To differentiate between native and invasive, a section of the stem is clipped off and observed; native honeysuckle will not have a hollow pith through the middle of the stem, while invasive ...

Amur honeysuckle (Lonicera maackii) is one of four species of non-native honeysuckle listed as Restricted Noxious Weeds in Minnesota. It is native to Asia and was introduced to North America as an ...