Le alghe rosse (Rhodophyta) dell'Area Marina Protetta di Portofino
Il seguente elenco di specie è stato redatto da Mangialajo e riporta le specie di alghe certamente presenti all'interno dell'Area Marina Protetta di Portofino.
Acrosorium venulosum (Zanardini) Kylin
 
Acrosymphyton purpuriferum (J. Agardh) G. Sjöstedt
 
Acrothamnion preissii (Sonder) E. M. Wollaston
 
Amphiroa rigida J. V. Lamouroux
Acrosymphyton purpuriferum (J. Agardh) G. Sjöstedt
Acrothamnion preissii (Sonder) E. M. Wollaston
Amphiroa rigida J. V. Lamouroux
Amphiroa rubra (Philippi) Woelkering
 
Apoglossum ruscifolium (Turner) J. Agardh
 
Asparagopsis armata Harvey
 
Bonnemaisonia asparagoides (Woodward) C. Agardh
 
Bornetia secundiflora (J. Agardh) Thuret
 
Botryocladia botryoides (Wulfen) Feldmann
 
Callithamnion corymbosum (J. E. Smith) Lyngbye
 
Callithamnion granulatum (Ducluzeau) C. Agardh
 
Caulacanthus ustulatus (Turner) Kützing
 
Ceramium ciliatum (J. Ellis) Ducluzeau v. ciliatum
 
Ceramium rubrum auctorum
 
Champia parvula (C. Agardh) Harvey
 
Chondracanthus acicularis (Roth) Fredericq
 
Chondria boryana (J. Agardh) De Toni
 
Chondria capillaris (Hudson ) M. J. Wynne
 
Chondria dasyphylla (Woodward) C. Agardh
 
Chondrophycus papillosus (C. Agardh) Garbary et Harper
 
Chrysymenia ventricosa (J. V. Lamouroux) J. Agardh
 
Contarinia squamariae (Meneghini) Denizot
 
Corallina elongata J. Ellis et Solander
 
Cryptonemia lomation (A. Bertloni) J. Agardh
 
Digenea simplex (Wulfen) C. Agardh
 
Fauchaea repens (C. Agardh) Montagne et Bory
 
Gastroclonium clavatum (Roth) Ardissone
 
Gelidium pusillum (Stackhouse) Le Jolis
 
Gelidium spinosum (S. G. Melin) P. C. Silva
 
Grateloupia dichotoma J. Agardh
 
Grateloupia filicina (J. V. Lamouroux) C. Agardh
 
Haliptilon virgatum (Zanardini) Garbary et H. W. Johansen
 
Halopithys incurva (Hudson) Batters
 
Herposiphonia secunda (C. Agardh) Ambronn
 
Herposiphonia tenella (C. Agardh) Ambronn
 
Hildenbrandia rubra (Sommerfelt) Meneghini
 
Hydrolithon farinosum (J. V. Lamouroux) Penrose et Y. M. Chamberlain
 
Hypnea musciformis (Wulfen) J. V. Lamouroux
 
Jania longifurca Zanardini
 
Jania rubens (Linnaeus) J. V. Lamouroux
 
Kallymenia requienii J. Agardh
 
Laurencia obtusa (Hudson) J. V. Lamouroux
 
Liagora distenta (Mertens ex Roth) J. V. Lamouroux
 
Lithophyllum byssoides (Lamarck) Foslie
 
Lithophyllum incrustans Philippi
 
Lithophyllum stictaeforme (Areschough) Hauck
 
Mesophyllum lichenoides (J. Ellis) Me. Lemoine
 
Nemalion helmintoides (Valley) Batters
 
Nithophyllum punctatum Ardissone
 
Osmundaria volubilis (Linnaeus) R. E. Norris
 
Osmundea truncata (Kützing) K. W. Nam et Maggs
 
Osmundea verlaquei G. Furnari
 
Peyssonnelia rosa-marina Boudouresque et Denizot
 
Peyssonnelia rubra (Greville) J. Agardh
 
Peyssonnelia squamaria (S. G. Gmelin) Decaisne
 
Phyllophora crispa (Hudson) P. S. Dixon
 
Plocamium cartilagineum (Linnaeus) P. S. Dixon
 
Polysiphonia elongata (Hudson) Sprengel
 
Pterocladiella capillacea (S. G. Gmelin) Santelices et Hommersand
 
Pterosiphonia pennata (C. Agardh) Sauvageau
 
Rhodymenia pseudopalmata (J. V. Lamouroux) P. C. Silva
 
Rissoella verruculosa (A. Bertoloni) J. Agardh
 
Rytiphlaea tinctoria (Clemente) C. Agardh
 
