The story takes place in the Calico Basin of the Red Rock Canyon National Conservation Area, west of Las Vegas.
Climate change, groundwater pumping and heavy visitor traffic aggravate the situation according to the news release.
A petition calls for protection of the flower as a threatened or endangered species.
The Red Rock HMA borders the project area, which includes deeded acreage, on the west side.
► Get the truth about wild horses and the wild horse advocates at westernhorsewatchers.com.
Western Horse Watchers Association 