Adder's tongue is a common name for several plants and may refer to:
Ophioglossum, a genus of ferns in the family Ophioglossaceae
Erythronium (also known as fawn lily, trout lily, or dog's-tooth violet), a genus of lilies
California fetid adderstongue and Bigelow's adderstongue are common names for Scoliopus bigelovii
Index of plants with the same common name
This page is an index of articles on plant species (or higher taxonomic groups) with the same common name (vernacular name). If an internal link led you here, you may wish to edit the linking article so that it links directly to the intended article.