Dryopteris filix-mas

dryop·te·ris·filixmas

uncommon

noun

fern of North America and Europe whose rhizomes and stalks yield an oleoresin used to expel tapeworms

Synonyms

Dryopithecus Dryopithecus Rudapithecus hungaricus Dryopteridaceae Dryopteris Dryopteris dilatata Dryopteris fragrans Dryopteris goldiana Dryopteris hexagonoptera Dryopteris marginalis Dryopteris noveboracensis

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