科普贴：这种杂草在美国也出现了# Living
M*n
1 楼
It has been identified in western and central Maryland, Washington D.C.,
Pennsylvania, all New England states, and several other states scattered
throughout the country.
https://extension.umd.edu/learn/giant-hogweed
http://www.dailymail.co.uk/news/article-3155040/Five-children-s
Pennsylvania, all New England states, and several other states scattered
throughout the country.
https://extension.umd.edu/learn/giant-hogweed
http://www.dailymail.co.uk/news/article-3155040/Five-children-s
