Phylum:
Rhodophyta
Class:
Bangiophyceae
Order:
Bangiales
Family:
Bangiaceae
Black Sea-hair
Bangia sp

Black Seaweed
Porphyra abbottiae
(V.Krishnamurthy) S.C.Lindstrom

Red Cellophane
Porphyra cuneiformis
(Kjellman) Foslie

Rockweed Laver
Porphyra fucicola
(V.Krishnamurthy) S.C.Lindstrom

Kelp Laver
Porphyra gardneri
(G.M.Smith & Hollenberg) S.C.Lindstrom

Porphyra kanakaensis

Porphyra kurogii

Porphyra lanceolata

Norris' Laver
Porphyra norrisii
(V.Krishnamurthy) S.C.Lindstrom

Porphyra occidentalis

Dark Laver
Porphyra papenfussii and P. tasa
(V.Krishnamurthy) S.C.Lindstrom; (Yendo) S.C.Lindstrom

Purple Laver
Porphyra perferata
(J.Agardh) S.C.Lindstrom

Olive Green Winter Laver
Porphyra pseudolanceolata
(V.Krishnamurthy) S.C.Lindstrom

Porphyra purpurea

Long Laver
Porphyra sp.
S.C.Lindstrom

Porphyra torta

Class:
Compsopogonophyceae
Order:
Erythropeltidales
Family:
Erythrotrichiaceae
Erythrocladia irregularis

Erythrocladia polystromatica

Erythrotrichia carnea

Porphyropsis coccinea

Sahlingia subintegra

Seagrass Laver
Smithora naiadum
(C.L.Anderson) Hollenberg

Class:
Florideophyceae
Order:
Acrochaetiales
Family:
Acrochaetiaceae
Acrochaetium arcuatum

Acrochaetium kurogii

Acrochaetium microscopicum

Acrochaetium porphyrae

Red Sea Moss
Rhodochorton purpureum
(Lightfoot) Rosenvinge

Order:
Ahnfeltiales
Family:
Ahnfeltiaceae
Bushy Ahnfelt's Seaweed
Ahnfeltia fastigiata
(Endlicher) Makienko

Ahnfeltia plicata

Order:
Bonnemaisoniales
Family:
Bonnemaisoniaceae
Bonnemaisonia californica

Pleuroblepharidella japonica

Order:
Ceramiales
Family:
Ceramiaceae
Antithamnion defectum

Hooked Skein
Antithamnionella pacifica
(Harvey) E.M.Wollaston

Antithamnionella shimamurana

Antithamnionella spirographidis

Boreothamnion villosum

Callithamnion acutum

Callithamnion biseriatum

Beauty Bush
Callithamnion pikeanum
Harvey

Callithamnion sp.

