M. Patrick Griffith

Micropuntia is a monotypic genus of cactus. Its only species is Micropuntia pulchella, synonym Grusonia pulchella. The species is also known as sagebrush cholla. It is a tuberous species of opuntioid cactus from the Great Basin Desert of central Nevada, eastern California and western Utah in the United States.

Zamia decumbens, common name sinkhole cycad, is a species of cycad known only from Belize. The species was erroneously referred to in print several times as Z. prasina before its recognition as a distinct species. The species was (under the name Z. prasina) proposed for protection as a critically endangered species. As of 2009, seven populations were known in the Maya Mountains, a few on ridges and mountaintops, but the largest populations at the bottom of sinkholes. Sinkholes are depressions in the earth caused by collapse of the roof of a cave. They very frequently are home to unusual

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