|Scientific Name:||Lithops ruschiorum|
|Species Authority:||(Dinter & Schwantes) N.E.Br.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Victor, J.E. & Hilton-Taylor, C. (Southern African Plants Red List Authority)|
Lithops ruschiorum is assessed as Least Concern. The RAMAS® Red List version 2.0 software package was used to make this assessment.
This species is known from 16–30 subpopulations with extent of occurrence < 30,000 km². Population size is believed to be < 20,000 and collecting is thought to be causing some population decline, although rate of decline is not known. Currently considered Least Concern, but the population should be monitored.
|Range Description:||Endemic to Namibia.|
|Range Map:||Click here to open the map viewer and explore range.|
|Habitat and Ecology:||Found on different forms, combinations and colours of quartz, pegmatite, calcrete, chert, calcite and tourmaline (Cole 1988). Also on gneiss and quartzite stone. In shallow soil, sand, gravel and pebbles in a rock desert, arid low open vegetation, on level to gentle slopes, and also found growing on a low ridge.|
Collecting is a real threat. The species is highly sought after (live plants, seed, trade, Lithops specialist collecting). One subpopulation was reported to have disappeared completely due to collecting of live plants but this could not be verified during field work that followed.
Habitat destruction is also a potential threat. One subpopulation has disappeared at the Rossing uranium mine. The location where the largest number of plants were counted is right next to the tailings dam of the mine. This dam is to be expanded by 2006 or 2007 and this is likely to destroy about 700 or more plants.
|Conservation Actions:||Most subpopulations seem to be in the Skeleton Coast Park and the plants are therefore passively conserved. However, if the park is poorly managed, the populations there would not be safe.|
|Citation:||Loots, S. 2004. Lithops ruschiorum. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 29 March 2015.|
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