Known from about 21 occurrences. Off-road vehicles and livestock trampling are serious threats. In addition, about half of this species' small range is covered by leases for oil and gas exploration and mining claims for gypsum and other minerals.
The small, restricted populations of P. despainii make it particularly vulnerable to human disturbances. It is a target for illegal collecting, and incidental damage from off-road vehicle use, human and livestock trampling. Its habitat is threatened by
Three small populations totaling ~20,000 individuals (USFWS 1995).
About half of the population area is managed by the Bureau of Land Management, with the remainder managed by the National Park Service, Capital Reef National Park. The collection of plant material is prohibited by both federal agencies.
Inventory suitable habitat
Conduct population viability studies
Determine the biological factors controlling species distribution and abundance
Control activities, such as mining, which affect these populations and their habitat
Develop successful propagation techniques
Prevent illegal collecting by promoting commercial trade of legal specimens.
Continues seed banking
Develop propagation protocol in greenhouse from collected seed
Learn how to achieve successful pollination and seed production in the greenhouse
Evaluate the phylogenic relationshipd between P. despainii and P. winkleri and cogeneric species
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