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 Euphorbia apios , spec. nov. 33. Euphorbia umbella quinquefida: bifida, involucellis obcordatis. Diss. euph.31. Tithymalus tuberosa pyriformi radice. Bauh. pin. 292. Tithymalus tuberosa radice. Clus. hist. 2. p. 190. Habitat in Creta .