Want to get up close and personal with a plant that looks like this?

Water chestnut (Trapa natans), US Fish and Wildlife Service

It’s an invasive water chestnut (Trapa natans), and Boston’s rivers are full of them!  Continue reading →

Originally published August, 2011.

Water Chestnut overload! Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

There’s some curious reasoning in “The invasive species war,” an “Ideas” piece on plants and attitudes that ran in last Sunday’s Boston Globe. Continue reading →