coral fern

Noun

 * 1)  Any of various ferns with forked coral-like fronds of the genus.
 * 2) * 1999,, The Hunter, Faber & Faber 2012, p. 31:
 * [T]he ground up here is waterlogged and riddled with potholes, holes beneath the spongy coral fern, hidden holes throughout the sphagnum.