This page provides current names for California seaweed species, including those whose names have changed since the publication of Marine Algae of California (Abbott & Hollenberg 1976). Both former names (1976) and current names are provided. This list is organized by group (green, brown, red algae); within each group are genera and species in alphabetical order. California seaweeds discovered or described since 1976 are indicated by an asterisk.
This is a draft of an on-going project. If you have questions or comments, please contact Kathy Ann Miller, University Herbarium, University of California at Berkeley. kathyannmiller@berkeley.edu
Blidingia minima (Nägeli ex Kützing) Kylin
Blidingia minima var. vexata (Setchell & N.L. Gardner) J.N. Norris
Former name: Blidingia minima var. subsalsa (Kjellman) R.F. Scagel
Current name: Blidingia subsalsa (Kjellman) R.F. Scagel et al.
Bolbocoleon piliferum Pringsheim
Bryopsis corticulans Setchell
Bryopsis hypnoides Lamouroux
Former name: Bryopsis pennatula J. Agardh
Current name: Bryopsis pennata var. minor J. Agardh
*Bryopsis spp.
*Capsosiphon fulvescens (C. Agardh) Setchell & N.L. Gardner
*Caulerpa taxifolia (Vahl) C. Agardh
Chaetomorpha aerea (Dillwyn) Kützing
Chaetomorpha antennina (Bory) Kützing
Chaetomorpha californica Collins
Chaetomorpha linum (O.F. Müller) Kützing
Chaetomorpha spiralis Okamura
"Chlorochytrium inclusum" Kjellman
Former name: Chlorochytrium porphyrae Setchell & N.L. Gardner
Current name: Halochlorococcum porphyrae (Setchell & N.L. Gardner) J.A. West, C.M. Smith & McBride
Former name: Cladophora albida (Hudson) Kützing
Current name: Cladophora albida (Nees) Kützing
*Cladophora amphibia Collins
Cladophora columbiana Collins
Cladophora elmorei E.Y. Dawson
Cladophora graminea Collins
Cladophora microcladioides Collins
Cladophora sakaii I.A. Abbott
Cladophora sericea (Hudson) Kützing
Cladophora stimpsonii Harvey
Former name: Cladophoropsis fasciculatus (Kjellman) Wille
Current name: Cladophoropsis fasciculata (Kjellman) Wille
Codiolum gregarium Braun
Codium cuneatum Setchell & N.L. Gardner
*Codium dawsonii P.C. Silva (ined.)
Former name: Codium fragile (Suringar) Hariot
Current name: Codium fragile subsp. californicum (J. Agardh) Maggs & J. Kelly
*Former name: Codium fragile subsp. tomentosoides (van Goor) P.C. Silva
Current name: Codium fragile subsp. fragile (Suringar) Hariot
Codium hubbsii E.Y. Dawson
Codium johnstonei P.C. Silva
Codium setchellii N.L. Gardner
Collinsiella tuberculata Setchell & N.L. Gardner
Derbesia marina (Lyngbye) Solier
Derbesia prolifica W.R. Taylor
Endophyton ramosum N.L. Gardner
Former name: Enteromorpha clathrata (Roth) Greville
Current name: Ulva clathrata (Roth) C. Agardh
Former name: Enteromorpha clathrata var. crinita (Nees) Hauck
Current name: Ulva clathrata (Roth) C. Agardh
Former name: Enteromorpha compressa (Linnaeus) Greville
Current name: Ulva compressa Linnaeus
Former name: Enteromorpha flexuosa (Roth) J. Agardh
Current name: Ulva flexuosa Wulfen
Former name: Enteromorpha intestinalis (Linnaeus) Link
Current name: Ulva intestinalis Linnaeus
Former name: Enteromorpha linza (Linnaeus) J. Agardh
Current name: Ulva linza Linnaeus
Former name: Enteromorpha prolifera (O.F. Müller) J. Agardh
Current name: Ulva prolifera O.F. Müller
Former name: Entocladia cingens Setchell & N.L. Gardner
Current name: Acrochaete cingens (Setchell & N.L. Gardner) O'Kelly
Former name: Entocladia codicola Setchell & N.L. Gardner
Current name: Acrochaete codicola (Setchell & N.L.Gardner) O'Kelly
Former name: Entocladia viridis Reinke
Current name: Acrochaete viridis (Reinke) Nielsen
Gomontia polyrhiza (Lagerheim) Bornet & Flahault
Former name: Halicystis ovalis (Lyngbye) J.E. Areschoug
Current name: Derbesia marina (Lyngbye) Solier
Former name: Kornmannia zostericola (Tilden) Bliding
Current name: Kornmannia leptoderma (Kjellman) Bliding
Lola lubrica (Setchell & N.L. Gardner) A. Hamel & G. Hamel
Monostroma grevillei (Thuret) Wittrock
Former name: Monostroma oxyspermum (Kützing) M.S. Doty
Current name: Gayralia oxysperma (Kützing) R.F. Scagel et al.
Former name: Monostroma zostericola J.E. Tilden
Current name: Kornmannia leptoderma (Kjellman) C.V. Bliding
Former name: Percursaria dawsonii G.J. Hollenberg & I.A. Abbott
Current name: Blidingia dawsonii (G.J. Hollenberg & I.A. Abbott) S.C. Lindstrom, L.A. Hanic & L. Golden
Percursaria percursa (C. Agardh) Rosenvinge
Pilinella californica G.J. Hollenberg
Former name: Prasinocladus ascus Proskauer
Current name: Tetraselmis ascus (Proskauer) R.E. Norris, Hori & Chihara
Former name: Prasinocladus marinus (Cienkowski) Waern
Current name: Tetraselmis marina (Cienkowski) R.E. Norris, Hori & Chihara
Prasiola meridionalis Setchell & N.L. Gardner
Former name: Pseudodictyon geniculatum N.L. Gardner
Current name: Acrochaete geniculata (N.L. Gardner) C.J. O'Kelly
Former name: Pseudopringsheimia apiculata Setchell & N.L. Gardner
Current name: Acrochaete apiculata (Setchell & N.L. Gardner) C.J. O'Kelly
Pseudulvella applanata Setchell & N.L. Gardner
Former name: Rhizoclonium implexum (Dillwyn) Kützing
Current name: Rhizoclonium riparium var. implexum (Dillwyn) Rosenvinge
Rhizoclonium riparium (Roth) Harvey
*Rhizoclonium tortuosum (Dillwyn) Kützing
*Rosenvingiella constricta (Setchell & N.L. Gardner) P.C. Silva
*Rosenvingiella radicans (Kützing ) F. Rindi, L. McIvor & M. Guiry
Former name: Spongomorpha coalita (Ruprecht) Collins
Current name: Acrosiphonia coalita (Ruprecht) R.F. Scagel, D.J. Garbary, Golden & Hawkes
Spongomorpha mertensii (Ruprecht) Setchell & N.L. Gardner
Former name: Spongomorpha saxatilis (Ruprecht) F.S. Collins
Current name: Acrosiphonia saxatilis (Ruprecht) Vinogradova
Ulothrix flacca (Dillwyn) Thuret
Ulothrix implexa (Kützing) Kützing
Former name: Ulothrix laetevirens (Hooker) F.S. Collins
Current name: Ulothrix flacca (Dillwyn) Thuret
Former name: Ulothrix pseudoflacca Wille
Current name: Ulothrix flacca (Dillwyn) Thuret
Former name: Ulva angusta Setchell & N.L. Gardner
Current name: Ulva californica Wille
Ulva californica Wille
Former name: Ulva costata (M.A. Howe) G.J. Hollenberg sensu Abbott & Hollenberg 1976
Current name: Ulva taeniata (Setchell) Setchell & N.L. Gardner
Former name: Ulva dactylifera Setchell & N.L. Gardner
Current name: Ulva taeniata (Setchell) Setchell & N.L. Gardner
