Alberto Vojtěch Frič

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Neowerdermannia is a genus of South American cacti.

Airampoa is a South American genus of the cactus family (Cactaceae).

Obregonia, the artichoke cactus, is a monotypic genus of cacti, containing the species Obregonia denegrii. The species is endemic to the state of Tamaulipas in Mexico. The genus Obregonia is named after Álvaro Obregón, while the species is named after Ramon P. De Negri, who was the Minister of Agriculture of Mexico when the cactus was first described by Alfred Frec in 1923.

Neowerdermannia vorwerkii, also known as achakana (Aymara and Quechua), is a species of cactus from high altitudes in Bolivia and northern Argentina.

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Gymnocalycium mihanovichii is a species of cactus from South America. The most popular cultivars are varied mutants which completely lack chlorophyll, exposing the red, orange, or yellow pigmentation. These mutant strains are often grafted onto the hylocereus cactus, and the combined plant is called a "Moon Cactus". Moon cacti are commonly grown as houseplants and are also known as Ruby Ball, Red Cap, Red Hibotan, or Hibotan cacti.

Pelecyphora strobiliformis is a species of cactus from Mexico. Its numbers in the wild have been reduced by collecting; it is listed in Appendix I of CITES (meaning that international trade is severely controlled) but only as of "Least Concern" by the IUCN.

Rapicactus mandragora, synonym Turbinicarpus mandragora, is a species of plant in the family Cactaceae. It is endemic to Coahuila state in Mexico. Its natural habitat is hot deserts. It is a Critically Endangered species, threatened by habitat destruction.

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Echinopsis werdermannii is a species of Echinopsis cactus found in Paraguay.

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Miqueliopuntia is a monotypic genus of cactus in the Cactaceae family, containing a single species, Miqueliopuntia miquelii (Monv.) F.Ritter., which is native to the Chilean coasts of South America. Both genus and species were published in Kakteen Südamerika vol.3 on page 869 in 1980. The genus name of Miqueliopuntia is in honour of Friedrich Anton Wilhelm Miquel (1811–1871), who was a Dutch botanist, whose main focus of study was on the flora of the Dutch East Indies.

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