chain fern definition

  • noun:
    • any one of numerous terrestrial ferns for the genus Woodwardia, native chiefly towards Northern Hemisphere, having pinnately compound or divided leaves that when fertile bear chainlike rows of spore situations.
    • a fern of this genus Woodwardia having the sori in chainlike rows
    • Any of different terrestrial ferns associated with the genus Woodwardia, indigenous chiefly towards the Northern Hemisphere, having pinnately compound or separated leaves whenever fertile bear chainlike rows of spore cases.
    • a fern of this genus Woodwardia getting the sori in chainlike rows
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