|Scientific Name:||Pelecyphora aselliformis Ehrenb.|
|Taxonomic Source(s):||Hunt, D., Taylor, N. and Charles, G. (compilers and editors). 2006. The New Cactus Lexicon. dh Books, Milborne Port, UK.|
Accepted as a valid species by all cactus specialists, including Hunt (1999) and Anderson (2001).
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Fitz Maurice, B & Fitz Maurice, W.A.|
|Reviewer(s):||Superina, M. & Goettsch, B.K.|
Pelecyphora aselliformis is listed as Least Concern because of its wide range, large population, and low threat level.
|Previously published Red List assessments:|
|Range Description:||This species is endemic to the Mexican state of San Luis Potosí, where it occurs in the north and northwest at elevations of 1,800 to 2,400 m asl. The species is spread over an area of no more than 500 km2.|
Native:Mexico (San Luis Potosí)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||The estimated population size is more than 100,000 individuals. Early observations indicated that this species occurred in few areas that were being heavily impacted by human activities (Anderson et al. 1994). However, subsequent fieldwork has clearly shown the species to be widespread over 500 km2 and numbering more than 100,000 individuals. This species appears to be reproducing well.|
|Current Population Trend:||Stable|
|Habitat and Ecology:||This species is found in semi-desert among calcareous rocks.|
|Use and Trade:||This species is used as an ornamental with some illegal collection. It is in commercial cultivation for the international trade.|
|Major Threat(s):||Other than some limited illegal collecting at one site in particular and destruction of plants by road construction (Glass and Fitz Maurice 1993), there appears to be relatively little human impact.|
The species is legally protected in Mexico, where it is listed as "subject to special protection" (Pr) on the national list of species at risk of extinction, NOM-059-SEMARNAT-2010 (SEMARNAT 2010).
|Amended reason:||The species distribution map has been included.|
|Citation:||Fitz Maurice, B & Fitz Maurice, W.A. 2017. Pelecyphora aselliformis (amended version of 2013 assessment). The IUCN Red List of Threatened Species 2017: e.T152618A121601538.Downloaded on 27 May 2018.|
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