Cactaceae
Acanthocalycium leucanthum (Gillies ex Salm-Dyck) Schlumpb.
Acanthocalycium leucanthum (Gillies ex Salm-Dyck) Schlumpb.
Acanthocalycium leucanthum is a night-flowering cactus widespread across northwestern to central Argentina.
Acanthocereus tetragonus (L.) Hummelinck
Acanthocereus tetragonus (L.) Hummelinck
Acanthocereus tetragonus is a tall night-blooming columnar cactus native to Florida and the Caribbean, grown for food and ornament.
Austrocylindropuntia cylindrica (Lam.) Backeb.
Austrocylindropuntia cylindrica (Lam.) Backeb.
The cane cactus (Austrocylindropuntia cylindrica) is a flowering cactus, once wrongly thought to contain mescaline, that is invasive in some regions.
Austrocylindropuntia subulata (Muehlenpf.) Backeb.
Austrocylindropuntia subulata (Muehlenpf.) Backeb.
Austrocylindropuntia subulata is a branching cactus originating from the Peruvian Andes that has become invasive in several regions outside its native range.
Bergerocactus emoryi (Engelm.) Britton & Rose
Bergerocactus emoryi (Engelm.) Britton & Rose
Bergerocactus emoryi is a shrubby columnar cactus near-endemic to Baja California and coastal southern California, with threatened populations.
Brachycereus nesioticus (K.Schum. ex B.L.Rob.) Backeb.
Brachycereus nesioticus (K.Schum. ex B.L.Rob.) Backeb.
Brachycereus nesioticus, the lava cactus, is a clump-forming Galápagos endemic cactus that grows on barren new lava flows.
Carnegiea gigantea (Engelm.) Britton & Rose
Carnegiea gigantea (Engelm.) Britton & Rose
Carnegiea gigantea, the saguaro, is a large iconic columnar cactus endemic to the Sonoran Desert and the state flower of Arizona.
Cephalocereus tetetzo (F.A.C.Weber ex J.M.Coult.) Diguet
Cephalocereus tetetzo (F.A.C.Weber ex J.M.Coult.) Diguet
Cephalocereus tetetzo is a large columnar branching cactus found in the Mexican states of Puebla and Oaxaca.
Cereus aethiops Haw.
Cereus aethiops Haw.
Cereus aethiops is a shrubby rarely branched cactus found in Andean foothills of northern and central Argentina.
Cereus fernambucensis Lem.
Cereus fernambucensis Lem.
Cereus fernambucensis is a shrubby branching cactus found along the coast of northeastern Brazil.
Cereus hildmannianus K.Schum.
Cereus hildmannianus K.Schum.
Cereus hildmannianus is a tree-like usually spineless cactus native to central and southeastern South America, used ornamentally and for its edible fruit.
Cereus jamacaru DC.
Cereus jamacaru DC.
Cereus jamacaru DC., also called mandacaru, is a large succulent cactus endemic to Brazil's semi-arid caatinga.
Cleistocactus baumannii (Lem.) Lem.
Cleistocactus baumannii (Lem.) Lem.
Cleistocactus baumannii is a branched shrub cactus native to central eastern South America, consumed by Chacoan peccaries.
Cochemiea armillata (K.Brandegee) P.B.Breslin & Majure
Cochemiea armillata (K.Brandegee) P.B.Breslin & Majure
Cochemiea armillata is a clumping cylindrical cactus endemic to Baja California Sur, Mexico, with pink-creamy yellow flowers and red fruits.
Cochemiea dioica (K.Brandegee) Doweld
Cochemiea dioica (K.Brandegee) Doweld
Cochemiea dioica is a small cactus native to southwestern North America with edible fruits used by Indigenous groups and cultivated by cactus enthusiasts.
Cochemiea grahamii (Engelm.) Doweld
Cochemiea grahamii (Engelm.) Doweld
Cochemiea grahamii is a cactus native to the southwestern US and northwestern Mexico with hooked spines and pink to purple flowers.
Cochemiea tetrancistra (Engelm.) P.B.Breslin & Majure
Cochemiea tetrancistra (Engelm.) P.B.Breslin & Majure
Cochemieaa tetrancistra is a small single-stemmed cactus with hooked central spines found in the southwestern US and northwestern Mexico.
Cochemiea wrightii (Engelm. & J.M.Bigelow) Doweld
Cochemiea wrightii (Engelm. & J.M.Bigelow) Doweld
Cochemiea wrightii is a small solitary cactus native to southwestern US and northwestern Mexico.
Copiapoa coquimbana (Karw.) Britton & Rose
Copiapoa coquimbana (Karw.) Britton & Rose
Copiapoa coquimbana is a clump-forming South American cactus named for the Chilean city of Coquimbo that has multiple recognized infraspecific variants.
Corryocactus melanotrichus (K.Schum.) Britton & Rose
Corryocactus melanotrichus (K.Schum.) Britton & Rose
Corryocactus melanotrichus is a branched shrubby cactus native to high-elevation dry regions of Bolivia.
Coryphantha cornifera (DC.) Lem.
Coryphantha cornifera (DC.) Lem.
Coryphantha cornifera is a small globose to cylindrical cactus endemic to highland central Mexico.
Coryphantha elephantidens (Lem.) Lem.
Coryphantha elephantidens (Lem.) Lem.
Coryphantha elephantidens is a low-growing cactus that rarely clumps or forms multiple growth points, bearing 2-5 sometimes black-tipped spines on tubercles.
Coryphantha macromeris (Engelm.) Lem.
Coryphantha macromeris (Engelm.) Lem.
Coryphantha macromeris is a clustered North American cactus with pink/magenta flowers and green fruits, native to the US and Mexico.
Coryphantha robustispina (A.Schott ex Engelm.) Britton & Rose
Coryphantha robustispina (A.Schott ex Engelm.) Britton & Rose
Coryphantha robustispina is a rare North American cactus with a complex, step-dependent natural reproductive life cycle.
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