Brassica gallica (Willd.) Druce = Erucastrum gallicum (Willd.) O.E.Schulz
English:
gallicus,-a,-um;

https://archive.org/stream/reportbotanicals6192bota#page/272/mode/2up
homotypic synonyms:
Brassica gallica (Willd.) G.H.Loos; Erucastrum gallicum (Willd.) O.E.Schulz; Hirschfeldia gallica (Willd.) Fritsch; Sisymbrium gallicum Willd.;

protologue: Rep. Bot. Soc. Exch. Club Brit. Isles 6: 272 (1921 publ. 1922)

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