Psilonema calycinum (L.) C. A. Mey. in Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg 7: 132. 1840
Psilonema calycinum in Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg 7: 132. 1840
is new combination for Alyssum calycinum, Sp. Pl., ed. 2, 2: 908. 1763
Psilonema calycinum in Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg 7: 132. 1840