*Ulva expansa (Setchell) Setchell & N.L. Gardner
Ulva lactuca Linnaeus
Former name: Ulva lobata (Kützing) Setchell & N.L. Gardner
Current name: Ulva lobata (Kützing) Harvey
Ulva stenophylla Setchell & N.L. Gardner
*Ulva pertusa
*Ulva pseudocurvata Koeman & van den Hoek
*Ulva tanneri H. Hayden & J.R. Waaland
*Ulvaria fusca (Postels & Ruprecht) Vinogradova
Ulvella applanata (Setchell & N.L. Gardner) G.R. South & I. Tittley
Ulvella prostrata N.L. Gardner
Ulvella setchellii Dangeard
Urospora doliifera (Setchell & N.L. Gardner) M.S. Doty
Urospora penicilliformis (Roth) J.E. Areschoug
Urospora wormskioldii (J.W. Hornemann) Rosenvinge
Acinetospora nicholsoniae G.J. Hollenberg
Agarum fimbriatum Harvey
Alaria marginata Postels & Ruprecht
*Alaria nana Schrader
Analipus japonicus (Harvey) M.J. Wynne
Coilodesme californica (Ruprecht) Kjellman
Coilodesme corrugata Setchell & N.L. Gardner
Coilodesme plana G.J. Hollenberg & I.A. Abbott
Coilodesme rigida Setchell & N.L. Gardner
Colpomenia bullosa (DeA. Saunders) Yamada
*Colpomenia claytonii S.M. Boo, K.M. Lee, G.Y. Cho & W. Nelson
*Colpomenia expansa (DeA. Saunders) Y.P. Lee
Colpomenia peregrina (Sauvageau) G. Hamel
Colpomenia tuberculata DeA. Saunders
Former name: Compsonema fructosum Setchell & N.L. Gardner
Current name: Compsonema fructuosum Setchell & N.L. Gardner
Compsonema intricatum Setchell & N.L. Gardner
Compsonema serpens Setchell & N.L. Gardner
*Compsonema sporangiiferum Setchell & N.L. Gardner
Costaria costata (C. Agardh) DeA. Saunders
*Cutleria cylindrica Okamura
Former name: Cylindrocarpus rugosus Okamura
Current name: Petrospongium rugosum (Okamura) Setchell & N.L. Gardner
Former name: Cystoseira neglecta Setchell & N.L. Gardner
Current name: Stephanocystis neglecta (Setchell & N.L. Gardner) Draisma, Ballesteros, Rousseau, & Thibaut
Former name: Cystoseira osmundacea (Turner) C. Agardh
Current name: Stephanocystis osmundacea (Turner) Trevisan
Former name: Cystoseira setchellii N.L. Gardner
Current name: Stephanocystis setchellii (N.L. Gardner) Draisma, Ballesteros, Rousseau, & Thibaut
Former name: Desmarestia latifrons Kützing
Current name: Desmarestia latifrons (Ruprecht) Kützing
Former name: Desmarestia ligulata (Lightfoot) Lamouroux sensu Abbott & Hollenberg 1976
Current name: Desmarestia herbacea (Turner) Lamouroux
Desmarestia kurilensis Yamada
Desmarestia latifrons Kützing
Former name: Desmarestia ligulata (Lightfoot) Lamouroux
Current name: Desmarestia munda Setchell & N.L. Gardner
Former name: Desmarestia ligulata var. firma (C. Agardh) J. Agardh sensu Abbott & Hollenberg 1976
Current name: Desmarestia tabacoides Okamura
Desmarestia viridis (O.F. Müller) Lamouroux
Former name: Dictyoneuropsis reticulata (DeA. Saunders) G.M. Smith
Current name: Dictyoneurum reticulatum (DeA. Saunders) P.C. Silva in Pedroche et al.
Dictyoneurum californicum Ruprecht
*Dictyopteris sp. nov.
Dictyopteris undulata Holmes
Former name: Dictyopteris johnstonei N.L. Gardner
Current name: Dictyopteris undulata Holmes
Dictyota binghamiae J. Agardh
Dictyota flabellata (F.S. Collins) Setchell & N.L. Gardner
Diplura simulans G.J. Hollenberg
Former name: Ectocarpus acutus Setchell & N.L. Gardner
Current name: Ectocarpus fasciculatus Harvey
Former name: Ectocarpus acutus var. haplogloiae M.S. Doty
Current name: Ectocarpus fasciculatus Harvey
Ectocarpus chantransioides Setchell & N.L. Gardner
Ectocarpus corticulatus DeA. Saunders
Former name: Ectocarpus fructosus Setchell & N.L. Gardner
Current name: Ectocarpus fructuosus Setchell & N.L. Gardner
Ectocarpus gonodioides Setchell & N.L. Gardner
Ectocarpus isopodicola E.Y. Dawson
Ectocarpus isopodicola E.Y. Dawson
Former name: Ectocarpus parvus (DeA. Saunders) G.J. Hollenberg
Current name: Ectocarpus commensalis Setchell & N.L. Gardner
Ectocarpus siliculosus (Dillwyn) Lyngbye
Ectocarpus simulans Setchell & N.L. Gardner
Ectocarpus taoniae Setchell & N.L. Gardner
Former name: Egregia laevigata Setchell
Current name: Egregia menziesii (Turner) J.E. Areschoug
Former name: Egregia laevigata subsp. borealis (Setchell) P.C. Silva
Current name: Egregia menziesii (Turner) J.E. Areschoug
Egregia menziesii (Turner) J.E. Areschoug
Former name: Egregia menziesii subsp. insularis P.C. Silva
Current name: Egregia menziesii (Turner) J.E. Areschoug
Eisenia arborea J.E. Areschoug
Elachista fucicola (Velley) J.E. Areschoug
*Elachista nigra Takamatsu
Endoplura aurea G.J. Hollenberg
Feldmannia acuminata (DeA. Saunders) G.J. Hollenberg & I.A. Abbott
Feldmannia chitonicola (DeA. Saunders) Levring
Former name: Feldmannia cylindrica DeA. Saunders) G.J. Hollenberg & I.A. Abbott
Current name: Feldmannia paradoxa var. cylindrica (DeA. Saunders) H.S. Kim & I.K. Lee
Former name: Feldmannia globifera (Kützing) G. Hamel
Current name: Feldmannia paradoxa (Montagne) G. Hamel
Feldmannia hemispherica (DeA. Saunders) G.J. Hollenberg
Feldmannia irregularis (Kützing ) G. Hamel
Feldmannia rhizoidea G.J. Hollenberg & I.A. Abbott
Former name: Fucus gardneri P.C. Silva
Current name: Fucus distichus Linnaeus
*Fucus spiralis Linnaeus
Former name: Giffordia granulosa (J.E. Smith) G. Hamel
Current name: Hincksia granulosa (J.E. Smith) P.C. Silva
Former name: Giffordia hincksiae var. californica G.J. Hollenberg & I.A. Abbott
Current name: Hincksia hincksiae var. californica (G.J. Hollenberg & I.A. Abbott) P.C. Silva
Former name: Giffordia mitchelliae (Harvey) G. Hamel
Current name: Hincksia mitchelliae (Harvey) P.C. Silva
Former name: Giffordia sandriana (Zanardini) G. Hamel
Current name: Hincksia sandriana (Zanardini) P.C. Silva
Former name: Giffordia saundersii (Setchell & N.L. Gardner) G.J. Hollenberg & I.A. Abbott
Current name: Hincksia saundersii (Setchell & N.L. Gardner) P.C. Silva
Former name: Halidrys dioica N.L. Gardner
Current name: Stephanocystis dioica (Gardner) S. Draisma, E. Ballesteros, F. Rousseau, & T. Thibaut
Halorhipis winstonii (Anderson) DeA. Saunders
Haplogloia andersonii (Farlow) Levring
Hapalospongidion gelatinosum DeA. Saunders
Hapterophycus canaliculatus Setchell & N.L. Gardner
Hecatonema primarium (Setchell & N.L. Gardner) S. Loiseaux
Hecatonema streblonematoides (Setchell & N.L. Gardner) S. Loiseaux
Former name: Hedophyllum sessile (C. Agardh) Setchell
Current name: Saccharina sessilis (C. Agardh) Kuntze
