SprengBNC²³⁶²¹³⁺¹ 基本例句 施普伦¹⁰⁰ Epatorium adenophorum Spreng is a poisonous, aggressive quarantine weed. 紫茎泽兰是一种有毒的，侵占性很强的检疫性杂草。 cnki Paraffin sectioning with optical microscopy was adopted to examine the stem and leaf morphological structures of18 Eupatorium adenophorum Spreng. 利用石蜡切片法结合光学显微镜观察了紫茎泽兰18个种群的茎叶形态结构。 cnki