Coryphantha cornifera 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Coryphantha cornifera (DC.) Lem.
Common Name(s):
English Rhinoceros Cactus
Spanish Biznaga-partida de Cuernos
Mammillaria cornifera DC.
Taxonomic Source(s): Hunt, D., Taylor, N. and Charles, G. (compilers and editors). 2006. The New Cactus Lexicon. dh Books, Milborne Port, UK.
Taxonomic Notes:

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2017
Date Assessed: 2009-11-16
Assessor(s): Dicht, R.F., Hernández, H.M., Gómez-Hinostrosa, C., Lüthy, A.D., Bárcenas Luna, R., Guadalupe Martínez, J. & Sánchez , E.
Reviewer(s): Goettsch, B.K.
Facilitator/Compiler(s): Schipper, J.
Although Coryphantha cornifera has a relatively limited range, it is abundant and occurs in numerous protected areas. Therefore, this species is considered to be Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Coryphantha cornifera is endemic to Mexico and occurs in several states. It has been reported from herbarium records from Guanajuato, Hidalgo, Jalisco, Querétaro, San Luis Potosi and Zacatecas. Doubtful records exist from the State of Mexico, Chihuahua and Veracruz and from the literature it is reported in Durango (Dicht and Lüthy 2003, Hernández et al. 2004). Records from Texas and Arizona in the Unites States likely pertain to C. difficilis (H. Hernández and C. Gomez-Hinostrosa pers. comm. 2009). The species grows at elevations of 1,800-2,300 m.
Countries occurrence:
Mexico (Guanajuato, Hidalgo, Jalisco, Querétaro, San Luis Potosí, Zacatecas)
Additional data:
Lower elevation limit (metres):1800
Upper elevation limit (metres):2300
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Coryphantha cornifera is generally abundant where it occurs.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Coryphantha cornifera grows in limestone gravel on low hills and plains in xerophyllous scrub and grasslands. Plants are usually solitary.
Continuing decline in area, extent and/or quality of habitat:No

Use and Trade [top]

Use and Trade: Although this species may be grown in specialist collections it is not widely sought after as an ornamental.

Threats [top]

Major Threat(s): Some subpopulations of  Coryphantha cornifera are being reduced by grazing by goats and cattle, as well as expanding agriculture, but generally these factors are not causing major declines.

Conservation Actions [top]

Conservation Actions: Coryphantha cornifera occurs in several protected areas across its range, for example Sierra Gorda Biosphere Reserve in Querétaro and Guanajuato.

Amended [top]

Amended reason: The species distribution map has been included.

Citation: Dicht, R.F., Hernández, H.M., Gómez-Hinostrosa, C., Lüthy, A.D., Bárcenas Luna, R., Guadalupe Martínez, J. & Sánchez , E. 2017. Coryphantha cornifera (amended version of 2013 assessment). The IUCN Red List of Threatened Species 2017: e.T152601A121480631. . Downloaded on 19 September 2018.
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