Part four of how to tell apart Maine's common brown seaweed blades has been published! Learn about the habitat, phenology, and commonality of Agarum clathratum (Sea Colander), Alaria esculenta (Wakame), Hedophyllum nigripes (Split Kelp), Laminaria digitata (Horsetail Kelp), Petalonia fascia (Broad Leaf Weed), Saccharina latissima (Sugar Kelp), and Saccorhiza dermatodea (Tough Skin Kelp). Check out more free digital guides like this one on the Observatory website: www.mainenaturalhistory.org/guides Learn more about the upcoming Seaweeds of Maine field guide at: www.mainenaturalhistory.org/seaweeds-of-maine-project #seaweed #seaweedidentification #seaweedsofmaine #maineseaweed #marineplants #BrownSeaweed #freeguide #mainenaturalhistory #marinealgae #tidepooling #macroalgae #phycology #Phaeophyceae #kelp (fb)

The summer issue of the Observer field journal has just been published! This issue (2025, Issue 3) features articles about Blackpoll Warblers, nightjars, invasive aquatic plants, Lady Slippers, nature art and journaling, Schoodic Point SeaWatch, and more! Current members of MNHO can read this issue by logging into their account at www.mainenaturalhistory.org/memberlogin (or check your email for the link to this issue and the archives). Not a member of the Observatory? Join MNHO for as little as $10 a year at www.mainenaturalhistory.org/observer to read this issue, receive access to the entire Observer archives, and other member benefits! Cover photo: Sea Slug by Jovan Giuseppe Grollino #mainenaturalhistory #observerfieldjournal #mainenaturalscience #mainenature (fb)