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42 quillwort family species
Isoetes butleri
Isoetes graniticola
Isoetes mattaponica
Isoetes ekmanii
Isoetes flaccida
Isoetes georgiana
Isoetes hawaiiensis
Isoetes hyemalis
Isoetes junciformis
Isoetes lithophila
Isoetes louisianensis
Isoetes melanospora
Isoetes piedmontana
Isoetes tegetiformans
Isoetes valida
Isoetes delilei
Isoetes tennesseensis
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