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Mammillaria aureilanata

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA CARYOPHYLLALES CACTACEAE

Scientific Name: Mammillaria aureilanata
Species Authority: Backeb.
Common Name/s:
Spanish Biznaguita
Synonym/s:
Mammillaria aurilanata Backeb. [orth. error]
Taxonomic Notes: Accepted as a valid species by Anderson (2001), Hunt (1999) and Pilbeam (1999). Apparently earlier described by Quehl (1914) as M. cephalophora.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(ii,iii,v)+2ab(ii,iii,v) ver 3.1
Year Published: 2013
Date Assessed: 2009-11-19
Assessor/s: Gómez-Hinostrosa, C., Hernández, H.M., Sotomayor, M. & Smith, M.
Reviewer/s: Superina, M. & Goettsch, B.K.
Facilitator/s: Hilton-Taylor, C.
Justification:
Mammilaria aureilanata is listed as Endangered because of its reduced range (extent of occurrence approximately 250 km², area of occupancy about 20 km²), the population is severely fragmented (known from 12 locations), and there is continuing decline due to the impacts of illegal collection of plants from the wild and habitat destruction because of mining and road building activities. The total population is estimated to be less than 10,000 individuals.
History:
2002 Vulnerable

Geographic Range [top]

Range Description: This cactus occurs northeast of San Luis Potosí, Mexico, where there are many subpopulations over a range of 250 km². It grows at altitudes around 1,800 m asl.
Countries:
Native:
Mexico (San Luis Potosí)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species is reasonably common, but the population is severely fragmented. The total population size is estimated to be less than 10,000 individuals.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This cactus can be found on flat to sloping calcareous rocky terrain in xerophytic shrubland.
Systems: Terrestrial

Threats [top]

Major Threat(s): This cactus is threatened by illegal collecting, both commercial and amateur, and despite the legal measures in place this is still very evident at present. A highway was also built through one of the subpopulations. Mining of limestone for road construction is also a threat. The area is close to the state capital which is growing rapidly, hence human pressures on the area are increasing.

Conservation Actions [top]

Conservation Actions: This species is listed on CITES Appendix II, but there is a need to enforce the laws in the countries of destination.
Twenty eight per cent of the known localities are within protected areas.

This species is legally protected in Mexico by the national list of species at risk of extinction, NOM-059-SEMARNAT-2010, where it is listed under category “subject to special protection” (Pr; SEMARNAT 2010).

 

Citation: Gómez-Hinostrosa, C., Hernández, H.M., Sotomayor, M. & Smith, M. 2013. Mammillaria aureilanata. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 24 April 2014.
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