perennial

Isoetes howellii Engelm.

Isoetes howellii Engelm.. Isoetes howellii, or Howell's quillwort, is a species of quillwort, a type of lycophyte. It is an aquatic plant native to North America.

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Isoetes howellii Engelm. — seeds, tools & books

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Native range

Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.

Related plants

Aegilops cylindrica Host

Aegilops

Sources

USDA PLANTS