Thelocactus tulensis is a species of cactus. It is endemic to Mexico. Thelocactus tulensis is a solitary, spherical cactus, sometimes slightly elongated...

example, T. nidulans. Thelocactus species are generally solitary, but some varieties will cluster in groups. The ribs on Thelocactus species are very clearly...

Thelocactus buekii is a species of cactus. It is endemic to Mexico. Thelocactus buekii is a solitary, globular cactus, with depressed stems, with dark...

leucacanthus Thelocactus multicephalus Thelocactus rinconensis Thelocactus setispinus, miniature barrel cactus Thelocactus tulensis Tunilla corrugata Tunilla soehrensii...

habitat loss. Plants are found growing along Dasylirion longissimum, Thelocactus bicolor, Mammillaria elongata, Agave stricta, Lophophora williamsii,...