Ferocactus wislizeni, the fishhook barrel cactus, also called Arizona barrel cactus, candy barrel cactus, and Southwestern barrel cactus, is a species of flowering plant in the cactus family Cactaceae, native to northern Mexico and the southern United States. It is a ball-shaped cactus eventually growing to a cylindrical shape, with spiny ribs and red or yellow flowers in summer.
Ferocactus glaucescens, the glaucous barrel cactus, is a species of flowering plant in the family Cactaceae, native endemic to México.
Ferocactus viridescens is a species of flowering plant in the cactus family Cactaceae. This barrel cactus is known by several common names, including coast barrel cactus, keg cactus and San Diego barrel cactus. Most of its native range in the United States is in San Diego County, California, where it is threatened by development, agriculture, and other alterations in its habitat. It is also found in northern Baja California, Mexico.
Ferocactus latispinus is a species of barrel cactus native to Mexico.
Ferocactus peninsulae is a barrel cactus in the genus Ferocactus of the family Cactaceae.
Ferocactus robustus is a barrel cactus in the genus Ferocactus of the family Cactaceae.
Ferocactus pilosus, also known as Mexican lime cactus or Mexican fire barrel, is a species of cactus in North America.
Ferocactus hamatacanthus, commonly named Turk's Head, is a barrel cactus in the tribe Cacteae.
Cochemiea conoidea, common name Texas cone cactus or Chihuahuan beehive, is a species of cactus native to southern United States to central Mexico.
Echinocereus pectinatus is a species of hedgehog cactus.
Thelocactus hexaedrophorus is a species of cactus. It is endemic to Mexico.
Thelocactus tulensis is a species of cactus. It is endemic to Mexico.
Ferocactus alamosanus is a species of Ferocactus from Mexico.
Ferocactus chrysacanthus, commonly known as the Cedros barrel cactus, is an endangered species of cactus endemic to the islands of Cedros and West San Benito off the Pacific coast of Baja California, Mexico.
Ferocactus diguetii, commonly known as the giant barrel cactus, is the largest species of barrel cactus in the genus Ferocactus. It is an insular species endemic to several of Baja California Sur's southern islands in the Gulf of California. As the superlative giant of the barrel cacti, it reaches heights of up to 4 metres (13 ft) and diameters of 1 metre (3.3 ft) in the wild, a result of island gigantism. The species has red flowers that bloom from March to May. Although restricted in range, this species grows in protected habitat and lacks major threats.
Ferocactus flavovirens is a species of Ferocactus from Mexico.
Ferocactus histrix, also known as Acitrón barrel cactus is a species of Ferocactus native to central Mexico. It is a large barrel cactus that can be commonly found throughout all the Central Mexican matorral. It produces an edible fruit appreciated for its sour taste.
Ferocactus macrodiscus is a species of cactus in the genus Ferocactus from Guanahuato and Oaxaca States, Mexico.
Ferocactus uncinatus is a species of Ferocactus found in Mexico and United States in Texas.
Ferocactus johnstonianus is a species of Ferocactus found in Mexico
