Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas Author Linnaeus, Carolus text 1753 Laurentius Salvius Stockholm https://doi.org/10.5962/bhl.title.669 book 10.5281/zenodo.3931989 3931989 Acorus calamus var. verus , var. nov. β. Acorus asiaticus, radice tenuiore. Herm. lugdb. 9. Fl. zeyl. 132. Waembu. Rheed. mal. 11. p. 99. t. 60.