[Quillworts: The Genus Isoetes in the Cascade Mountains of Oregon and Washington]

Western Quillwort

Isoetes occidentalis

Synonyms: Isoetes flettii, Isoetes lacustris, Isoetes lacustris var. paupercula, Isoetes paupercula, Isoetes piperi

Western Quillwort: Isoetes occidentalis (Synonyms: Isoetes flettii, Isoetes lacustris, Isoetes lacustris var. paupercula, Isoetes paupercula, Isoetes piperi)

What appears to be western quillwort as seen from the south shoreline of Deep Lake, Indian Heaven Wilderness.........August 26, 2016. Note the stiff, erect to spreading leaves which taper gradually to a point.

Western Quillwort: Isoetes occidentalis (Synonyms: Isoetes flettii, Isoetes lacustris, Isoetes lacustris var. paupercula, Isoetes paupercula, Isoetes piperi) - Habitat of Western Quillwort: Isoetes occidentalis (Synonyms: Isoetes flettii, Isoetes lacustris, Isoetes lacustris var. paupercula, Isoetes paupercula, Isoetes piperi)

What appears to be western quillwort as seen from the south shoreline of Deep Lake, Indian Heaven Wilderness.........August 26, 2016. Plants at this location are found amongst bur-reeds (Sparganium sp.) on sandy lake bottoms covered with a thin layer of detritus. Plants here are partly emergent. Note the stiff, erect to spreading leaves which taper gradually to a point.

Paul Slichter