Hybrid origin
Aegean Islands, Central Asia, Middle East, North Africa, Southern Europe, Western China
Chinese red birch, Betula fruticosa, Betula ermanii
Crocus abantensis, Crocus adanensis, Crocus biflorus, Crocus chrysanthus, Crocus korolkowii
Rocky areas, Sandy areas, Well Drained, Wet forest, Wet ground, Wet lands
Scrubs, Woods
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16
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