An overlooked threat: 1 in 3 cactus species face extinction

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An overlooked threat: 1 in 3 cactus species face extinction,
October 6, 2015,
By Story Hinckley,
The Christian Science Monitor,

More than 30 percent of cactus species are in danger of extinction, say researchers, largely due to cactus poachers selling ornamental cactuses internationally.