rasp fern

(redirected from rasp ferns)
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Noun1.rasp fern - any fern of the genus Doodia having pinnate fronds with sharply dentate pinnaerasp fern - any fern of the genus Doodia having pinnate fronds with sharply dentate pinnae
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
genus Doodia, Doodia - in some classification systems placed in family Polypodiaceae; small terrestrial colony-forming ferns of Australasia