Synonyms: Bigelovia verticillata (homotypic); Borreria commutata; Borreria globularioides; Borreria graminifolia; Borreria kohautiana; Borreria laevigata; Borreria minima; Borreria molleri; Borreria oaxacana; Borreria oligodonta; Borreria podocephala; Borreria podocephala var. pumila; Borreria stricta (heterotypic); Borreria suaveolens f. rigidior; Borreria verticillata (homotypic); Borreria verticillata var. brevifolia; Borreria verticillata var. caesia; Borreria verticillata var. thymiformis; Borreria verticilliata; Spermacoce fruticosa (heterotypic); Spermacoce globosa (heterotypic); Spermacoce graminifolia; Spermacoce hyssopifolia (heterotypic); Spermacoce laeta; Spermacoce laevigata (heterotypic); Spermacoce minima (homotypic); Spermacoce molleri; Spermacoce mucronata; Spermacoce oaxacana; Spermacoce oligodonta; Spermacoce podocephala; Spermacoce polycephala (homotypic); Spermacoce pygmaea; Spermacoce reclinata; Spermacoce stellata; Tardavel podocephala; Tardavel verticillata (homotypic)