Williamson, E. B. 103
Willow 36, 38, 40, 300
black 36, 37, 297, 300
crack 40, 42
glaucous 43
peach-leaved 38, 39
pussy 43, 44
swamp 43
white 40, 41
Trees of Indiana First Revised Edition (Publication No. 13, Department of Conservation, State of Indiana) · 第 263 / 265 题