Legousiafalcata is the name of a species, part of the genus Legousia.
This name is an alternative combination by Fritsch ex Janch. of an original description of species by Ten. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Legousiafalcata (Ten.) Fritsch ex Janch. var. scabra (Lowe) A.DC.
Legousiafalcata (Ten.) Fritsch ex Janch. var. typica Maire