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Photo by Tony Frates; Bill Gray; Jennifer Poore; Jennifer Poore
Photo Courtesy of Utah Native Plant Society; Utah Division of Wildlife Resources; Sources: ESRI, USGS, NOAA; Photo Courtesy of Utah Rare Plant Program; Courtesy of: Utah Rare Plant Program
Wheeler's angelica
Angelica wheeleri
NatureServe conservation status
Global (G-rank): G2
State (S-rank): S2
External links
Species range
Estimate from download of data from Utah Rare Plant Database on December 8th 2023. Geocat 176 observations: Extent of Occurrence: 20,999.681 km2. Historic observations over 40 years old were not used. Boggy or very wet areas often in riparian communities or in seeps and springs at 1880 to 3050 m in Cache, Juab, Piute, Salt Lake, Sevier, and Utah counties; a Northern Uplands-Southern Plateaus endemic to Utah (Welsh et. al. 2015).
Threats or limiting factors
Threats are mainly from impacts from grazing and climate change. Almost all occurrences are in active grazing allotments, although it is unclear how many are directly accessed by cattle. Utah Native Plant Rare Plant Master List (Utah Native Plant Society, 2023) includes cattle grazing as a potential threat. UNPS indicates that there is also a potential threat in the Tushar Mountains and Wasatch Range of naturalized mountain goats in the area (Alexander Feb.1, 2015; Frates May 2018). However, Angelica wheeleri occurrences do not seem to overlap much with mapped mountain goat habitat. Climate change is also a threat. Droughts and rapid snowmelt due to wind-blown sediments are melting snowpack earlier than normal in our region. (Alexander Feb.1, 2015). Threats were compiled with GIS data as well as from the UNPS.
In addition to named threats the riparian and wetland habitats required by this species are potentially impacted by urban development, stream channelization, water diversions and other watershed and stream alterations, recreation, and invasion by exotic plant species (Franklin 2005).