Ceramium cimbricum

Ceramium gardneri

Ceramium kondoi

Staghorn Felt
Ceramium pacificum
(Collins) M.J.Wynne & C.W.Schneider

Griffithsia pacifica

Hollenbergia subulata

Coarse Sea Lace
Microcladia borealis
(Ruprecht) Barros-Barreto & Maggs

Sea Fern
Neoptilota asplenioides
(Esper) C.Agardh

Neoptilota hypnoides

Nienburgia prolifera

Pleonosporium kobayashii

Pleonosporium pedicellatum

Pleonosporium vancouverianum

Pterothamnion pectinatum

Pterothamnion villosum

Northern Sea Fern
Ptilota serrata
Kützing

Northern Sea Fern
Ptilota sp.
Kützing

Ptilota tenuis

Ptilothamnionopsis lejolisea

Scagel's Skein
Scagelia occidentale
(Kylin) E.M.Wollaston

Scagelia pylaisaei

Tiffaniella snyderae

Tokidaea chilkatensis

Tokidaea serrata

Family:
Dasyaceae
Heterosiphonia densiuscula

Rhodoptilum plumosum

Family:
Delesseriaceae
Asterocolax hypophyllophila

Congregatocarpus kurilensis

Cryptopleura corallinara

Cryptopleura lobulifera

Winged Rib
Delesseria decipiens
(J.Agardh) M.J.Wynne & G.W.Saunders

Haraldiophyllum mirabile

Haraldiophyllum nottii

Hideophyllum yezoense

Hymenena flabelligera

Hymenena multiloba

Sea Fern Fringe
Hymenena ruthenica
(Postels & Ruprecht) Zinova

Laingia aleutica

Loranthophycus

Membranoptera dimorpha

Membranoptera multiramosa

Membranoptera platyphylla

Membranoptera serrata

Bering Membrane Wing
Membranoptera spinulosa
(Ruprecht) Kuntze

Membranoptera tenuis

Membranoptera weeksiae

Mikamiella dentata

Mikami's Sea Oak
Mikamiella ruprechtiana
(Zinova) M.J.Wynne

Neohypophyllum middendorfii

Nitophyllum cincinnatum

Nitophyllum hollenbergii

Pantoneura juergensii

Phycodrys

Phycodrys amchitkensis

Common Sea Oak
Phycodrys fimbriata
(Kuntze) Kylin

Phycodrys setchellii

Crisscross Network
Polyneura latissima
(Harvey) Kylin

Northern Sea Oak
Tokidadendron bullatum
(N.L.Gardner) M.J.Wynne

Yendonia crassifolia

Zinovaea acanthocarpa

Family:
Rhodomelaceae
Amplisiphonia pacifica

Beringiella labiosa

Harveyella mirabilis

Herposiphonia plumula

Janczewskia gardneri

Leachiella pacifica

Graceful Black Pine
Neorhodomela aculeata
(Perestenko) Masuda

Black Pine
Neorhodomela larix
(Turner) Masuda

Oregon Pine
Neorhodomela oregona
(Doty) Masuda

Odonthalia aleutica

Odonthalia dentata

Sea Brush
Odonthalia floccosa
(Esper) Falkenberg

Rockweed Brush
Odonthalia floccosa f. comosa
(Setchell & N.L.Gardner) G.W.Saunders & C.W.Schneider

