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Howell quillwort
Isoetes howellii
NatureServe conservation status
Global (G-rank): GNR
State (S-rank): S1
External links
Species range
Estimate from download of data from Utah Rare Plant Database on March 2nd 2023.
Geocat 4 observations: Extent of Occurrence: 74.918 km2.
Historic observations over 40 years old were not used.
Pond margin at ca 1735 m in Cache (Dry Lake) and Washington (ephemeral pool, slickrock east of Motoqua) cos.; Wash. to Mont., s. to Calif (Welsh et al 2015).
Threats or limiting factors
Threats unknown. Drought is likely a threat to vernal pool habitat where this species occurs in Washington County however it is unknown how this species is being affected.
