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Articulated Coralline Algae

Articulated Coralline Algae belongs to a group of red seaweeds known as coralline seaweeds, they have a chalky deposit in their cell walls that makes them hard. Coral weed fronds have sections that are ridged but separated by a flexible joint that allows them to move with the wave action. The branches usually lie flat creating a flattened frond, but the shape of these plants can be quite varied. Read More….


Bull Kelp

Also known as bullwhip kelp or ribbon kelp. Bull kelp can grow to amazing lengths with some stalks reaching up to 25 meters and the ribbons reaching a further 4 meters. The bulbs can get to 15 cm around. They can be found growing from Alaska to California and they grow profusely on all parts of Vancouver Island. This kelp has over the years been harvested commercially for both fresh and dried produce for human consumption. Read More….


Green Algae

Green Algae can range from one-celled organisms to very large and complex, multi-celled organisms. They live in large colonies. There are both marine and freshwater green algae species. Green algae could play a role in reducing global warming. As sea ice melts and iron is introduced to the ocean. This fuels the growth of algae, which absorb carbon dioxide and this could help reduce the effects of global warming. Read More…



Pacific Rockweed

Pacific Rockweed grows all over the BC coastal region, you can find rockweed growing from Northern BC to Northern California. It is a very common plant on the shores of the Pacific Northwest. You can find growing on inter tidal rocky outcrops and on big rock shores. Pacific Rockweed is a light tan olive color with erect and compact growths with flat stems that branch 2 or more times. Read More….



Sea Lettuce

Sea lettuce is a type of green algae, it can be found at low tide on most beaches of the BC coast, sea lettuce leaves, along with other adrift seaweeds, are deposited on the beach as the seawater retreats. It looks surprisingly like store-bought lettuce. This seaweed is one of some 600 species of seaweed in the pacific northwest and is a member of a group that makes up at least half of all living matter on earth.  Read More….



Split Kelp

Split kelp is medium to dark brown and has a thallus that is up to one meter tall and has a branched anchor that becomes a single stalk. The stalk flattens at its top to become a large flat blade that is divided into several ribbons, it is round-shaped and rubbery to touch. The blade can be up to 95 cm long and up to 30 cm wide. The stalk can be up to 100 cm long, and up to 2 cm in diameter.  Read More….



Sugar Kelp

Sugar kelp is a large brown algae species that can grow to lengths over 2 meters. The kelp has three components, the blade, the stalk, (stipe) and the anchor, (holdfast) which is used to attach the kelp to a hard substrate like a piling, wharf or rock. This kelp is usually a dark brown color with a rippled appearance that makes it look a lasagna noodle. It also has dimples, along the length of its blade on each side. Read More….




Wireweed attaches itself to rocks or other anchors from low inter-tidal waters down to depths of up to 6 meters. The plant is normally a yellowish-brown color and has a short stalk that branches many times with flat leaf-like growths growing at all parts of the stalk that contain all the reproductive components of the plant. This is an invasive plant that first came here from Japan on oyster spat. This plant now grows all over our coast. Read More….



Bull Kelp, Vancouver Island, BC, Photo By Bud Logan

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