Mammillaria sanchez-mejoradae

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	MAGNOLIOPSIDA	CARYOPHYLLALES	CACTACEAE

Scientific Name:

Mammillaria sanchez-mejoradae

Species Authority:

R.González

Common Name/s:

Spanish

–

Biznaguita

Taxonomic Notes:

Accepted as a valid species by Anderson (2001), Hunt (1999) and Pilbeam (1999).

Assessment Information [top]

Red List Category & Criteria:	Critically Endangered B1ab(v)+2ab(v) ver 3.1
Year Published:	2002
Annotations:	Needs updating
Assessor/s:	Fitz Maurice, W.A. & Fitz Maurice, B.
Reviewer/s:	Stuppy, W. & Taylor, N.P. (Cacti & Succulent Plant Red List Authority)
Contributor/s:
Justification: Qualifies due to its small population in a single area, where it continues to decline as a result of illegal collecting.

Geographic Range [top]

Range Description:	Since this species was discovered by Gonzalez more than 15 years ago, the population has diminished by an estimated 75%. Grows among low calcareous rock outcroppings over a range of 1 km². Current estimated population is less than 500 individuals.
Countries:	Native: Mexico (Nuevo León)
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population Trend:	Decreasing

Population Trend:

Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	On steep volcanic rock in semi-desert at about 2,300 m altitude.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	Very threatened by illegal collecting. The location is well known to both commercial and amateur collectors. While the area is enclosed by an electric fence to prevent theft of farming machinery, access is available for a small fee.

Major Threat(s):

Very threatened by illegal collecting. The location is well known to both commercial and amateur collectors. While the area is enclosed by an electric fence to prevent theft of farming machinery, access is available for a small fee.

Conservation Actions [top]

Conservation Actions:	Listed on CITES App. II, but enforcement of the laws in the countries of destination is needed. This species is widely propagated.

Conservation Actions:

Listed on CITES App. II, but enforcement of the laws in the countries of destination is needed. This species is widely propagated.

Bibliography [top]

	Anderson, E.F. 2001. The Cactus Family. Timber Press, Portland. González, R. 1992. Mammillaria sanchez-mejoradae Una especie nueva de familia Cactaceae. Cactaceas y Suculentas Mexicanas 37: 3. Hunt, D. 1999. CITES Cactaceae Checklist, 2nd ed. Royal Botanic Gardens, Kew and International Organization for Succulent Plant Study (IOS). IUCN. 2002. 2002 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 8 October 2002. Pilbeam, J. 1999. Mammillaria. Cirio Publishing Services, Southampton.

Anderson, E.F. 2001. The Cactus Family. Timber Press, Portland.

González, R. 1992. Mammillaria sanchez-mejoradae Una especie nueva de familia Cactaceae. Cactaceas y Suculentas Mexicanas 37: 3.

Hunt, D. 1999. CITES Cactaceae Checklist, 2nd ed. Royal Botanic Gardens, Kew and International Organization for Succulent Plant Study (IOS).

IUCN. 2002. 2002 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 8 October 2002.

Pilbeam, J. 1999. Mammillaria. Cirio Publishing Services, Southampton.

Citation:	Fitz Maurice, W.A. & Fitz Maurice, B. 2002. Mammillaria sanchez-mejoradae. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 20 May 2013.
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