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Moore's globemallow
Sphaeralcea moorei
NatureServe conservation status
Global (G-rank): G3
State (S-rank): S3
External links
Species range
Estimate from download of data from Utah Rare Plant Database on July 18, 2024.
Geocat 8 observations: Extent of Occurrence: 2,722.453 km2.
Historic observations over 40 years old were not used.
Blackbrush, ephedra, matchweed, Vanclevea, yucca, pinyon-juniper, chaffbush, indigo bush, sagebrush, and hanging garden communities, typically in sandy substrates, at 850 to 1830 m, along the Colorado River in Glen Canyon and its tributaries in e. Garfield, Kane, and San Juan cos.; a Navajo Basin endemic (Welsh et al. 2015). It is, is mainly a low elevation species of sandy tracts along Glen Canyon and the San Juan River. Its range extends upward along the east escarpment of Fifty Mile Mountain west of Glen Canyon proper, and evidently reaches its northern limit at Calf Creek, east of Escalante. Some plants with uncut leaves are included here also, especially some from the Three Garden Reentry along Lake Powell, on the Glen Canyon arm north of the confluence with the San Juan. The species tends to intergrade at least morphologically with S. grossulariifolia, but not more so than for taxa as a whole in this genus and it is reasonable to accept it at specific rank. Possibly one should look to S. rusbyi for a closer alliance (Welsh et al 2015).
Threats or limiting factors
The main threats are from habitat degradation due to grazing, drought, and road maintenance.
Threats compiled using observations and notes from Utah Rare Plant Database and Utah Geospatial Resource Center GIS Data downloaded in 2024. Severity of impacts are not well known so ranges are provided where appropriate. Almost all occurrences are within grazing allotments. Drought and climate change is also a threat and likely impacting this species through out it's range (Wrobleski, 2023). Nearly half of know occurrences are near roads and may be impacted by maintenance.