Ceramium rubrum

Ceramium botryocarpum / upper spec[ime]n young

Ceramium echionotum

Gelidium corneum / var. pinnatum

Rhodomela subfusca

Rhodomela lycopodoides [= Rhodomela lycopodioides]

Callithamnion Arbuscular [= Callithamnion arbuscular]

Callithamnion tetricum

Calothrix confervicola / parasitic

Callithamnion tetragonum

Conferva Hutchinsus

Ectocarpus distortus

Conferva glaucescens

Polysiphonia urceolata. var. patens

Griffithsia multifida / var. pilifera

Callithamnion pedicellatum

Ceramium rubrum / var.

Chylocladia articulata

Callithamnion plumula

Conferva diffusa

Plocamium coccineum

Bonnemaisonia asparagoides

Conferva læte-virens [lætevirens]

Achnanthes longipes

Laurencia pinnatifida