Category Tools

Seaweed Map

An interactive map to explore the distribution of seaweed species in Maine.

Mini Guides

Free mini-guides designed to distill the decades of experience that enables professional naturalists and biologists to recognize each species by observing a few key characteristics.

Island Plants Map

This map is the culmination of decades of Maine island vascular plant data from published lists, unpublished lists, herbarium vouchers, and the fieldwork done by Observatory staff over the last 30 years.