Schottera nicaeensis (J. V. Lamouroux ex Duby) Guiry et Hollenberg
 
Sebdenia dichotoma Berthold
 
Sphaerococcus coronopifolius Stackhouse
 
Spyridia filamentosa (Wulfen) Harvey
 
Tricleocarpa fragilis (Linnaeus) Huisman & R.A. Townsend
 
Womersleyella setacea (Hollenberg) R.E. Norris
 
Wrangelia penicillata (C. Agardh) C. Agardh
            
        Apoglossum ruscifolium (Turner) J. Agardh
Asparagopsis armata Harvey
Bonnemaisonia asparagoides (Woodward) C. Agardh
Bornetia secundiflora (J. Agardh) Thuret
Botryocladia botryoides (Wulfen) Feldmann
Callithamnion corymbosum (J. E. Smith) Lyngbye
Callithamnion granulatum (Ducluzeau) C. Agardh
Caulacanthus ustulatus (Turner) Kützing
Ceramium ciliatum (J. Ellis) Ducluzeau v. ciliatum
Ceramium rubrum auctorum
Champia parvula (C. Agardh) Harvey
Chondracanthus acicularis (Roth) Fredericq
Chondria boryana (J. Agardh) De Toni
Chondria capillaris (Hudson ) M. J. Wynne
Chondria dasyphylla (Woodward) C. Agardh
Chondrophycus papillosus (C. Agardh) Garbary et Harper
Chrysymenia ventricosa (J. V. Lamouroux) J. Agardh
Contarinia squamariae (Meneghini) Denizot
Corallina elongata J. Ellis et Solander
Cryptonemia lomation (A. Bertloni) J. Agardh
Digenea simplex (Wulfen) C. Agardh
Fauchaea repens (C. Agardh) Montagne et Bory
Gastroclonium clavatum (Roth) Ardissone
Gelidium pusillum (Stackhouse) Le Jolis
Gelidium spinosum (S. G. Melin) P. C. Silva
Grateloupia dichotoma J. Agardh
Grateloupia filicina (J. V. Lamouroux) C. Agardh
Haliptilon virgatum (Zanardini) Garbary et H. W. Johansen
Halopithys incurva (Hudson) Batters
Herposiphonia secunda (C. Agardh) Ambronn
Herposiphonia tenella (C. Agardh) Ambronn
Hildenbrandia rubra (Sommerfelt) Meneghini
Hydrolithon farinosum (J. V. Lamouroux) Penrose et Y. M. Chamberlain
Hypnea musciformis (Wulfen) J. V. Lamouroux
Jania longifurca Zanardini
Jania rubens (Linnaeus) J. V. Lamouroux
Kallymenia requienii J. Agardh
Laurencia obtusa (Hudson) J. V. Lamouroux
Liagora distenta (Mertens ex Roth) J. V. Lamouroux
Lithophyllum byssoides (Lamarck) Foslie
Lithophyllum incrustans Philippi
Lithophyllum stictaeforme (Areschough) Hauck
Mesophyllum lichenoides (J. Ellis) Me. Lemoine
Nemalion helmintoides (Valley) Batters
Nithophyllum punctatum Ardissone
Osmundaria volubilis (Linnaeus) R. E. Norris
Osmundea truncata (Kützing) K. W. Nam et Maggs
Osmundea verlaquei G. Furnari
Peyssonnelia rosa-marina Boudouresque et Denizot
Peyssonnelia rubra (Greville) J. Agardh
Peyssonnelia squamaria (S. G. Gmelin) Decaisne
Phyllophora crispa (Hudson) P. S. Dixon
Plocamium cartilagineum (Linnaeus) P. S. Dixon
Polysiphonia elongata (Hudson) Sprengel
Pterocladiella capillacea (S. G. Gmelin) Santelices et Hommersand
Pterosiphonia pennata (C. Agardh) Sauvageau
Rhodymenia pseudopalmata (J. V. Lamouroux) P. C. Silva
Rissoella verruculosa (A. Bertoloni) J. Agardh
Rytiphlaea tinctoria (Clemente) C. Agardh
Schottera nicaeensis (J. V. Lamouroux ex Duby) Guiry et Hollenberg
Sebdenia dichotoma Berthold
Sphaerococcus coronopifolius Stackhouse
Spyridia filamentosa (Wulfen) Harvey
Tricleocarpa fragilis (Linnaeus) Huisman & R.A. Townsend
Womersleyella setacea (Hollenberg) R.E. Norris
Wrangelia penicillata (C. Agardh) C. Agardh