Free Mini Guide: Chondrus crispus vs. Mastocarpus stellatus

by Jordan Chalfant • design by Celeste Mittelhauser

photos by Jordan Chalfant and Glen Mittelhauser

The Observatory’s free mini guides for how to tell apart easily confused Maine species are designed to distill the decades of experience that enables professional naturalists and biologists to recognize each species from observing just a few key characteristics.