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 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 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
Mammillaria plumosa, the feather cactus, is a species of flowering plant in the family Cactaceae, native to Northeastern Mexico.
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.
Mammillaria bocasana is a species of cactus in the subfamily Cactoideae. It is often sold as a "powder puff" cactus, and also as a "Powder Puff Pincushion." The plant is protected from collecting in the wild in Mexico.
Mammillaria surculosa is a species of flowering plant in the cactus family Cactaceae, native to north eastern Mexico, where it occurs in extremely isolated patches at altitudes of 950–1,200 m (3,120–3,940 ft). It is registered as “Endangered” by the IUCN Red List. Growing to 10 cm (3.9 in) tall by 50 cm (20 in) wide, this tiny plant forms colonies of spiny stems with relatively large, lemon yellow flowers in spring.
Mammillaria laui is a species of cactus in the genus Mammillaria, native to Tamaulipas state in Mexico. A number of subspecies were described, occurring along an elevation gradient; these are no longer accepted. It is listed as Critically Endangered (CR) in the wild. As Mammillaria lauii it has gained the Royal Horticultural Society's Award of Garden Merit.
