Signs of the Seasons: A Maine Phenology Program Coastal Field Guide 2013: Our training and field observation handbook shows you how to set up your observation program for the rockweed species, Ascophyllum nodosum. Includes information on how to record your observation data. The handbook provides detailed information on each step, as well as additional resources to help you get started.
Use the following online forms to report your data at the end of the season:
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Image Description: rockweed flowers: dotted inflated receptacles