Meet the Indiana Jones of Pennsylvania Botany

Missing violets, elusive trees and monstrous clovers

I first became acquainted with Bonnie Isaac when she was a guest instructor in my Master Gardener class a few years back. She’s the collection manager for botany at the Carnegie Museum of Natural History and, as you might expect, she’s incredibly knowledgeable about all things plants. She’s also an engaging and enthusiastic teacher and ever since that c…