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Identifying Pacific Seaweeds

Thumbnail Identification Guide | 37

Brown Seaweeds

Seaweeds yellowish to light brown to dark brown, p. 157

Crusts

Seaweeds crusts, usually lacking upright portions, to 40 cm/16 in in diameter, p. 159

Filaments

Seaweeds thread-like or filamentous, less than 1 mm/0.04 in wide, p. 163

Globular or cushiony

Seaweeds cushion or sac-like, to 30 cm/12 in at greatest dimension, p. 168

Small flat blades

Seaweeds small, usually less than 10 cm/4 in long and unbranched blades, p. 174

Dichotomously branched

Seaweeds small, usually less than 40 cm/16 in, and “Y” branched (dichotomous), p. 180

Cylinders

Seaweeds cylindrical throughout, branched or un-branched, to 1 m/3 ft long, p. 187

Radially branched with some parts flattened

Seaweeds radially branched with numerous blades, up to 3 m/10 ft long, p. 194