Friedrich Bödeker

The genus Aztekium contains two species of small globular cactus. Discovered in 1929 by F. Ritter, in Rayones, Nuevo León, Mexico, this genus was thought to be monotypic (with Aztekium ritteri) until a second species (Aztekium hintonii) was discovered by George S. Hinton, in Galeana, Nuevo León in 1991. A further possible species, Aztekium valdezii, was described in 2011, but is considered to be a synonym of A. ritteri.

Aztekium ritteri is a species of cactus native to the Mexican state of Nuevo León.

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. The Latin specific epithet surculosa means "producing suckers". In cultivation this plant needs to be grown in a sharply-drained medium with a low nutrient content, at a minimum

Mammillaria albicoma is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts. It is threatened by habitat loss.

Mammillaria baumii is a species of cactus in the subfamily Cactoideae. It is endemic to Mexico. It was named for botanist Hugo Baum.

Ariocarpus scaphirostris is a species of plant in the family Cactaceae. It was originally called Ariocarpus scapharostrus in the 1930s.

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Mammillaria weingartiana is a species of plant in the family Cactaceae. It is endemic to Nuevo León state, Mexico.

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Mammillaria gasseriana is a species of plant in the family Cactaceae. It is endemic to Mexico. Its natural habitat is hot deserts.

Coryphantha georgii is a species of cactus that is endemic to 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.

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Echinopsis pugionacantha, synonym Lobivia pugionacantha, is a species of cactus in the genus Echinopsis found in Argentina and Bolivia.

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Mammillaria mercadensis is a species of flowering plant in the cactus family (Cactaceae), native to north and west Mexico.

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