Ariocarpus scaphirostris is a species of plant in the family Cactaceae. The Ariocarpus scaphirostris was originally called Ariocarpus scapharostrus in the 1930. D. R. Hunt, however, changed it to Ariocarpus scaphirostris.
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 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 schwarzii is a species of plant in the family Cactaceae. It is endemic to Guanajuato state in Mexico. Its natural habitat is hot deserts.
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
Thelocactus hastifer is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts.
Turbinicarpus subterraneus is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts.
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.
