Peer Review Plan for Uinta Basin hookless cactus (Sclerocactus wetlandicus) and Pariette cactus (Sclerocactus brevispinus) Species Biological Report

This species biological report informs the recovery plan for the threatened Uinta Basin hookless cactus (Sclerocactus wetlandicus) and Pariette cactus (Sclerocactus brevispinus). This report provides an in-depth review of the species’ biology, abundance, distribution, population trends, stressors, and threats to recovery, and an assessment of the resources and conditions needed to maintain long-term viability

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Completed
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Species
Pariette cactus - Sclerocactus brevispinus is a barrel-shaped cactus that ranges from 2.5 to 8 centimeters (cm) (1.0 to 3.1 inches (in.)) tall. Sclerocactus brevispinus is a morphologically unique Sclerocactus, with flowering adults that are much smaller than either S. glaucus or S. wetlandicus. S...
FWS Focus
Uinta Basin hookless cactus - Sclerocactus wetlandicus S. wetlandicus is a barrel-shaped cactus that ranges from 4 to 18 centimeters (cm) (1.5 to 7 inches (in.)) tall, with exceptional plants up to 30 cm (12 in.) tall. The stems have typically 12 to 15 ribs that extend from the ground to the tip of...
FWS Focus
FWS and DOI Region(s)