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Iodinebush
Allenrolfea occidentalis
NatureServe conservation status
Global (G-rank): G5
State (S-rank): S3
External links
Species range
Estimate from download of data from Utah Rare Plant Database on March 7, 2024.
Geocat observations: 72 Extent of Occurrence: 124,044.369 km2.
Historic observations over 40 years old were not used.
Saline and alkaline pans, springs, and seeps, and in other saline sites, often with saltgrass, samphire, seepweed, and other halophytes, at 950 to 1620 (1800) m in Beaver, Box Elder, Cache, Davis, Emery, Grand, Iron, Juab, Millard, Salt Lake, Tooele, Utah, Washington, Wayne, and Weber counties, Utah; Oregon and Idaho, s. to Califonia, Arizona, Texas, and Mexico; (Welsh et al. 2015).
Threats or limiting factors
There are 72 recorded occurrences of Allenrolfea occidentalis in Utah within the last 40 years. Most of the threats to these occurrences are due to impacts from grazing, renewable energy production, road maintenance, fire, drought, and climate change. 37 of the occurrences are in cattle grazing allotments, although if cattle can actually access these areas and the impacts they have on these occurrences is unknown. 4 occurrences are in boundaries of past wildfires, although impacts on these occurrences from fires and fire suppression tactics is unknown. 1 occurrence is in a phase 1 wind zone, 25 are within boundaries of phase 1 solar zones, 12 are within boundaries of phase 1 geothermal zones, and 12 are near potential energy transmission lines. 4 are near permitted mineral mines, 1 is near a past uranium producer, although this area seems undisturbed. 9 occurrences are near trails and pathways, 59 are near Utah Roads, 41 of which are major roads. 11 occurrences are near rail roads, and 7 are near Electric Lines.
