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Clay-verbena
Abronia argillosa
NatureServe conservation status
Global (G-rank): G3G4
State (S-rank): S3
External links
Species range
Estimate from download of data from Utah Rare Plant Database on March 7, 2024.
Geocat observations: 618 Extent of Occurrence: 29,797.538 km2.
Historic observations over 40 years old were not used.
Malt-saltbush, other salt desert shrub, and pinyon-juniper communities on Cretaceous Mancos Shale and Tertiary Green River formations, at 1310 to 1830 (2044) m, in Duchesne, Emery, Grand and Uintah Counties, Utah and Mesa County, Colorado.; a Colorado Plateau endemic; (Welsh et al. 2015).
Threats or limiting factors
There are 618 recorded occurrences of Abronia argillosa in Utah within the last 40 years. The main threats to these occurrences are due to impacts from grazing, energy production (solar, oil and gas, and uranium), transportation (roads and railroad) and utility line maintenance, fires and drought. 613 of the occurrences are within boundaries of grazing allotments, and 4 within reported mountain goat habitat. 20 occurrences are within boundaries of past wildfires. 64 occurrences are within the boundaries of phase 1 solar zones, 44 are near energy transmission lines, and 1 is near a potential geothermal energy source. 6 occurrences are near permitted mineral mines, 2 of which are uranium mines. 38 occurrences are also near past uranium producers. 162 occurrences are near oil or gas well locations. 114 occurrences are near trails or pathways, 585 are near Utah roads, although only 117 of those are near major roads. 71 are near railroads, and 30 are near electric lines. Climate change and ongoing drought is also a threat and likely impacting this species through out it's range (Wrobleski, 2023).
