Historical Common Names of Great Plains Plants:

Ophioglossum engelmannii Prantl.

Origin: native

Common names:

Adder's-tongue [Adder's tongue] (1913-1977) (3, 5, 97)

Adder's-tongue fern [Adder's tongue fern] (1937, TX) (124)

Engelmann's adder's-tongue [Engelmann's addertongue, Engelmann adderstongue] (1937-1942) (122, 155)

Limestone adder's-tongue [Limestone adder's tongue, Limestone adderstongue] (1986-Present) (4, 50)