|shrubby glaucocarpum, toad-flax cress|
|(Rollins) Welsh and Chatterly|
The following Participating Institutions are custodians for this species in the CPC National Collection:
Red Butte Garden and Arboretum
The conservation of Glaucocarpum suffrutescens is fully sponsored.
Sylvia Torti contributed to this Plant Profile.
A perennial herbaceous plant with clumped stems arising from a branching woody root crown. The flowers are light yellow or green-yellow in a raceme (cluster) at the end of the stems.
Distribution & Occurrence
This species occurs in a desert shrubland, with occasional Utah Juniper and Pinyon Pine trees. It grows on clay soils with chips of white shale. The soil is derived from the Evacuation Creek Member of the Green River geological formation between 5,400-6,000 feet elevation.
|Three known populations with a total number of individuals estimated at about 5,000 individuals. (USFWS 1994)|
Conservation, Ecology & Research
Oil-shale mining and processing
Off-road vehicle use and surface disturbing activities associated with energy development
Building stone removal
1988. Threatened and Endangered Plants Summary. Sego Lily: Newsletter of the Utah Native Plant Society. 15: 2.
Franklin, B. 1996. Uinta Basin's Reed-Mustards. Sego Lily: Newsletter of the Utah Native Plant Society. 19
USFWS. 1985. Proposal to Determine Glaucocarpum suffrutescens to be an Endangered Species with Critical Habitat. Federal Register. 50, 172: 36118-36122.
USFWS. 1985. Protection Recommended for Three Plants. Endangered Species Technical Bulletin. 10, 10: 1, 5-6.
USFWS. 1985. Public Hearing and Extension of Comment Period on Proposed Endangered Status With Critical Habitat for Glaucocarpum suffrutescens (Toadflax Cress). Federal Register. 50, 213: 45846.
USFWS. 1985. Reopening of Comment Period on Proposed Endangered Status With Critical Habitat for Glaucocarpum suffrutescens (Toadflax Cress). Federal Register. 50, 238: 50646-50647.
USFWS. 1987. Determination that Glaucocarpum suffrutescens is Federally Endangered. Federal Register. 52: 37420.
USFWS. 1987. Final Listing Rules Approved for 10 Species. Endangered Species Technical Bulletin. 12, 11-12: 8.