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Forming a dense rounded mass, in a pool in the woods, near Walsingham.

Forming dense masses in a deep hole under a cliff, Tuckertown [= Tucker's Town].

In shallow water of tidal creek, Hungry Bay.

In a small pool, surrounded by land, but with subterranean connection with Harrington Sound.

On rock at low water, Castle Harbor.

Same station [= In pools, South Shore].

In pools, South Shore.

Pool near Tom Moore's calabash tree.

Forming a gelatinous mass with other algae, Gibbet Island.

At low ater mark, Harris's Bay.

On rocks, Harris's Bay.

On various algae, Horne's Bay.

At low water mark, Horne's Bay.

In dense tufts on exposed flat rocks, near low water mark, south shore near Spanish Rock.

Kvalneset

Lausundholmen

Samfjordstraumen

Gjevillvatnet øst, ved Tørvessætra.

Trondheimsleia, Nord-Leksa, Heradsvika rett N for Nordleksa ferjekai.

Trondheimsfjorden, Lensvik, Lensvik småbåthavn.

Trondheimsleia, Sør-Leksa, Sørhamna.

Staultjønna, Vefsn.

Growing just below low water mark, Butler's Point, Wood's Hole, Massachusetts.

In one half to one meter water at low tide, locally abundant, Key West, Florida.

Forming a band near low water mark, on exposed rocks, Hardhead Island, Penobscot Bay, Maine.

In lower pools at Sea Wall, Mount Desert Island, Maine.

On stones near low water mark, mouth of harbor, Pictou, Nova Scotia.

On pebbles covering bottom of pools at low water mark, Spectacle Island, Penobscot Bay, Maine.

On mussel shells and rocks, Penobscot Bay, Maine.

On rocks and mussel shells in pools, Newcastle, New Hampshire.

In tide pools at low water mark, Ochre Point, Newport, R. I.

Attached to stones in a narrow channel where the tide flows in and out of a small bay near Coupeville, Whidbey Island, Washington.

At low water mark and below, Spectacle Island, Penobscot Bay, Maine.

Lying loose on bottom, at and below low water mark, Cape Rosier, Maine.

Bantam Lace, Litchfield, Connecticut.

In pools, Topsail, Conception Bay, Newfoundland.

On stones and shells, in tide pools, Spectacle Island, Penobscot Bay, Maine.

Brought up by scallop dredges from deep water, Penobscot Bay, Maine.

Upper sublitoral zone, Channel Rocks near Fort Ward, west of Seattle, Washington.

Washed ashore, Bridgeport, in spring, Connecticut.

In one-half to one meter depth, Cedar Pond, Orleans, Massachusetts.

In brooks, Canoas, San Luis Potosi, Mexico.

Mount Carmel, Illinois.

In pools at low water mark, Pacific Beach, California.

In shallow water, Port Antonio, Jamaica.

Forming small circular patches or more often indefinite expanded bright red coatings on rocks at the outlet of the springs, New Braunfels, Texas.

On shells and stones between tide marks, Cape Rosier, Maine.

Washed ashore after a severe gale, Revere Beach, Massachusetts.

Attached to rocks along low tideline, Esquimault, British Columbia.

On rocks in great abundance at Land's End, San Francisco, California.