Acanthocereus tetragonus
Acanthocereus tetragonus is a species of cactus that is native to Florida and the Lower Rio Grande Valley of Texas in the United States , Mexico , Central America , the Caribbean , and northern South America . 
<triplet> Florida <subj> United States <obj> located in the administrative territorial entity <triplet> Rio Grande Valley <subj> Texas <obj> located in the administrative territorial entity <triplet> United States <subj> Florida <obj> contains administrative territorial entity <subj> Texas <obj> contains administrative territorial entity <triplet> Caribbean <subj> South America <obj> part of <triplet> South America <subj> Caribbean <obj> has part