Former name: Hesperophycus harveyanus (Decaisne) Setchell & N.L. Gardner
Current name: Hesperophycus californicus P.C. Silva
Hydroclathrus clathratus (C. Agardh) M.A. Howe
Kuckuckia catalinae G.J. Hollenberg
*Laminaria cordata E.Y. Dawson
Former name: Laminaria dentigera Kjellman sensu Abbott & Hollenberg 1976
Current name: Laminaria setchellii P.C. Silva
Laminaria setchellii P.C. Silva
Former name: Laminaria sinclairii (Harvey) Farlow, Anderson & Eaton
Current name: Laminaria sinclairii (Hooker f. & Harvey) Farlow, Anderson & Eaton
Former name: Leathesia difformis (Linnaeus) J.E. Areschoug
Current name: Leathesia marina (Lyngbye) Decaisne
Former name: Leathesia nana Setchell & N.L. Gardner
Current name: Leathesia marina (Lyngbye) Decaisne
Lessoniopsis littoralis (Farlow & Setchell ex J.E. Tilden) Reinke
Former name: Macrocystis integrifolia Bory
Current name: Macrocystis pyrifera (Linnaeus) C. Agardh
Macrocystis pyrifera (Linnaeus) C. Agardh
Melanosiphon intestinalis (DeA. Saunders) M.J. Wynne
Melanosiphon intestinalis f. tenuis (Setchell & N.L. Gardner) M.J. Wynne
Myrionema balticum (Reinke) Foslie
Myrionema corunnae Sauvageau
Myrionema magnusii (Sauvageau) S. Loiseaux
Myrionema strangulans Greville
Former name: Nereocystis luetkeana (Mertens) Postels & Ruprecht
Current name: Nereocystis luetkeana (Mertens f.) Postels & Ruprecht
Former name: Pachydictyon coriaceum (Holmes) Okamura
Current name: Dictyota coriacea (Holmes) Hwang, H.S. Kim & W.J. Lee
Pelagophycus porra (Leman) Setchell
Former name: Pelvetia fastigiata (J. Agardh) De Toni
Current name: Silvetia compressa (J. Agardh) Serrão, T.O. Cho, Boo & Brawley
Former name: Pelvetia fastigiata f. gracilis Setchell & N.L. Gardner
Current name: Silvetia compressa subsp. deliquescens P.C. Silva
Pelvetiopsis arborescens N.L. Gardner
Pelvetiopsis limitata (Setchell) N.L. Gardner
Petalonia fascia (O.F. Müller) Kuntze
Petroderma maculiforme (Wollny) Kuckuck
Phaeostrophion irregulare Setchell & N.L. Gardner
Former name: Pilayella Bory
Current name: Pylaiella Bory
Former name: Pilayella gardneri Collins
Current name: Pylaiella gardneri Collins
Former name: Pilayella littoralis (Linnaeus) Kjellman
Current name: Pylaiella littoralis (Linnaeus) Kjellman
Former name: Pilayella tenella Setchell & N.L. Gardner
Current name: Pylaiella tenella Setchell & N.L. Gardner
Former name: Pleurophycus gardneri Setchell & Saunders
Current name: Pleurophycus gardneri Setchell & Saunders ex Tilden
Punctaria hesperia Setchell & N.L. Gardner
Punctaria occidentalis Setchell & N.L. Gardner
Postelsia palmaeformis Ruprecht
Former name: Pseudolithoderma nigra G.J. Hollenberg
Current name: Pseudolithoderma nigrum G.J. Hollenberg
Pterygophora californica Ruprecht
Punctaria hesperia Setchell & N.L. Gardner
Punctaria occidentalis Setchell & N.L. Gardner
Ralfsia confusa G.J. Hollenberg
Ralfsia fungiformis (Gunnerus) Setchell & N.L. Gardner
Ralfsia hesperia Setchell & N.L. Gardner
Ralfsia integra G.J. Hollenberg
Ralfsia pacifica G.J. Hollenberg
Former name: Rosenvingea floridana (W.R. Taylor) W.R. Taylor
Current name: Rosenvingea antillarum (P.L. Crouan & H.M. Crouan) M.J. Wynne
*Saccharina latissima (Linnaeus) Lane, Mayes, Druehl & G.W. Saunders
*Saccharina groenlandica (Rosenvinge) Lane, Mayes, Druehl & G.W. Saunders
Sargassum agardhianum Farlow
*Sargassum horneri (Turner) C. Agardh
Sargassum muticum (Yendo) Fensholt
Sargassum palmeri Grunow
Scytosiphon dotyi M.J. Wynne
Former name: Scytosiphon lomentaria (Lyngbye) J. Agardh
Current name: Scytosiphon lomentaria (Lyngbye) Link
Former name: Sorocarpus pacifica G.J. Hollenberg
Current name: Botrytella pacifica (G.J. Hollenberg) G.I. Hansen
Soranthera ulvoidea Postels & Ruprecht
Sphacelaria californica (Sauvageau) Setchell & N.L. Gardner
Former name: Sphacelaria didichotoma DeA. Saunders
Current name: Sphacelaria divaricata Montagne
Former name: Sphacelaria furcigera Kützing
Current name: Sphacelaria rigidula Kützing
*Battersia plumigera (Holmes ex Hauck) Draisma, Prud'homme & H. Kawai
Former name: Sphacelaria racemosa Greville
Current name: Battersia racemosa (Greville) Draisma, Prud'homme & H.Kawai
Spongonema tomentosum (Hudson) Kützing
Sporochnus pedunculatus (Hudson) C. Agardh
Former name: Stictyosiphon tortilis (Ruprecht) Reinke
Current name: Stictyosiphon tortilis (Gobi) Reinke
Former name: Streblonema aecidioides De Toni [
Current name: Laminariocolax aecidioides (Rosenvinge) Peters
*Streblonema anomalum Setchell & N.L. Gardner
Streblonema corymbiferum Setchell & N.L. Gardner
Streblonema evagatum Setchell & N.L. Gardner
Former name: Streblonema investiens (F.S. Collins) Setchell & N.L. Gardner
Current name: Streblonema collinsii E. Taskin, M.J Wynne & M. Ãñztürk
Streblonema myrionematoides Setchell & N.L. Gardner
Streblonema pacificum DeA. Saunders
Streblonema penetrale Setchell & N.L. Gardner
Streblonema porphyrae Setchell & N.L. Gardner
Streblonema scabiosum Setchell & N.L. Gardner
Streblonema transfixum Setchell & N.L. Gardner
Syringoderma abyssicola (Setchell & N.L. Gardner) Levring
*Syringoderma phinneyi Henry
Former name: Taonia lennebackeriae J. Agardh
Current name: Taonia lennebackerae J. Agardh
Tinocladia crassa (Suringar) Kylin
Zonaria farlowii Setchell & N.L. Gardner
Former name: Acrochaetium amphiroae (K.M. Drew) G.F. Papenfuss
Current name: Colaconema amphiroae (K.M. Drew) P.W. Gabrielson
Acrochaetium angustum (K.M. Drew) G.F. Papenfuss
Acrochaetium arcuatum (K.M. Drew) Tseng
Former name: Acrochaetium barbadense (Vickers) Børgesen sensu Abbott & Hollenberg 1976
Current name: Colaconema macounii (F.S. Collins) P.W. Gabrielson
*Acrochaetium catenulatum M.A. Howe
Former name: Acrochaetium coccineum (K.M. Drew) G.F. Papenfuss
Current name: Colaconema coccineum (K.M. Drew) P.W. Gabrielson
Former name: Acrochaetium daviesii (Dillwyn) Nägeli
Current name: Colaconema daviesii (Dillwyn) Stegenga
Former name: Acrochaetium desmarestiae Kylin
Current name: Colaconema desmarestiae (Kylin) P.W. Gabrielson
Acrochaetium microscopicum (Kützing) Nägeli
Former name: Acrochaetium pacificum Kylin
Current name: Colaconema pacifica (Kylin) Woelkerling
Former name: Acrochaetium pectinatum (Kylin) G. Hamel
Current name: Colaconema pectinatum (Kylin) J.T. Harper & G.W. Saunders
Acrochaetium plumosum (K.M. Drew) G.M. Smith
Acrochaetium porphyrae (K.M. Drew) G.M. Smith