Odonthalia kamtschatica

Odonthalia lyallii

Odonthalia setacea

Odonthalia uniseriata

Odonthalia washingtoniensis

Sea Laurel
Osmundea spectabilis
(Postels & Ruprecht) K.W.Nam

Polysiphonia hendryi var. deliquescens

Polysiphonia hendryi var. gardneri

Polysiphonia hendryi var. hendryi

Polysiphonia hendryi var. luxurians

Polysiphonia pacifica var. determinata

Polysiphonia pacifica var. disticha

Polysiphonia paniculata

Polysiphonia scopulorum var. villum

Polysiphonia senticulosa

Polysiphonia stricta

Polysiphonia tongatensis

Pterochondria woodii

Black Tassel
Pterosiphonia bipinnata
(Postels & Ruprecht) M.J.Wynne

Pterosiphonia dendroidea

Pterosiphonia gracilis

Pterosiphonia hamata

Rhodomela sibirica

Rhodomela tenuissima

Schizochlaenion rhodotrichum

Tayloriella abyssalis

Tayloriella divaricata

Family:
Sarcomeniaceae
Platysiphonia clevelandii

Order:
Colaconematales
Family:
Colaconemataceae
Colaconema amphiroae

Colaconema daviesii

Colaconema pacificum

Colaconema plumosum var. variabile

Colaconema rhizoideum

Order:
Corallinales
Family:
Corallinaceae
Arthrocardia silvae

Bossiella californica subsp. schmittii

Bossiella chiloensis

Bossiella orbigniana subsp. dichotoma

Bossiella orbigniana subsp. orbigniana

Bossiella plumosa

Calliarthron tuberculosum

Clathromorphum circumscriptum

Clathromorphum compactum

Clathromorphum loculosum

Coralline Disc
Clathromorphum reclinatum
(Foslie) W.H.Adey & H.W.Johansen

Corallina arbuscula

Enigmatic Coral Seaweed
Corallina frondescens
(Postels & Ruprecht) E.Y.Dawson

Common Coral Seaweed
Corallina officinalis var. chilensis
E.Y.Dawson

Corallina pilulifera

Graceful Coral Seaweed
Corallina vancouveriensis
Yendo

Rock Crusts
Coralline crust

Leptophytum adeyi

Leptophytum foecundum

Leptophytum laeve

Leptophytum tenue

Lithophyllum dispar

Lithophyllum impressum

Lithothamnion californicum

Lithothamnion phymatodeum

Rhodoliths
Lithothamnion sp.
(Kjellman) P.W.Gabrielson, Maneveldt, Hughey & V.Peńa

Mesophyllum conchatum

Mesophyllum lamellatum

Mesophyllum vancouveriense

Chalky Coral Seaweed
Pachyarthron cretaceum
Linnaeus

Phymatolithon calcareum

Pneophyllum zostericolum

Pseudolithophyllum muricatum

Pseudolithophyllum neofarlowii

Pseudolithophyllum whidbeyense

Macmillan's Coral Seaweed
Serraticardia macmillanii
(Yendo) K.R.Hind & G.W.Saunders

Spongites yendoi

Family:
Hapalidiaceae
Kvaleya epilaeve

Order:
Gelidiales
Family:
Gelidiaceae
Gelidium purpurascens

Pterocladiella caloglossoides

Order:
Gigartinales
Family:
Cruoriaceae
Cruoria pacifica

Family:
Cystocloniaceae
Fimbrifolium dichotomum

Fimbrifolium spinulosum

Rhodophyllis aleutica

Family:
Dumontiaceae
Cup and Saucer
Constantinea rosa-marina
(S.G.Gmelin) Postels & Ruprecht

Constantinea simplex

Cracked Saucer
Constantinea subulifera
Setchell

Bleached Brunette
Cryptosiphonia woodii
(J.Agardh) J.Agardh

Dilsea californica

Dilsea socialis

Dudresnaya

Purple Pencils
Dumontia alaskana
V.Tai, S.C.Lindstrom & G.W.Saunders

Dumontia simplex

Farlow's Seaweed
Farlowia mollis
(Harvey & Bailey) Farlow & Setchell

Northern Red Blade
Neodilsea borealis
(I.A.Abbott) S.C.Lindstrom

Neodilsea natashae

Orculifilum denticulatum

Pikea californica

Thuretellopsis peggiana

Weeksia coccinea

Family:
Endocladiaceae
Black Sea Moss
Endocladia muricata
(Endlicher) J.Agardh

Jelly Moss
Gloiopeltis furcata
(Postels & Ruprecht) J.Agardh

Family:
Furcellariaceae
Red Opuntia
Opuntiella californica
(Farlow) Kylin

Opuntiella ornata

Red Sea-cabbage
Turnerella mertensiana
(Postels & Ruprecht) F.Schmitz

Family:
Gigartinaceae
Turkish Towel
Chondracanthus exasperatus
(Harvey & Bailey) Hughey

Iridophycus parvulum

Mazzaella linearis

Mazzaella oregona

Iridescent Horn-of-Plenty
Mazzaella parksii
(Setchell & N.L.Gardner) Hughey, P.C.Silva & Hommersand

Northern Mazz Weed
Mazzaella phyllocarpa
(Postels & Ruprecht) Perestenko

Mazzaella sanguinea

Mazzaella sp

Splendid Iridescent Seaweed
Mazzaella splendens
(Setchell & N.L. Gardner) Fredericq

Family:
Gloiosiphoniaceae
Gloiosiphonia capillaris

Family:
Haemeschariaceae
Haemescharia polygyna

Family:
Kallymeniaceae
Beringia castanea

Callocolax acicularis

Callophyllis beringensis

Callophyllis crenulata

Callophyllis edentata

Callophyllis flabellulata

Callophyllis heanophylla

Callophyllis papulosa

Callophyllis platyna

Callophyllis radula

Callophyllis rhynchocarpa

Red Sea Fan
Callophyllis spp.

