Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis Author Linnaeus, Carolus text 1758 Laurentius Salvius Stockholm https://archive.org/download/mobot31753000798865/mobot31753000798865.pdf book 2C6327E1-5560-4DB4-B9CA-76A0FA03D975 https://doi.org/10.5962/bhl.title.542 3922206 Coluber chersea [ spec. nov. ] Faun . svec. 261. L. Act. Stockh. 1749. p. 246. t. 6. Aldr. serp. 197. Aspis colore ferrugineo. Habitat in Sveciae depressis ; venenatissimus & morsu saepius lethalis in Svecia ; An satis diversus ab Aspide, licet apud nos minor?