Former name: Acrochaetium rhizoideum (K.M. Drew) Rao
Current name: Colaconema rhizoideum (K.M. Drew) P.W. Gabrielson
Former name: Acrochaetium subimmersum (Setchell & N.L. Gardner) G.F. Papenfuss
Current name: Rhodonematella subimmersa (Setchell & N.L. Gardner) S.L. Clayden & G.W. Saunders
Acrochaetium tenuissimum (F.S. Collins) G.F. Papenfuss
Former name: Acrochaetium thuretii (Bornet) Collins & Hervey
Current name: Acrochaetium savianum (Meneghini) Nägeli
Former name: Acrochaetium vagum (K.M. Drew) Jao sensu Abbott & Hollenberg 1976
Current name: Acrochaetium porphyrae (K.M. Drew) G.M. Smith
Former name: Acrosorium uncinatum (Turner) Kylin
Current name: Acrosorium ciliolatum (Harvey) Kylin
Aglaothamnion cordatum (Børgesen) Feldmann-Mazoyer
Aglaothamnion endovagum (Setchell & N.L. Gardner) I.A. Abbott
*Aglaothamnion tenuissimum (Bonnemaison) Feldmann-Mazoyer
Former name: Ahnfeltia gigartinoides J. Agardh
Current name: Ahnfeltiopsis gigartinoides (J. Agardh) P.C. Silva & T.C. DeCew
Former name: Ahnfeltia plicata (Hudson) Fries
Current name: Ahnfeltia fastigiata (Endlicher) Makienko
Former name: Amphiroa zonata Yendo
Current name: Amphiroa beauvoisii Lamouroux
Amplisiphonia pacifica G.J. Hollenberg
Anisocladella pacifica Kylin
Antithamnion defectum Kylin
Antithamnion dendroideum G.M. Smith & G.J. Hollenberg
Antithamnion hubbsii E.Y. Dawson
Antithamnion kylinii N.L. Gardner
Former name: Antithamnionella breviramosa (E.Y. Dawson) Womersley & Bailey
Current name: Antithamnionella elegans (Berthold) Price & John
Former name: Antithamnionella glandulifera (Kylin) E.M. Wollaston
Current name: Antithamnionella spirographidis (Schiffner) E.M. Wollaston
Antithamnionella pacifica (Harvey) E.M. Wollaston
Former name: Antithamnionella pacifica var. uncinata (N.L. Gardner) E.M. Wollaston
Current name: Antithamnionella pacifica (Harvey) E.M. Wollaston
*Apoglossum gregarium (E.Y. Dawson) M.J. Wynne
Former name: Arthrocardia silvae H.W. Johansen
Current name: Chiharaea silvae (H.W. Johansen) Martone, S.C. Lindstrom, K.A. Miller & P.W. Gabrielson
*Asparagopsis armata Harvey
Asparagopsis taxiformis (Delile) Trevisan
Asterocolax gardneri (Setchell) J. Feldmann & G. Feldmann
Former name: Asterocytis ramosa (Thwaites) F. Schmitz
Current name: Chroodactylon ornatum (C. Agardh) Basson
Former name: Bangia fuscopurpurea (Dillwyn) Lyngbye
Current name: "Bangia"
*"Bangia" maxima Gardner
*"Bangia" vermicularis Harvey
Besa papillaeformis Setchell
Besa stipitata G.J. Hollenberg & I.A. Abbott
Binghamia californica J. Agardh
Binghamia forkii (E.Y. Dawson) P.C. Silva
*Binghamiopsis caespitosa Lee, J.A. West & M.H. Hommersand
Blinksia californica G.J. Hollenberg & I.A. Abbott
Bonnemaisonia geniculata N.L. Gardner
Bonnemaisonia hamifera Hariot
Former name: Bonnemaisonia nootkana (Esper) P.C. Silva
Current name: Bonnemaisonia californica Buffham
Bornetia californica I.A. Abbott
Bossiella californica (Decaisne) P.C. Silva
Former name: Bossiella californica subsp. schmittii (Manza) H.W. Johansen
Current name: Bossiella schmittii (Manza) H.W. Johansen
Bossiella chiloensis (Decaisne) H.W. Johansen
Bossiella orbigniana (Decaisne) P.C. Silva
Former name: Bossiella orbigniana subsp. dichotoma (Manza) H.W. Johansen
Current name: Bossiella dichotoma (Manza) P.C. Silva
Bossiella plumosa (Manza) P.C. Silva
Former name: Botryocladia hancockii E.Y. Dawson
Current name: Irvinea hancockii (E.Y. Dawson) Wilkes, McIvor & M. Guiry
Botryocladia neushulii E.Y. Dawson
Botryocladia pseudodichotoma (Farlow) Kylin
Former name: Botryoglossum farlowianum (J. Agardh) De Toni
Current name: Cryptopleura ruprechtiana (J. Agardh) Kylin
Former name: Botryoglossum farlowianum var. anomalum G.J. Hollenberg & I.A. Abbott
Current name: Cryptopleura ruprechtiana (J. Agardh) Kylin
Former name: Botryoglossum ruprechtianum (J. Agardh) De Toni
Current name: Cryptopleura ruprechtiana (J. Agardh) Kylin
Branchioglossum undulatum E.Y. Dawson
Former name: Branchioglossum woodii (J. Agardh) Kylin
Current name: Branchioglossum bipinnatifidum (Montagne) M.J. Wynne
Calliarthron cheilosporioides Manza
Calliarthron tuberculosum (Postels & Ruprecht) E.Y. Dawson
Callithamnion acutum Kylin
Callithamnion biseriatum Kylin
Callithamnion catalinense E.Y. Dawson
Callithamnion paschale Børgesen
Callithamnion pikeanum Harvey
Former name: Callithamnion rupicolum Anderson
Current name: Callithamnion rupicola Anderson
*Callithamnion ramosissimum N.L. Gardner
Callocolax fungiformis Kylin
Callophyllis crenulata Setchell
Former name: Callophyllis firma (Kylin) R.E. Norris
Current name: Salishia firma (Kylin) B.E. Clarkston & G.W. Saunders
Callophyllis flabellulata Harvey
Callophyllis heanophylla Setchell
Callophyllis linearis (Kylin) I.A. Abbott & R.E. Norris
Callophyllis obtusifolia J. Agardh
Callophyllis pinnata Setchell & Swezy
Callophyllis thompsonii Setchell
Callophyllis violacea J. Agardh
Carpopeltis bushiae (Farlow) Kylin
*Former name: Caulacanthus ustulatus (Turner) Kützing
Current name: Caulacanthus okamurae Yamada
Centroceras clavulatum (C. Agardh) Montagne
Ceramium affine Setchell & N.L. Gardner
Ceramium avalonae E.Y. Dawson
Ceramium californicum J. Agardh
Ceramium camouii E.Y. Dawson
Ceramium caudatum Setchell & N.L. Gardner
Ceramium clarionense Setchell & N.L. Gardner
Ceramium codicola J. Agardh
Former name: Ceramium eatonianum (Farlow) De Toni
Current name: Corallophila eatoniana (Farlow) T.O. Cho, Choi, G.I. Hansen & Boo
Ceramium equisetoides E.Y. Dawson
*Ceramium kondoi Yendo
Former name: Ceramium taylorii E.Y. Dawson
Current name: Gayliella taylorii (E.Y. Dawson) T.O. Cho & S.M. Boo
Ceramium gardneri Kylin
*Ceramium interruptum Setchell & N.L. Gardner
Ceramium pacificum (Collins) Kylin
Ceramium procumbens Setchell & N.L. Gardner
Ceramium serpens Setchell & N.L. Gardner
Ceramium sinicola Setchell & N.L. Gardner
*Ceramium viscainoense E.Y. Dawson
Ceramium zacae Setchell & N.L. Gardner
Champia parvula (C. Agardh) Harvey
Chiharaea bodegensis H.W. Johansen
*Chondracanthus bajacalifornicus Hughey & M.H. Hommersand
*Chondracanthus kjeldsenii Hughey & M.H. Hommersand
*Chondracanthus serratus (Gardner) Hughey & M.H. Hommersand
Chondria arcuata G.J. Hollenberg
Former name: Chondria californica (Collins) Kylin
Current name: Chondria acrorhizophora Setchell & N.L. Gardner
