Ceramium decurrens

Ceramium echionotum

Calothrix confervicola / parasitic

Callithamnion gracillimum

Callithamnion pedicellatum

Callithamnion tetragonum

Callithamnion spongiosum

Callithamnion Arbuscular [= Callithamnion arbuscular]

Conferva arcta - the three upper specimens in the young state

Chylocladia kaliformis

Achnanthes longipes

Callithamnion hookeri

Callithamnion turneri

Ceramium gracillimum

Callithamnion corymbosum

Ceramium fastigiatum

Conferva carnea

Ceramium agardhiarum

Polysiphonia fastigiata

Polysiphonia fucoides

Polysiphonia fibrillosa

Nitophyllum punctatum / β [= var.] ocellatum

Ceramium botryocarpum / upper spec[ime]n young

Delesseria sinuosa, var.

Conferva refracta