Cavolo rapa (Brassica rapa)
Caption: Chinese cabbage at Foodland Pukalani, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution.

Cavolo rapa (Brassica rapa)
Caption: Napa cabbage at Foodland Pukalani, Maui - Credit: Forest and Kim Starr - Plants of Hawaii - Image licensed under a Creative Commons Attribution 3.0 License, permitting sharing and adaptation with attribution.

Cavolo Senape-nera (Brassica nigra)
Caption: Dipartimento di Scienze della Vita, Università di Trieste - Progetto Dryades - Picture by Andrea Moro - Comune di Padova, Orto Botanico., PD, Veneto, Italia, - Image licensed under a Creative Commons Attribution Non Commercial Share-Alike 3.0 License

Cavolo di Persia (Brassica elongata)
Caption: Jan Kops et al. - Flora Batava - Permission granted to use under GFDL by Kurt Stueber. Source: www.biolib.de - Permission is granted to copy, distribute and/or modify this image under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.