The Collaborative International Dictionary of English v.0.48:
ferned \ferned\ adj. abounding in or covered with ferns. [Narrower terms: braky ] {fernless Syn: ferny. [WordNet 1.5 +PJC]WordNet (r) 3.0 (2006):
ferned adj 1: abounding in or covered with ferns; "the ferny undergrowth" [syn: ferned, ferny] [ant: fernless]