Chondria dasyphylla (Woodward) C. Agardh
Chondria decipiens Kylin
Chondria nidifica Harvey
Chondria oppositiclada E.Y. Dawson
Former name: Choreocolax polysiphoniae Reinsch
Current name: Leachiella pacifica Kugrens
Choreonema thuretii (Bornet) F. Schmitz
Clathromorphum parcum (Setchell & Foslie) Adey
Former name: Coeloseira compressa G.J. Hollenberg
Current name: Gastroclonium compressum (G.J. Hollenberg) Chang & Xi
Former name: Coeloseira parva G.J. Hollenberg
Current name: Gastroclonium parvum (G.J. Hollenberg) Chang & Xi
Colacodasya californica G.J. Hollenberg
*Colaconema bonnemaisoniae Batters
*Colaconema gymnogongri (Setchell & N.L. Gardner) P.W. Gabrielson
*Colaconema plumosum (K.M. Drew) Woelkerling
*Colaconema plumosum var. variabile (K.M. Drew) P.W. Gabrielson
Constantinea simplex Setchell
Corallina bathybentha E.Y. Dawson
Corallina frondescens Postels & Ruprecht
Former name: Corallina officinalis var. chilensis (Decaisne) Kützing
Current name: Corallina chilensis Decaisne
Corallina pinnatifolia (Manza) E.Y. Dawson
Corallina polysticha E.Y. Dawson
Corallina vancouveriensis Yendo
Coriophyllum expansum Setchell & Gardner
Former name: Cruoria profunda E.Y. Dawson
Current name: Opuntiella californica (Farlow) Kylin
Former name: Cruoriopsis aestuarii G.J. Hollenberg
Current name: Gloiosiphonia californica (Farlow) J. Agardh
Cryptonemia angustata (Setchell & N.L. Gardner) E.Y. Dawson
Cryptonemia borealis Kylin
Cryptonemia obovata J. Agardh
Former name: Cryptonemia ovalifolia Kylin
Current name: Isabbottia ovalifolia (Kylin) Balakrishnan
Cryptopleura crispa Kylin
Cryptopleura dichotoma N.L. Gardner
Cryptopleura lobulifera (J. Agardh) Kylin
Cryptopleura rosacea I.A. Abbott
Cryptopleura violacea (J. Agardh) Kylin
Cryptosiphonia woodii (J. Agardh) J. Agardh
Former name: Cruoria profunda Dawson
Current name: Opuntiella californica (Farlow) Kylin
Cumagloia andersonii (Farlow) Setchell & N.L. Gardner
Cumathamnion sympodophyllum M.J. Wynne & Daniels
*Dasya sessilis Yamada
Dasya sinicola (Setchell & N.L. Gardner) E.Y. Dawson
Dasya sinicola var. abyssicola (E.Y. Dawson) E.Y. Dawson
Dasya sinicola var. californica (N.L. Gardner) E.Y. Dawson
Dasya sinicola var. sinicola (Setchell & N.L. Gardner) E.Y. Dawson
*Dasya sp.
Delesseria decipiens J. Agardh
Former name: Tenarea ascripticia (Foslie) Adey
Current name: Lithophyllum pustulatum f. ascripticium Foslie
Dermocorynus occidentalis G.J. Hollenberg
Dilsea californica (J. Agardh) Kuntze
*Dilsea pygmaea (Setchell) Setchell
Dudresnaya colombiana W.R. Taylor
Former name: Endocladia muricata (Postels & Ruprecht) J. Agardh
Current name: Endocladia muricata (Endlicher) J. Agardh
Erythrocladia irregularis Rosenvinge
Former name: Erythrocladia subintegra Rosenvinge
Current name: Sahlingia subintegra (Rosenvinge) Kornmann
Erythrocystis saccata (J. Agardh) P.C. Silva
Erythroglossum californicum (J. Agardh) J. Agardh
Erythrophyllum delesserioides J. Agardh
Former name: Erythrophyllum splendens Doty
Current name: Erythrophyllum delesserioides J. Agardh
Erythrotrichia carnea (Dillwyn) J. Agardh
Former name: Erythrotrichia parksii N.L. Gardner
Current name: Erythrotrichia carnea (Dillwyn) J. Agardh
Former name: Erythrotrichia porphyroides N.L. Gardner
Current name: Porphyrostromium boryanum (Montagne) P.C. Silva
Former name: Erythrotrichia pulvinata N.L. Gardner
Current name: Erythrotrichia carnea (Dillwyn) J. Agardh
Former name: Erythrotrichia tetraseriata N.L. Gardner
Current name: Erythrotrichia carnea (Dillwyn) J. Agardh
Erythrotrichia welwitschii (Ruprecht) Batters
Farlowia compressa J. Agardh
Farlowia conferta (Setchell) I.A. Abbott
Farlowia mollis (Harvey & Bailey) Farlow & Setchell
Former name: Fauchea fryeana Setchell
Current name: Gloiocladia fryeana (Setchell) Sánchez & RodrÃguez-Prieto
Former name: Fauchea galapagensis W.R. Taylor
Current name: Gloiocladia galapagensis (W.R. Taylor) Sánchez & RodrÃguez-Prieto
Former name: Fauchea laciniata J. Agardh
Current name: Gloiocladia laciniata (J. Agardh) Sánchez & RodrÃguez-Prieto
Faucheocolax attenuata Setchell
Fosliella paschalis (Lemoine) Setchell & N.L. Gardner
Fryeella gardneri (Setchell) Kylin
*Fuscifolium papenfussii (Krishnamurthy) S.C. Lindstrom
Gardneriella tuberifera Kylin
Former name: Coeloseira compressa Hollenberg
Current name: Gastroclonium compressum (Hollenberg) C.F. Chang & B.M. Xia
Former name: Gastroclonium coulteri (Harvey) Kylin
Current name: Neogastroclonium subarticulatum (Turner) L. Le Gall, Dalen & G.W. Saunders
Former name: Coeloseira parva Hollenberg
Current name: Gastroclonium parvum (G.J. Hollenberg) C.F. Chang & B.M. Xia
Gelidiocolax mammillata Fan & G.F. Papenfuss
Gelidiocolax microsphaerica N.L. Gardner
Gelidium arborescens N.L. Gardner
Gelidium coulteri Harvey
Gelidium nudifrons N.L. Gardner
Gelidium purpurascens N.L. Gardner
Gelidium pusillum (Stackhouse) Le Jolis
Gelidium robustum (N.L. Gardner) G.J. Hollenberg & I.A. Abbott
*Gelidium vagum Okamura
Former name: Gigartina agardhii Setchell & N.L. Gardner
Current name: Mastocarpus agardhii (Setchell & N.L. Gardner) S.C. Lindstrom, Hughey & Martone
Former name: Gigartina canaliculata Harvey
Current name: Chondracanthus canaliculatus (Harvey) M. Guiry
Former name: Gigartina corymbifera (Kützing) J. Agardh
Current name: Chondracanthus corymbiferus (Kützing) M. Guiry
Former name: Gigartina exasperata Harvey & Bailey
Current name: Chondracanthus exasperatus (Harvey & Bailey) Hughey
Former name: Gigartina harveyana (Kützing) Setchell & N.L. Gardner
Current name: Chondracanthus harveyanus (Kützing) M. Guiry
Former name: Gigartina leptorhynchos J. Agardh
Current name: Mazzaella leptorhynchos (J. Agardh) G.L. Leister
Former name: Gigartina papillata (C. Agardh) J. Agardh
Current name: Mastocarpus papillatus (C. Agardh) Kützing
Former name: Gigartina spinosa (Kützing) Harvey
Current name: Chondracanthus spinosus (Kützing) M. Guiry
Former name: Gigartina tepida G.J. Hollenberg
Current name: Chondracanthus tepidus (G.J. Hollenberg) M. Guiry
Former name: Gigartina volans (C. Agardh) J. Agardh
Current name: Mazzaella volans (C. Agardh) S. Fredericq
Gloiopeltis furcata (Postels & Ruprecht) J. Agardh
Gloiosiphonia californica (Farlow) J. Agardh
Former name: Gloiosiphonia capillaris (Hudson) Berkeley
Current name: Gloiosiphonia californica (Farlow) J. Agardh
