Southern Adderstongue Small 136×320 Medium 273×640 Large 436×1024 Download Tiff Original 1023×2400 | (671.9 KB) Description Ophioglossum vulgatum, or Southern Adderstongue is a fern-like plant commonly growing in sand dunes. Keywords Botany, fern, flowe, Ophioglossales, Ophioglossum vulgatum, plant, plants, Psilotopsida, sand dune plant, Southern Adderstongue Galleries Ferns Source: Lindley, John The Vegetable Kingdom (London, England: Bradbury & Evans, 1853)