Europe, Eastern Europe, Southern Europe, Western Asia
Belgian Endive, Red Belgian Endive, Curly Endive (a.k.a. Frisee), Escarole, Radicchio (Chioggia) and Radicchio (Chioggia)
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24