Sclerocactus ("hard cactus", from Greek; refers to the hard, dry fruit) is a genus of cacti. It comprises about 15 species, the exact number depending on the authority. These species are xerophytic. They are sometimes called 'fishhook cactus' or 'little barrels.'
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following species are recognized in the genus Sclerocactus by Plants of the World Online: Many species of Sclerocactus are protected under the provisions of the...
this species formerly included plants now belonging to Sclerocactus brevispinus and Sclerocactus wetlandicus, two cacti endemic to Utah. When the second...
is more appropriate for Sclerocactus brevispinus, the species endemic to the Pariette Draw of Duchesne County. Sclerocactus wetlandicus is threatened...
List Sclerocactus brevispinus (Pariette cactus) as an Endangered or Threatened Species; Taxonomic Change From Sclerocactus glaucus to Sclerocactus brevispinus...
Sclerocactus pubispinus is a species of Sclerocactus found from Nevada to Utah. "The IUCN Red List of Threatened Species". IUCN Red List of Threatened...
Sclerocactus mariposensis, synonyms including Echinomastus mariposensis and Neolloydia mariposensis, is a rare species of cactus known by the common names...
2.5 mm long. The names Sclerocactus sileri and Pediocactus sileri have a confused relationship in the literature. (Sclerocactus was included in Pediocactus...
Sclerocactus whipplei, or Whipple's fishhook cactus, is a cactus (family Cactaceae) found in the Colorado Plateau and Canyonlands region of the southwestern...
for any hook-spined species of the genera Mammillaria, Echinomastus, Sclerocactus, or Cochemiea. They are small cacti, usually growing up to 6-7 inches...
endemic Colorado cactus (Sclerocactus glaucus) in the face of hybridization threats from a close and widespread congener (Sclerocactus parviflorus)". Conservation...
on their length and thickness. Some cacti have flattened spines (e.g. Sclerocactus papyracanthus). Other cacti have hooked spines. Sometimes, one or more...
faxoniana, Agave utahensis, and other Agave species. It can be found among Sclerocactus, Pediocactus, Navajoa, and Toumeya species. The plant occurs in a large...
genera, including Coryphantha, Echinomastus, Escobaria, Mammillaria, Sclerocactus, Thelocactus and Turbinicarpus. In his 2001 book, Anderson firmly placed...
heavy rains when the soil is loose. Its life cycle is 50–100 years. Like Sclerocactus, Ferocactus typically grows in areas where water flows irregularly or...
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