s, a, o, d, e, f, g, n, r, t, u are letters that make 'adder's tongue fern'
tongue, ER, DD, ad, RN, fern, tongue fern, ton, ng, add, ADD, adder's tongue, on, GU, AD, ern, adder, DE, NGU, Er, Fe, Rn are words within 'adder's tongue fern'
1 possible definitions for 'adder's tongue fern'
Under this definition, adder's tongue fern is a noun and has the following properties:
adder's tongue has the same meaning as adder's tongue fern
'adder's tongue fern' can be a type of fern.
ribbon fern, Ophioglossum pendulum are types of 'adder's tongue fern'.
'adder's tongue fern' can be a member of Ophioglossum, genus Ophioglossum.