Acacia roemeriana, Ariocarpus fissuratus, Cacti, Coryphantha echinus, Coryphantha tuberculosa, Echinocactus horizonthalonius, Echinocereus dasyacanthus, Echinocereus stramineus, Epithelantha micromeris, Jatropha dioica, Lophophora williamsii, Opuntia phaeacantha, Opuntia rufida, Sclerocactus uncinatus Presidio County in March 2018 Posted on June 30, 2018April 2, 2020 by Steven Van Heiden 30 Jun A few images of some of the cacti that we encountered in Presidio County earlier this year. Ariocarpus fissuratus Ariocarpus fissuratus Ariocarpus fissuratus Ariocarpus fissuratus Ariocarpus fissuratus Ariocarpus fissuratus Ariocarpus fissuratus Coryphantha echinus Coryphantha echinus Coryphantha tuberculosa Coryphantha tuberculosa Coryphantha tuberculosa Echinocactus horizonthalonius Echinocactus horizonthalonius Echinocactus horizonthalonius Echinocactus horizonthalonius Echinocereus dasyacanthus Echinocereus dasyacanthus Echinocereus dasyacanthus Echinocereus stramineus Echinocereus stramineus Epithelantha micromeris Epithelantha micromeris Hamatocactus hamatocanthus (now Ferocactus hamatocanthus) Hamatocactus hamatocanthus (now Ferocactus hamatocanthus) Jatropha dioica with Lophophora williamsii Lophophora williamsii Lophophora williamsii Lophophora williamsii Opuntia phaeacantha Opuntia rufida Sclerocactus uncinatus AKA Glandulicactus uncinatus AKA Ancistrocactus uncinatus Steven Van Heiden Turnera diffusa Early article on peyote