Mammillaria weingartiana

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	MAGNOLIOPSIDA	CARYOPHYLLALES	CACTACEAE

Scientific Name:

Mammillaria weingartiana

Species Authority:

Boed.

Common Name/s:

Spanish

–

Biznaguita

Taxonomic Notes:

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

Assessment Information [top]

Red List Category & Criteria:	Vulnerable B1ab(v)+2ab(v); C1+2a(i) 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: Subpopulations are small and widely scattered. One subpopulation in particular, near Ascension, has long been well known to collectors and has been decimated.

Geographic Range [top]

Range Description:	Less than 10 subpopulations are known from north of Ascension and to the south of Rayones, about 50 km, with an east-west range of about 25 km. The total population is estimated to be less than 2,500 individual plants.
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:	Sloping terrain among calcareous rocks in semi-desert at an altitude of about 2,100 m.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	These plants are threatened by illegal collecting, commercial and amateur. There has been an overall reduction of more than 10% during the past 10 years.

Major Threat(s):

These plants are threatened by illegal collecting, commercial and amateur. There has been an overall reduction of more than 10% during the past 10 years.

Conservation Actions [top]

Conservation Actions:	Listed on CITES App. II, but enforcement of the law in countries of destination is needed.

Conservation Actions:

Listed on CITES App. II, but enforcement of the law in countries of destination is needed.

Citation:	Fitz Maurice, W.A. & Fitz Maurice, B. 2002. Mammillaria weingartiana. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 26 May 2013.
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