Sea lettuce (Ulva lactuca)	Green Seaweeds
Rockweed (Fucus spp.)	Brown Seaweeds
Dulse (Rhodymenia palmata)	Red Seaweeds
Use these algal keys to identify some of the seaweeds found in Salem Sound.
Would you like to learn more? Join one of our volunteer marine invasive species monitoring teams they explore the North Shore's rocky coast!

How many types of seaweed can you identify?

Photo by Cindy Dunn
Photo contains 1) Sea Lettuce, 2) Green Cotton Weed, 3) Porphyra,
4) Rockweed, 5) Sausage Weed and 6) Irish Moss

Volunteers in action

(Left to Right: Dylan Young, Tara Gallager, and Peter
Russell at Chandler Hovey Park in Marblehead)

Email Barbara Warren to get involved!