| Mammillaria schwarzii | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Mammillaria |
| Species: | M. schwarzii |
| Binomial name | |
| Mammillaria schwarzii Shurly | |
Mammillaria schwarzii is a species of plant in the family Cactaceae. It is endemic to Guanajuato state in Mexico. Its natural habitat is hot deserts.
Thought to be extinct for some time, it was rediscovered in 1987. [1]
Mammillaria is one of the largest genera in the cactus family (Cactaceae), with currently 200 known species and varieties recognized. Most of the mammillarias are native to Mexico, but some come from the southwest United States, the Caribbean, Colombia, Venezuela, Guatemala and Honduras. The common name "pincushion cactus" refers to this and the closely related genus Escobaria.
Turbinicarpus is a genus of very small to medium-sized cacti, which inhabit the north-eastern regions of Mexico, in particular the states of San Luis Potosí, Guanajuato, Nuevo León, Querétaro, Hidalgo, Coahuila, Tamaulipas and Zacatecas.
Widdringtonia schwarzii is a species of Widdringtonia native to South Africa, where it is endemic to the Baviaanskloof and Kouga Mountains west of Port Elizabeth in Eastern Cape Province; it occurs on dry rocky slopes and crags at 600-1,200 m altitude. It is threatened by habitat loss, particularly by wildfire. The Willowmore cypress is a protected tree in South Africa.
Mammillaria albiflora is a species of plant in the family Cactaceae. It is endemic to Guanajuato state in central Mexico. Its natural habitat is hot deserts. It is a Critically endangered species, threatened by habitat loss.
Mammillaria anniana is a species of plant in the family Cactaceae. It is endemic to Tamaulipas state of northeastern Mexico. Its natural habitat is hot deserts. It is a Critically endangered species, threatened by habitat loss.
Mammillaria brachytrichion is a species of plant in the family Cactaceae. It is endemic to Mexico.
Mammillaria duwei is a species of flowering plant in the cactus family. It is endemic to Mexico, where it occurs only in the state of Guanajuato. It is known from only one location. It is known commonly as the biznaguita.
Mammillaria gasseriana is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts.
Mammillaria glochidiata is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts. It was classed as Extinct in the wild but since 2013, it has been classed as Critically Endangered by the IUCN Red List.
Mammillaria guelzowiana is a species of plant in the family Cactaceae. The species epithet guelzowiana honors the German cactus collector Robert Gülzow of Berlín.
Mammillaria guillauminiana is a species of plant in the family Cactaceae.
Mammillaria luethyi is a species of cactus which is endemic to Coahuila in Mexico. It grows in only two locations in semidesert habitat. It is also commonly cultivated as an ornamental plant.
Mammillaria marcosii is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts.
Mammillaria mathildae is a species of plant in the family Cactaceae. It is endemic to Querétaro, México. Its natural habitat is hot deserts. It is of IUCN Red List Vulnerable status and threatened by habitat loss.
Mammillaria painteri is a species of plant in the family Cactaceae. It is endemic to Mexico. It is usually found near, but not limited to, San Juan del Rio, Guanajuato. It is commonly referred to as the biznaguita in Spanish. It is also known by many to be synonymous with Mammillaria crinita subspecies crinita. It was evaluated and added to the IUCN Redlist in 2002 as data deficient. The causes of this species' endangerment or threats to its well-being are not clear.
Mammillaria pennispinosa is a species of cactus. It is endemic to Mexico, where it is known only from a single location in Durango. Its total population is fewer than 1250 individuals. They grow on volcanic rock in desert habitat.
Mammillaria sanchez-mejoradae is a species of plant in the family Cactaceae. It is endemic to Nuevo León state of northeastern Mexico. Its natural habitat is hot deserts. It is a Critically endangered species, threatened by habitat loss.
Mammillaria weingartiana is a species of plant in the family Cactaceae. It is endemic to Nuevo León state, Mexico.
Mammillaria zeilmanniana is a species of cactus. It is endemic to Mexico, where it is known only from Guanajuato. It grows in a narrow canyon usually near water where there is high humidity, its total population is fewer than 250 individuals. It is threatened by illegal collection for the horticultural trade. Recent studies link this species to Mammillaria crinita
Mammillaria glassii is a species of cactus in the subfamily Cactoideae. It is a small, clumping cactus with "fluffy white spines." M. glassii is native to Mexico in the states of Coahuila and Nuevo León.
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