特殊用法bitter poplar1.苦杨black (Italian) poplar1.黑杨Chinese white poplar1.毛白杨eastern poplar1.北美杨eugene poplar1.加拿大杨European white poplar1.欧洲白杨grey poplar1.银白杨Japan poplar1.辽杨lombardy poplar1.钻天杨scented poplar1.大叶钻天杨Simon poplar1.小叶杨trembling poplar1.鹅掌楸aspen tulip poplar1.鹅掌楸white poplar1.白杨yellow poplar1.北美鹅掌揪