Mammillaria schwarzii Shurly (1949?)
Taxonomy & Nomenclature
Conservation Status
Rediscovered in 1988 or before
IUCN RedList status: Critically Endangered
Distribution
Guanajuato, Mexico
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Shurly, E. (1949). Mammillaria schwarzii. Cactus and Succulent Journal of Great Britain 11: 17.
Other references:
Anderson, E. F. (2001). The Cactus Family. Timber Press, Portland.
Hunt, D. 1999. CITES Cactaceae Checklist, 2nd ed. Royal Botanic Gardens, Kew and International Organization for Succulent Plant Study (IOS).
Maurice, W. A. Fitz. (1988). The rediscovery of Mammillaria schwarzii. Cactus and Succulent Journal (U.S.A.) 60(2): 72-75.
Fitz Maurice, W. A. and Fitz Maurice, B. (1994a). Mammillaria schwarzii revisited. Cactus and Succulent Journal (U.S.A.) 66(3): 107-109.
Maurice, W. A. Fitz and B. (1994b). Der Fall Mammillaria schwarzii. Schumannia 1: 36-38.
Oldfield, Sara (camp.) (1997). Cactus and Succulent Plants- Status Survey and Conservation Action Plan. IUCN/SSC Cactus and Succulent Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. IO + 212 pp.
Pilbeam, J. 1999. Mammillaria. Cirio Publishing Services, Southampton.
SEMARNAT. 2010. Norma Oficial Mexicana NOM-059-SEMARNAT-2010, Protección ambiental-Especies nativas de México de flora y fauna silvestres-Categorías de riesgo y especificaciones para su inclusión, exclusión o cambio-Lista de especies en riesgo. Diario Oficial de la Federación.
Sánchez , E., Fitz Maurice, W.A., Fitz Maurice, B & Bárcenas Luna, R. 2013. Mammillaria schwarzii. The IUCN Red List of Threatened Species 2013: e.T40851A2936962. http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T40851A2936962.en. Downloaded on 28 March 2017.