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Pacific Seaweeds

38 | Thumbnail Identification Guide

Feather-like branching

Seaweeds flattened with feather-like branching, usually less than 1 m/3 ft long, p. 198

Kelp

Seaweeds large, 0.5–55 m/1.6–180 ft long, tough, with flattened blades, p. 200

Simple blades

Kelp simple, unbranched blades, lacking ribs and sporophylls, p. 202

Winged kelp

Kelp with numerous small lateral blades arising from the stipe (stem), p. 208

Ribbed kelp

Kelp simple, unbranched blades with ribs, p. 219

Repeatedly branched kelp

Kelp repeatedly branched, p. 224

A grey whale frolicking in a forest of bull kelp (Nereocystis leutkeana) in Bamfield, BC.