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Thesium fallax

Taxonomy
Scientific Name
Thesium fallax Schltr.
Higher Classification
Dicotyledons
Family
SANTALACEAE
National Status
Status and Criteria
Data Deficient - Insufficient Information
Assessment Date
2016/11/16
Assessor(s)
L. von Staden
Justification
A range-restricted and poorly known species that is possibly threatened by competition from alien invasive plants. It was last recorded in 1896, and not enough is known about its distribution range, population status and trends to determine its risk of extinction.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Mountains between Bredasdorp, Napier, and Elim.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Overberg Sandstone Fynbos
Description
Uncertain, possibly sandstone slopes.
Threats
This species is possibly threatened by competition from alien invasive plants. Large areas of the Elandskloof and Bredasdorp Mountains are infested with alien invasive plants.
Population

This species is known from only a few, very old collections with imprecise locality details. It appears to be endemic to the Bredasdorp and Elandskloof mountains (Manning and Goldblatt 2012), but it may be more widespread and overlooked elsewhere. The genus Thesium is very poorly known, and in need of taxonomic revision. Confusion with other taxa may therefore also explain the lack of recent records.


Population trend
Unknown
Citation
von Staden, L. 2016. Thesium fallax Schltr. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/12/11

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