coryphantha ramillosa

Coryphantha ramillosa is a rare species of cactus known by the common names bunched cory cactus and whiskerbush. It is native to the border region between Texas in the United States and Coahuila in Mexico. Because it was believed to be rare and threatened by a number of processes, it was federally listed as a threatened species of the United States in 1979.The range and abundance of this plant are not well known, especially within Mexico, and it may not be as uncommon as was thought in 1979. The ...