Distribution: Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to California.
Habitat: Plants terrestrial; wet prairies, balds, open wet ground at low elevations.
Origin: Native
Growth Duration: Perennial
Conservation Status: Sensitive in Washington (WANHP)
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PNW Herbaria: Specimen records of Isoetes nuttallii in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Isoetes nuttallii checklist entry
OregonFlora: Isoetes nuttallii information
E-Flora BC: Isoetes nuttallii atlas page
CalPhotos: Isoetes nuttallii photos