It is a great time of the year to be outside watching the leaves turn color a little bit each day even though the fall color season is late this year compared to recent years. Collecting those leaves ...

It's easy to be impressed by the Virginia creeper's fall display of vibrant red leaves. But this attractive plant has a darker side: berries that can irritate the mouth and sap that can cause a skin ...

A few years ago I was leading a group of Merrimack College ecology students on a nature walk, when one of them pointed to a vine with five leaflets per leaf, and asked if it was poison ivy. “No,” I ...