Isoetes(redirected from Isoëtes)
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(Plants) any aquatic tracheophyte plant of the genus Isoetes; quillwort
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|Noun||1.||Isoetes - type and genus of the Isoetaceae and sole extant genus of the order Isoetales|
fern genus - genera of ferns and fern allies
quillwort - any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia