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 Ulmus americana , spec. nov. 2. Ulmus foliis aequaliter serratis: basi inaequalibus. Ulmus fructu membranaceo, foliis simplicissime serratis. Gron. virg. 145. * Habitat in Virginia . ♄