Taxa Count: 24

ISOETACEAE

Isoetes bolanderi

Isoetes butleri

Isoetes caroliniana

Isoetes echinospora

Isoetes engelmannii

Isoetes flaccida

Isoetes howellii

Isoetes lithophila

Isoetes melanopoda

Isoetes melanospora

Isoetes mexicana

Isoetes nuttallii

Isoetes orcuttii

Isoetes pringlei

Isoetes riparia

Isoetes saccharata

Isoetes tegetiformans

Isoetes tuckermanii

Isoetes virginica

Isoetes x dodgei

Isoetes x eatonii

Isoëtes flaccida var. chapmanii

Isoëtes lacustris