Sorbus aucuparia fenenkiana, Sorbus aucuparia glabrata, Sorbus aucuparia praemorsa
Korean Stewartia – S. koreana
Silky Stewartia – S. malacodendron
Tall Stewartia – S. monadelpha
Mountain Stewartia – S. ovata
Japanese Stewartia – S. pseudocamellia
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17
4, 5, 6, 14, 15, 16, 17, 20, 21