adder's tongue fern
 

* 1.ferns with fertile spikes shaped like a snake's tongue

English Related Words* a sharp tongue

* a slip of the tongue

* a smooth tongue

* adder's fern

* adder's tongue

* alabama lip fern

* alpine lady fern

* american maidenhair fern

* american parsley fern

* american wall fern

* annual fern

* aquatic fern

* asparagus fern

* at or on the tip of one's tongue

* bald tongue