What is the difference between a native and an invasive species? When does an invasive become native? These questions, among others, will be discussed during a tour of NH Audubon Massabesic Center fields and woods. Take a look at some of our invasive plant species and learn their identifiable marks to pick these pesky plants out of the crowd.

Registration required; cost: $10/Members, $15/Non-members. Purchase tickets below.