Isoetaceae
Quillwort Family
1 genera
7 species
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Isoetes bolanderiBolander's quillwort
Origin: Native
Isoetes howelliiHowell's quillwort
Origin: Native
Isoetes maritimamaritime quillwort
Origin: Native
Isoetes minima
Distribution: Currently known only from Kittitas and Spokane Counties in Washington, and in south-central British Columbia.
Habitat: Seasonally moist swales and vernal pools at middle elevations among open conifer forest or sagebrush-steppe.
Origin: Native
Spores: June
Isoetes nuttalliiNuttall's quillwort
Origin: Native
Isoetes occidentaliswestern quillwort
Origin: Native
Isoetes tenellabristle-like quillwort, spiny spored quillwort
Origin: Native