Sinapis incana Linnaeus, Centuria I Plantarum: 19. 1755.

"Habitat in Gallia, Lusitania, Hispania." RCN: 4871.

Lectotype ( Gómez-Campo in Cafferty & Jarvis in Taxon 51: 535. 2002): [icon] "Erysimum brevissimis siliquis subincanum" in Hermann, Parad. Bat.: 155. 1698.

Current name: Hirschfeldia incana (L.) Lagr. -Foss. ( Brassicaceae).

Note: Jafri (in Fl. Libya 23: 27. 1977) designated Herb. Linn. No. 845.16 (LINN) as type, evidently unaware that the material is identifiable as Brassica nigra (L.) Koch. The other original element, however, the cited Hermann plate, does correspond with current usage. Although there are few characters in the protologue that allow the two taxa to be distinguished, Linnaeus (1755: 20) did refer to "Folia canescentia", a character pointing strongly to H. incana but not to B. nigra . Gómez-Campo therefore rejected Jafri’s typification in favour of the Hermann plate, in accordance with Art. 9.17 (b), in order to preserve nomenclatural stability.