Codium bursa

Conferva Brownii

Conferva uncialis

Callithamnion pluma [&] D[itt]o repens

Callithamnion secundatum / (on porphyra)

Padina pavonia

Lyngbya majuscula

Callithamnion purpurascens

Conferva dissiliens

Ceramium diaphanum

Callithamnion byssoides

Sphaeroplea punctalis

Conferva flaccida

Conferva bombycina

Ceramium fastigiatum

Conferva arenosa / this conferva, a few years ago / covered whole areas in Oxfordshire / and Berkshire

Sphacelaria radicans

Codium adhaerens

Conferva purpurascens

Conferva fontinalis

Ceramium fastigiatum

Schizonema implicatum

Conferva flavescens

Schizonema parasiticum

Conferva tortuosa