Fucus tuberculatus

Polysiphonia atro–rubescens [= Polysiphonia atrorubescens]

Griffithsia secundiflora

Griffithsia corallina

Polysiphonia affinis

Conferva pellucida

Exillaria crystallinum / parasitic [= Exilaria crystallinum]

Gelidium corneum

Halyseris polypodioides

Fucus æruginosus Turner / "Red Sea. Lisbon"/ New to Britain

Fucus vesiculosus. var. linearis

Dichloria viridis

Rhodomela lycopodoides [= Rhodomela lycopodioides]

Rhytiphlea complanata / (Polysiphonia cristata)

Rhodomela subfusca

Laurencia dasyphylla

Polysiphonia violacea

Corallina officinalis

Rhodomenia palmetta [= Rhodymenia palmetta]

Polysiphonia atro–purpurea [= Polysiphonia atropurpurea]

Polysiphonia fibrillosa

Polysiphonia fucoides

Gigartina acicularis / a in fine fruit

Chondrus mamillosus

Bonnemaisonia asparagoides