Silene rigidula Sm. in Sibthorp & Smith, Fl. Graec. Prodr. 1: 299. 1809 Silene rigidula Sm. in Sibthorp & Smith, Fl. Graec. Prodr. 1: 299. 1809Taxon for this nameSilene rigidula Sm. in Sibthorp & Smith, Fl. Graec. Prodr. 1: 299. 1809