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Photo by Ben Franklin; Bill Gray; Bill Gray; Bill Gray; Bill Gray; Bill Gray
Photo Courtesy of Utah Division of Wildlife Resources; Utah Division of Wildlife Resources; Sources: ESRI, USGS, NOAA; Sources: ESRI, USGS, NOAA
Shivwits Milkvetch
Astragalus ampullarioides
NatureServe conservation status
Global (G-rank): G1
State (S-rank): S1
External links
Phenology
Flowers from late April to early June
Species range
Found only in Washington County, Utah.
Threats or limiting factors
Threats include habitat loss due to development, grazing, small mammal herbivory and recreation (USFWS 2021). Some populations are fenced off which excludes recreation and grazing, but the species is very palatable and still threatened by small mammal herbivory (USFWS 2021). Development around some sites may impact pollinator abundance and although this species can self fertilize, seed set is much lower than when cross pollinated (Tepedino 2005). Gene flow between population is also lower than historic levels (Breinholt et al. 2009).
