Peer Review Plan for the Five Utah Cactus Quantitative Recovery Criteria Scientific Report

This report will help support recovery planning for the following five Utah cactus species that are listed under the Endangered Species Act: San Rafael cactus (Pediocactus despainii; endangered), Winkler cactus (Pediocactus winkleri; threatened), Pariette cactus (Sclerocactus brevispinus; threatened), Uinta Basin hookless cactus (Sclerocactus wetlandicus; threatened), and Wright fishhook cactus (Sclerocactus wrightiae; endangered).

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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)