Cirrulicarpus ruprechtiana

Erythrophyllum delesserioides

Delicate Northern Sea Fan
Euthora cristata
(C.Agardh) J.Agardh

Hommersand's Seaweed
Hommersandia maximicarpa
G.I.Hansen & S.C.Lindstrom

Kallymeniopsis lacera

Kallymeniopsis oblongifructa

Russian Red Blade
Kallymeniopsis spp.

Kallymeniopsis verrucosa

Pugetia firma

Pugetia fragilissima

Velatocarpus pustulosus

Family:
Phyllophoraceae
Ahnfeltiopsis gigartinoides

Ahnfeltiopsis leptophylla

Ceratocolax hartzii

Lukinia dissecta

Narrow Turkish Washcloth
Mastocarpus jardinii
S.C.Lindstrom, Hughey & Martone

Mastocarpus pacificus

Turkish Washcloth
Mastocarpus papillatus
S.C.Lindstrom, Hughey & Martone

Tar Spot Alga
Petrocelis phase

Phyllophora truncata

Stenogramma

Stenogramma interrupta

Family:
Polyidaceae
Polyides rotundus

Family:
Solieriaceae
Sarcodiotheca furcata

Sarcodiotheca gaudichaudii

Order:
Gracilariales
Family:
Gracilariaceae
Gracilaria pacifica

Order:
Halymeniales
Family:
Halymeniaceae
Cryptonemia obovata

Grateloupia postelsii

Halymenia gardneri

Neoabbottiella araneosa

Norrissia

Bleachweed
Prionitis sternbergii
(C.Agardh) J.Agardh

Order:
Hildenbrandiales
Family:
Hildenbrandiaceae
Hildenbrandia occidentalis

Order:
Nemaliales
Family:
Liagoraceae
Rubber Threads
Nemalion elminthoides

Family:
Scinaiaceae
Scinaia confusa

Order:
Nemastomatales
Family:
Schizymeniaceae
Slippery Red Blade
Schizymenia pacifica
(Kylin) Kylin

Schizymenia

Order:
Palmariales
Family:
Meiodiscaceae
Meiodiscus concrescens

Meiodiscus spetsbergensis

Rubrointrusa membranacea

Family:
Palmariaceae
Devaleraea arctica

Devaleraea ramentacea

Halosaccion glandiforme

Halosaccion minjaii

Neohalosacciocolax aleutica

Frilly Red Ribbon
Palmaria callophylloides
(M.W.Hawkes & Scagel) G.W.Saunders, C.J.Jackson & Salomaki

Stiff Red Ribbon
Palmaria hecatensis
M.W.Hawkes

Red Ribbon
Palmaria mollis
(Setchell & N.L.Gardner) G.W.Saunders, C.J.Jackson & Salomaki

Palmaria sp

Family:
Rhodophysemataceae
Rhodophysema georgii

Rhodophysema nagaii

Order:
Peyssonneliales
Family:
Peyssonneliaceae
Peyssonnelia pacifica

Order:
Plocamiales
Family:
Plocamiaceae
Plocamiocolax pulvinata

Plocamium pacificum

Plocamium violaceum

Order:
Rhodymeniales
Family:
Champiaceae
Neogastroclonium subarticulatum

Family:
Faucheaceae
Gloiocladia guiryi

Gloiocladia laciniata

Family:
Fryeellaceae
Fryeella gardneri

Family:
Rhodymeniaceae
Botryocladia pseudodichotoma

Rhodymenia californica

Red Eyelet Silk
Sparlingia pertusa
(Postels & Ruprecht) G.W.Saunders, I.M.Strachan & Kraft

Class:
Stylonematophyceae
Order:
Stylonematales
Family:
Stylonemataceae
Goniotrichopsis sublittoralis

Stylonema alsidii