Description: English: Location taken: the New York Botanical Garden. Names: Equisetum myriochaetum Schltdl. & Cham., Cola De Caballo Grande, Giant Horsetai Classification: Plantae > Tracheophyta > Equisetopsida > Equisetales > Equisetaceae > Equisetum > Equisetum myriochaetum. Date: 30 March 2006. Source: source: David Stang. First published at ZipcodeZoo.com. Author: Photo by David J. Stang.