Stricly speaking, this group is used here for kales with flat leaves. According to languages, names may include other types of kale, which are detailed under [[Common names: Brassica oleracea Medullosa Group|Medullosa Group]], [[Common names: Brassica oleracea Palmifolia Group|Palmifolia Group]], [[Common names: Brassica oleracea Ramosa Group|Ramosa Group]], [[Common names: Brassica oleracea Sabellica Group|Sabellica Group]], [[Common names: Brassica oleracea Selenisia Group|Selenisia Group]].
Kales which don't form a trunk are grown for Human consumption above all in southern USA, and called collards, or spring greens in the UK. In French, they are known as collard or chou à rosette (Canada), or chou rosette (in france (Vilmorin-Andrieux).
(1) A type of kale with a high trunk.
(2) Means 'fodder kale' or 'cow kale'. Some 'fodder kales' may belong to ''Brassica napus''.