Seaweed Map
An interactive map to explore the distribution of seaweed species in Maine.
Category Tools
Maine Biota Project
An interactive online resource to catalog all living 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.
Observer Field Journal
An online natural history journal that features Maine-based natural history observation, musings about the natural world, reflections from amateur or professional field studies, and much more!
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This map is the culmination of decades of Maine island vascular plant data from published lists, unpublished lists, herbarium vouchers, and the fieldwork done by Observatory staff over the last 30 years.