Gloiosiphonia verticillaris Farlow
Gonimophyllum skottsbergii Setchell
Goniotrichopsis sublittoralis G.M. Smith
Former name: Goniotrichum alsidii (Zanardini) M.A. Howe
Current name: Stylonema alsidii (Zanardini) K.M. Drew
Former name: Goniotrichum cornu-cervi (Reinsch) Hauck
Current name: Stylonema cornu-cervi Reinsch
Former name: Gracilaria andersonii (Grunow) Kylin
Current name: Gracilaria papenfussii I.A. Abbott
Gracilaria robusta Setchell
Former name: Gracilaria sjoestedtii (Kylin) Farlow
Current name: Gracilariopsis andersonii (Grunow) E.Y. Dawson
Gracilaria textorii var. cunninghamii (Farlow) E.Y. Dawson
Gracilaria turgida E.Y. Dawson
Former name: Gracilaria veleroae E.Y. Dawson
Current name: Gracilaria mammillaris (Montagne) M.A. Howe
*Gracilaria vermiculophylla (Ohmi) G.F. Papenfuss
Former name: Gracilaria verrucosa (Hudson) G.F. Papenfuss
Current name: Gracilaria pacifica I.A. Abbott
Gracilariophila gardneri Setchell
Gracilariophila oryzoides Setchell & Wilson
Former name: Grateloupia doryphora (Montagne) M.A. Howe
Current name: Grateloupia californica Kylin
Grateloupia filicina (Lamouroux) C. Agardh
*Grateloupia lanceolata (Okamura) Kawaguchi
Grateloupia prolongata J. Agardh
*Grateloupia turuturu Yamada
Former name: Grateloupia setchellii Kylin
Current name: Norrissia setchellii (Kylin) Balakrishnan
Former name: Griffithsia furcellata J. Agardh
Current name: Anotrichium furcellatum (J. Agardh) R.N. Baldock
Griffithsia pacifica Kylin
Gymnogongrus crustiformis E.Y. Dawson
Former name: Gymnogongrus leptophyllus J. Agardh
Current name: Ahnfeltiopsis leptophylla (J. Agardh) P.C. Silva & T.C. DeCew
Former name: Gymnogongrus linearis (C. Agardh) J. Agardh
Current name: Ahnfeltiopsis linearis (C. Agardh) P.C. Silva & T.C. DeCew
Gymnogongrus martinensis Setchell & N.L. Gardner
Former name: Gymnogongrus platyphyllus N.L. Gardner
Current name: Gymnogongrus chiton (M.A. Howe) P.C. Silva & T.C. DeCew
Former name: Haematocelis rubens J. Agardh
Current name: Schizymenia dubyi (Chauvin ex Duby) J. Agardh
Former name: Haematocelis zonalis E.Y. Dawson & Neushul
Current name: Schizymenia sp.
Former name: Haliptylon gracile (Lamouroux) H.W. Johansen
Current name: Jania roseum (Lamarck) Decaisne
Halosaccion glandiforme (S.G. Gmelin) Ruprecht
Halymenia californica G.M. Smith & G.J. Hollenberg
Former name: Halymenia coccinea (Harvey) I.A. Abbott
Current name: Weeksia coccinea (Harvey) S.C. Lindstrom
Halymenia hollenbergii I.A. Abbott
Halymenia schizymenioides G.J. Hollenberg & I.A. Abbott
Helminthocladia australis Harvey
Helminthora stricta N.L. Gardner
Herposiphonia hollenbergii E.Y. Dawson
Herposiphonia littoralis G.J. Hollenberg
Former name: Herposiphonia plumula (J. Agardh) G.J. Hollenberg
Current name: Herposiphonia plumula (J. Agardh) Falkenberg
*Herposiphonia plumula var. parva (Hollenberg) Hollenberg
Former name: Herposiphonia tenella f. secunda (C. Agardh) G.J. Hollenberg
Current name: Herposiphonia secunda (C. Agardh) Ambronn
Herposiphonia verticillata (Harvey) Kylin
Former name: Heteroderma nicholsii Setchell & Mason
Current name: Pneophyllum nicholsii (Setchell & Mason) P.C. Silva & P.W. Gabrielson
Heterosiphonia erecta N.L. Gardner
Former name: Heterosiphonia japonica Yendo
Current name: Heterosiphonia densiuscula Kylin
Hildenbrandia dawsonii (Ardre) G.J. Hollenberg
Hildenbrandia occidentalis Setchell
Former name: Hildenbrandia prototypus Nardo
Current name: Hildenbrandia rubra (Sommerfelt) Meneghini
Hollenbergia nigricans (N.L. Gardner) E.M. Wollaston
Hollenbergia subulata (Harvey) E.M. Wollaston
Former name: Holmesia californica (E.Y. Dawson) E.Y. Dawson
Current name: Loranthophycus californicus E.Y. Dawson
Former name: Hydrolithon decipiens (Foslie) Adey
Current name: Pseudolithophyllum decipiens (Foslie) Steneck & Paine
Hymenena cuneifolia M.S. Doty
Hymenena flabelligera (J. Agardh) Kylin
Former name: Hymenena kylinii N.L. Gardner
Current name: Hymenena flabelligera (J. Agardh) Kylin
Hymenena multiloba (J. Agardh) Kylin
Hymenena setchellii N.L. Gardner
Former name: Hymenena smithii Kylin
Current name: Hymenena setchellii N.L. Gardner
Hypnea johnstonii Setchell & N.L. Gardner
Hypnea valentiae (Turner) Montagne
Hypnea valentiae var. gardneri G.J. Hollenberg
Hypnea variabilis Okamura
Former name: Iridaea cordata var. cordata (Turner) Bory
Current name: Mazzaella splendens (Setchell & N.L. Gardner) S. Fredericq
Former name: Iridaea cordata var. splendens (Setchell & N.L. Gardner) I.A. Abbott
Current name: Mazzaella splendens (Setchell & N.L. Gardner) S. Fredericq
Former name: Iridaea cornucopiae Postels & Ruprecht
Current name: Mazzaella parksii (Setchell & N.L. Gardner) Hughey, P.C. Silva & M.H. Hommersand
Former name: Iridaea flaccida (Setchell & N.L. Gardner) P.C. Silva
Current name: Mazzaella flaccida (Setchell & N.L. Gardner) S. Fredericq
Former name: Iridaea heterocarpa Postels & Ruprecht
Current name: Mazzaella oregona (M.S. Doty) Hughey, P.C. Silva & M.H. Hommersand
Former name: Iridaea lineare (Setchell & N.L. Gardner) Kylin
Current name: Mazzaella linearis (Setchell & N.L. Gardner) S. Fredericq
Former name: Iridaea punicea Postels & Ruprecht
Current name: Mazzaella sanguinea (Setchell & N.L. Gardner) M.H. Hommersand
Former name: Iridaea sanguinea (Setchell & N.L. Gardner) G.J. Hollenberg & I.A. Abbott
Current name: Mazzaella sanguinea (Setchell & N.L. Gardner) M.H. Hommersand
Janczewskia gardneri Setchell & Guernsey
Janczewskia lappacea Setchell
Janczewskia moriformis Setchell
Janczewskia solmsii Setchell & Guernsey
Jania adhaerens Lamouroux
Former name: Jania crassa Lamouroux sensu Abbott & Hollenberg 1976
Current name: Jania verrucosa Lamouroux
Jania tenella (Kützing) Grunow
Former name: Jantinella verrucaeformis (Setchell & McFadden) Kylin
Current name: Jantinella verruciformis (Setchell & McFadden) Kylin
Kallymenia norrisii G.J. Hollenberg & I.A. Abbott
Former name: Kallymenia oblongifructa Setchell
Current name: Kallymeniopsis oblongifructa (Setchell) G.I. Hansen
Kallymenia pacifica Kylin
Former name: Kylinia rosulata Rosenvinge
Current name: Acrochaetium rosulatum (Rosenvinge) G.F. Papenfuss
Former name:Â Laurencia blinksii G.J. Hollenberg & I.A. Abbott
Current name: Osmundea blinksii (G.J. Hollenberg & I.A. Abbott) K.W. Nam in Nam, Maggs & Garbary
