|
Definition of Oak fern
1. Noun. Bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere.
Exact synonyms: Gymnocarpium Dryopteris, Thelypteris Dryopteris
Generic synonyms: Fern
Group relationships: Genus Gymnocarpium, Gymnocarpium
Generic synonyms: Fern
Group relationships: Genus Gymnocarpium, Gymnocarpium
Definition of Oak fern
1. Noun. Any of various ferns which grow on trees and walls, specifically common polypody, formerly thought to have medicinal properties when found growing on an oak. ¹
¹ Source: wiktionary.com