Notes:
In addition to the single naturalized sp. included in the Fl. Madagasc. treatment, Jonsell (1982) noted that it was likely that B. juncea (L.) Coss. would also occur, and this species has indeed now been recorded (El Shehbaz, pers. comm. 2017). Many forms of B. oleracea and other spp. are cultivated as vegetables (cabbage, cauliflower etc.).
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