rough spleenwort
now rare
noun
The hard fern, Blechnum spicant (family Blechnaceae), of northern Europe and parts of North America, having hard leathery fronds; (formerly also) †any of several other ferns, as the hart's tongue fern, Asplenium scolopendrium ( obsolete ).
Origin
Late 16th century; earliest use found in John Gerard (c1545–1612), herbalist.