Isoetales

Thesaurus

Noun

1.

Isoetales - aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales order Isoetales plant order - the order of plants class Lycopodiate, class Lycopsida, Lycopodiate, Lycopsida - club mosses and related forms: includes Lycopodiales; Isoetales; Selaginellales; and extinct Lepidodendrales; sometimes considered a subdivision of Tracheophyta family Isoetaceae, Isoetaceae, quillwort family - quillworts; coextensive with the genus Isoetes

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