Former name:Â Laurencia crispa G.J. Hollenberg
Current name: Osmundea crispa (G.J. Hollenberg) K.W. Nam in Nam, Maggs & Garbary
Laurencia decidua E.Y. Dawson
Laurencia gardneri G.J. Hollenberg
Laurencia lajolla E.Y. Dawson
Laurencia masonii Setchell & N.L. Gardner
Laurencia pacifica Kylin
Former name: Laurencia sinicola Setchell & N.L. Gardner
Current name: Osmundea sinicola (Setchell & N.L. Gardner) K.W. Nam
Former name: Laurencia snyderiae E.Y. Dawson
Current name: Laurencia snyderae E.Y. Dawson
Former name: Laurencia spectabilis var. spectabilis Postels & Ruprecht
Current name: Osmundea spectabilis var. spectabilis (Postels & Ruprecht) K.W. Nam
Former name: Laurencia spectabilis var. diegoensis (E.Y. Dawson) E.Y. Dawson
Current name: Osmundea spectabilis var. diegoensis (E.Y. Dawson) K.W. Nam
Former name: Laurencia splendens G.J. Hollenberg
Current name: Osmundea splendens (G.J. Hollenberg) K.W. Nam
Laurencia subdisticha E.Y. Dawson, Neushul & Wildman
Laurencia subopposita (J. Agardh) Setchell
Lejolisea pusilla E.Y. Dawson & Neushul
Leptocladia binghamiae J. Agardh
Leptofauchea pacifica E.Y. Dawson
*Leptophytum lamellicola Athanasiadis & Adey
Levringiella gardneri (Setchell) Kylin
Liagora californica Zeh
Lithophyllum grumosum (Foslie) Foslie
Lithophyllum imitans Foslie
Former name: Lithophyllum lichenare Mason
Current name: Pseudolithophyllum muricatum (Foslie) Steneck & Paine
Lithophyllum proboscideum (Foslie) Foslie
Former name: Lithothamnium
Current name: Lithothamnion
Former name: Lithothamnium aculeiferum Mason
Current name: Mesophyllum crassiusculum (Foslie) Lebednik
Former name: Lithothamnium australe (Foslie) Foslie
Current name: Lithothamnion australe (Foslie) Foslie
Former name: Lithothamnium californicum Foslie
Current name: Lithothamnion californicum Foslie
Former name: Lithothamnium crassiusculum (Foslie) Mason
Current name: Mesophyllum crassiusculum (Foslie) Lebednik
Former name: Lithothamnium giganteum Mason
Current name: Lithothamnion giganteum Mason
Former name: Lithothamnium microsporum (Foslie) Foslie
Current name: Leptophytum microsporum (Foslie) Athanasiadis & Adey
Former name: Lithothamnium montereyicum Foslie
Current name: Lithothamnion montereyicum Foslie
Former name: Lithothamnium pacificum (Foslie) Foslie
Current name: Lithothamnion phymatodeum Foslie
Former name: Lithothamnium phymatodeum Foslie
Current name: Lithothamnion phymatodeum Foslie
Former name: Lithothamnium volcanum E.Y. Dawson
Current name: Lithothamnion volcanum E.Y. Dawson
Lithothrix aspergillum J.E. Gray
Lomentaria caseae E.Y. Dawson
Lomentaria hakodatensis Yendo
Maripelta rotata (E.Y. Dawson) E.Y. Dawson
*Mastocarpus agardhii (Setchell & N.L. Gardner) S.C. Lindstrom, Hughey & Martone
*Mastocarpus alaskensis S.C. Lindstrom, Hughey & Martone
*Mastocarpus californianus S.C. Lindstrom, Hughey & Martone
*Mastocarpus cristatus (Setchell) S.C. Lindstrom, Hughey & Martone
*Mastocarpus intermedius (Setchell & N.L. Gardner) S.C. Lindstrom, Hughey & Martone
*Mastocarpus jardinii (J. Agardh) J.A. West
*Mastocarpus latissimus (Harvey) S.C. Lindstrom, Hughey & Martone
*Mastocarpus pachenicus L. Le Gall & G.W. Saunders
*Mastocarpus rigidus S.C. Lindstrom, Hughey & Martone
*Mastocarpus vancouveriensis S.C. Lindstrom, Hughey & Martone
*Mazzaella coriacea (E.Y. Dawson) Hughey
Melobesia marginata Setchell & Foslie
Melobesia mediocris (Foslie) Setchell & Mason
Former name: Membranella nitens G.J. Hollenberg & I.A. Abbott
Current name: Smithora naiadum (C.L. Anderson) G.J. Hollenberg
Membranoptera dimorpha N.L. Gardner
Former name: Membranoptera multiramosa N.L. Gardner
Current name: Membranoptera platyphylla (Setchell & N.L. Gardner) Kylin
Membranoptera weeksiae Setchell & N.L. Gardner
Mesophyllum conchatum (Setchell & Foslie) Adey
Mesophyllum lamellatum (Setchell & Foslie) Adey
Microcladia borealis Ruprecht
Former name: Microcladia californica Farlow
Current name: Campylaephora californica (Farlow) T.O. Cho
Microcladia coulteri Harvey
*Minium parvum Moe
Murrayellopsis dawsonii E. Post
Myriogramme caespitosa E.Y. Dawson
Myriogramme repens G.J. Hollenberg
Myriogramme spectabilis (Eaton) Kylin
Myriogramme variegata Yamada
Former name: Murrayellopsis dawsonii Post
Current name: Veleroa subulata E.Y. Dawson
*Neevea repens Batters
Former name: Nemalion helminthoides (Velley) Batters
Current name: Nemalion elminthoides (Velley) Batters
Former name: Neoagardhiella baileyi (Kützing) M.J. Wynne & W.R. Taylor
Current name: Sarcodiotheca gaudichaudii (Montagne) P.W. Gabrielson
Neogoniolithon setchellii (Foslie) Adey
Former name: Neopolyporolithon reclinatum (Foslie) Adey & H.W. Johansen
Current name: Clathromorphum reclinatum (Foslie) Adey
Neoptilota californica (Harvey) Kylin
Neoptilota densa (C. Agardh) Kylin
Neoptilota hypnoides (Harvey) Kylin
*Neosiphonia harveyi (J. Bailey) M.-S. Kim, Choi, M. Guiry & G.W. Saunders
Nienburgia andersoniana (J. Agardh) Kylin
Nitophyllum cincinnatum I.A. Abbott
Nitophyllum hollenbergii (Kylin) I.A. Abbott
Nitophyllum northii G.J. Hollenberg & I.A. Abbott
Odonthalia floccosa (Esper) Falkenberg
Former name: Odonthalia oregona M.S. Doty
Current name: Neorhodomela oregona (M.S. Doty) Masuda
Odonthalia washingtoniensis Kylin
Ophidocladus simpliciusculus (P.L. Crouan & H.M. Crouan) Falkenberg
Opuntiella californica (Farlow) Kylin
Ozophora clevelandii (Farlow) I.A. Abbott
Ozophora latifolia I.A. Abbott
*Palmaria hecatensis Hawkes
Former name: Petrocelis franciscana Setchell & N.L. Gardner
Current name: Mastocarpus papillatus (C. Agardh) Kützing
Former name: Petrocelis haematis G.J. Hollenberg
Current name: Erythrodermis haematis (G.J. Hollenberg) Denizot
Petroglossum pacificum G.J. Hollenberg
Petroglossum parvum G.J. Hollenberg
Former name: Peyssonellia
Current name: Peyssonnelia
*Peyssonnelia dubyi P.L. Crouan & H.M. Crouan
Former name: Peyssonellia hairii G.J. Hollenberg & I.A. Abbott
Current name: Peyssonnelia hairii G.J. Hollenberg & I.A. Abbott
Former name: Peyssonellia meridionalis G.J. Hollenberg & I.A. Abbott
Current name: Peyssonnelia meridionalis G.J. Hollenberg & I.A. Abbott
*Peyssonnelia pacifica Kylin
Former name: Peyssonellia profunda G.J. Hollenberg & I.A. Abbott
Current name: Peyssonnelia profunda G.J. Hollenberg & I.A. Abbott
Former name: Peyssonellia rubra var. orientalis Weber-van Bosse
