland, Northern Escarpment Dolomite Grassland, Woodbush Granite Grassland, Northern Escarpment Afromontane Fynbos
Description
It occurs on rocky outcrops and broken rocky cliffs along the escarpment edge.
Threats
More than 40% of grasslands within this species range have been converted to commercial timber plantations. While it is not suspected to have cause significant decline, as this species' specific micro-habitat is generally not suited to plantations, it has led to the fragmentation of the population into small, isolated grassland remnants. This is concerning as many of these remnants continue to be degraded due to spreading alien invasive plants, inappropriate fire management and overgrazing by livestock.
Population

This species occurs as scattered individuals in suitable habitat. The population trend is not known and it requires monitoring, but it is suspected to be declining due to ongoing habitat loss and degradation. It is currently known from between 15 and 25 locations, but it may be under-collected as it flowers outside the peak flowering season of montane grasslands.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Helichrysum mimetes S.MooreLeast Concern Raimondo et al. (2009)
Bibliography

Hilliard, O.M. 1983. Gnaphaliinae (First Part). In: O.A. Leistner (ed). Flora of Southern Africa 33 Asteraceae, Part 7 Inuleae, Fascicle 2:1-325. 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.


Citation
von Staden, L. 2020. Helichrysum mimetes S.Moore. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2020/08/10

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Distribution map


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