Turbinicarpus alonsoi

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA CARYOPHYLLALES CACTACEAE

Scientific Name: Turbinicarpus alonsoi
Species Authority: Glass & S.Arias
Common Name/s:
Spanish Biznaguita
Taxonomic Notes: Accepted as a valid species by Anderson (2001) and Hunt (1999)

Assessment Information [top]

Red List Category & Criteria: Critically Endangered   B1ab(v)+2ab(v)   ver 3.1
Year Assessed: 2002
Assessor/s Fitz Maurice, W.A. & Fitz Maurice, B.
Evaluator/s: Stuppy, W. & Taylor, N.P. (Cacti & Succulent Plant Red List Authority)
Justification:
Qualifies due to its occurrence in a single area less than 10 km², where it continues to decline rapidly as a result of illegal collecting.

Geographic Range [top]

Range Description: Since its discovery, the population has been reduced by more than 50%. It grows in a single location of less than 10 km² near Xichu. The current estimated population size is less than 5,000 individuals.
Countries:
Native:
Mexico (Guanajuato)

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Semi-desert on steep rocky calcareous slopes at about 1,900 m altitude.
Systems: Terrestrial

Threats [top]

Major Threat(s): These plants are threatened by illegal collecting. The habitat has become widely known to collectors.

Conservation Actions [top]

Conservation Actions: Listed on CITES App.I, but the laws governing imports in the countries of destination need to be enforced. This species is currently propagated in Europe from illegally collected plants.
Citation: Fitz Maurice, W.A. & Fitz Maurice, B. 2002. Turbinicarpus alonsoi. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010.
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