Definition of rasp fern in English:

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rasp fern

Entry from British & World English dictionary

noun

A small robust fern with prickly toothed edges to the lobes, growing in woodland and rainforests in Australasia and Polynesia, typically in rocky crevices.
  • Genus Doodia, family Blechnaceae.
Example sentences
  • The Rasp fern also contains a powerful hormonal insecticide that kills larval stage insects.

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