Current name: Peyssonnelia orientalis (Weber-van Bosse) Cormaci & Furnari
Former name: Phycodrys isabelliae R.E. Norris & M.J. Wynne
Current name: Phycodrys isabellae R.E. Norris & M.J. Wynne
*Phycodrys ovifolia (Kützing) M.J. Wynne
Phycodrys profunda E.Y. Dawson
Phycodrys setchellii Skottsberg
Pikea californica Harvey
*Pikea pinnata Setchell
Pikea robusta I.A. Abbott
Platysiphonia clevelandii (Farlow) G.F. Papenfuss
Platysiphonia decumbens M.J. Wynne
Platysiphonia parva P.C. Silva & Cleary
Former name: Platythamnion heteromorphum (J. Agardh) J. Agardh
Current name: Pterothamnion heteromorphum (J. Agardh) Athanasiadis & Kraft
Former name: Platythamnion pectinatum Kylin
Current name: Pterothamnion pectinatum (Kylin) Athanasiadis & Kraft
Former name: Platythamnion recurvatum E.M. Wollaston
Current name: Pterothamnion recurvatum (E.M. Wollaston) Athanasiadis & Kraft
Former name: Platythamnion villosum Kylin
Current name: Pterothamnion villosum (Kylin) Athanasiadis & Kraft
Pleonosporium squarrosum Kylin
Pleonosporium squarrulosum (Harvey) I.A. Abbott
Pleonosporium vancouverianum (J. Agardh) J. Agardh
Plocamiocolax pulvinata Setchell
Former name: Plocamium cartilagineum (Linnaeus) P.S. Dixon
Current name: Plocamium pacificum Kylin
Plocamium oregonum M.S. Doty
Plocamium violaceum Farlow
Former name: Pogonophorella californica (J. Agardh) P.C. Silva
Current name: Dasya binghamiae Millar
Pollexfenia anacapensis E.Y. Dawson & Neushul
Polyneura latissima (Harvey) Kylin
Polyneurella hancockii E.Y. Dawson
*Polyneuropsis stolonifera M.J. Wynne, McBride & J.A. West
Former name: Polysiphonia acuminata N.L. Gardner
Current name: Neosiphonia harveyi (J.W. Bailey) M.-S. Kim, H.-G. Choi, Guiry, & G.W. Saunders in Choi, Kim, Guiry, & Saunders
Polysiphonia bajacali G.J. Hollenberg
Former name: Polysiphonia brodiaei (Dillwyn) Sprengel
Current name: Polysiphonia brodiei (Dillwyn) Sprengel
Polysiphonia confusa G.J. Hollenberg
*Polysiphonia denudata (Dillwyn) Harvey
Polysiphonia decussata G.J. Hollenberg
Former name: Polysiphonia flaccidissima G.J. Hollenberg
Current name: Neosiphonia flaccidissima (G.J. Hollenberg) M.S. Kim & I.K. Lee
Polysiphonia hendryi N.L. Gardner
Polysiphonia hendryi var. compacta (G.J. Hollenberg) G.J. Hollenberg
Polysiphonia hendryi var. deliquescens (G.J. Hollenberg) G.J. Hollenberg
Polysiphonia hendryi var. gardneri (Kylin) G.J. Hollenberg
Polysiphonia hendryi var. hendryi
Polysiphonia indigena G.J. Hollenberg
Former name: Polysiphonia japonica Harvey var. savatieri (Hariot) Yoon
Current name: Neosiphonia savatieri (Hariot) M.S. Kim & I.K. Lee
Polysiphonia johnstonii Setchell & N.L. Gardner
Polysiphonia mollis Hooker & Harvey
Polysiphonia nathanielii G.J. Hollenberg
Polysiphonia pacifica G.J. Hollenberg
Polysiphonia pacifica var. delicatula G.J. Hollenberg
Polysiphonia pacifica var. determinata G.J. Hollenberg
Polysiphonia pacifica var. distans G.J. Hollenberg
Polysiphonia pacifica var. disticha G.J. Hollenberg
Polysiphonia pacifica var. gracilis G.J. Hollenberg
Polysiphonia pacifica var. pacifica
Polysiphonia paniculata Montagne
Polysiphonia scopulorum Harvey var. villum (J. Agardh) G.J. Hollenberg
Former name: Polysiphonia simplex G.J. Hollenberg
Current name: Neosiphonia simplex (Hollenberg) Y.-P.Lee
Former name: Porphyra gardneri (G.M. Smith & G.J. Hollenberg) Hawkes
Current name: Pyropia gardneri (G.M. Smith & G.J. Hollenberg) S.C. Lindstrom
Former name: Porphyra hollenbergii E.Y.Dawson
Current name: Pyropia hollenbergii (E.Y.Dawson) J.E. Sutherland, L.E. Aguilar Rosas & R. Aguilar Rosas
Former name: Porphyra lanceolata (Setchell & Hus) G.M. Smith
Current name: Pyropia lanceolata (Setchell & Hus) S.C. Lindstrom
Former name: Porphyra miniata (C. Agardh) C. Agardh
Current name: Wildemania cuneiformis (Setchell & Hus) S.C. Lindstrom
*Porphyra mumfordii S.C. Lindstrom & K.M. Cole
Former name: Porphyra nereocystis Anderson
Current name: Pyropia nereocystis (C.L. Anderson) S.C. Lindstrom
Former name: Porphyra occidentalis Setchell & Hus
Current name: Wildemania occidentalis (Setchell & Hus) S.C. Lindstrom
Former name: Porphyra perforata J. Agardh
Current name: Pyropia perforata (J. Agardh) S.C. Lindstrom
Porphyra pulchra G.J. Hollenberg
*Porphyra purpurea (Roth) C. Agardh
Former name: Porphyra schizophylla G.J. Hollenberg
Current name: Wildemania schizophylla (G.J. Hollenberg) S.C. Lindstrom
Former name: Porphyra smithii G.J. Hollenberg & I.A. Abbott
Current name: Pyropia smithii (G.J. Hollenberg & I.A. Abbott) S.C. Lindstrom
Former name: Porphyra thuretii E.Y. Dawson
Current name: Pyropia thuretii (Setchell & E.Y. Dawson) J.E. Sutherland, L.E. Aguilar-Rosas & R. Aguilar-Rosas
Porphyrella californica G.J. Hollenberg
Porphyropsis coccinea var. dawsonii G.J. Hollenberg & I.A. Abbott
Predaea masonii (Setchell & N.L. Gardner) De Toni
*Prionitis andersoniana J. Agardh
Former name: Prionitis angusta (Harvey) Okamura
Current name: Prionitis linearis Kylin
Prionitis australis (J. Agardh) J. Agardh
Former name: Prionitis cornea (Okamura) E.Y. Dawson
Current name: not in California
Prionitis filiformis Kylin
Prionitis lanceolata (Harvey) Harvey
Prionitis linearis Kylin
Former name: Prionitis lyallii Harvey
Current name: Prionitis sternbergii (C. Agardh) J. Agardh
Prionitis simplex G.J. Hollenberg & I.A. Abbott
Former name: Pseudogloiophloea confusa (Setchell) Levring
Current name: Scinaia confusa (Setchell) Huisman
Pseudolithophyllum neofarlowii (Setchell & Mason) W.H. Adey
Former name: Pseudoscinaia snyderiae Setchell
Current name: Scinaia snyderae (Setchell) Huisman
Former name: Pterocladia caloglossoides (M.A. Howe) E.Y. Dawson
Current name: Pterocladiella caloglossoides (M.A. Howe) Santelices
Former name: Pterocladia capillacea (S.G. Gmelin) Bornet
Current name: Pterocladiella capillacea (S.G. Gmelin) Santelices & M.H. Hommersand
Pterocladia media E.Y. Dawson
Pterochondria woodii (Harvey) G.J. Hollenberg
Pterochondria woodii var. pygmaea (Setchell) E.Y. Dawson
Pterosiphonia baileyi (Harvey) Falkenberg
Pterosiphonia bipinnata (Postels & Ruprecht) Falkenberg
Former name: Pterosiphonia clevelandii (Farlow) G.J. Hollenberg
Current name: Pterosiphonia farlowii G.J. Hollenberg
Pterosiphonia dendroidea (Montagne) Falkenberg
Former name: Pterosiphonia pennata (C. Agardh) Falkenberg
Current name: Pterosiphonia pennata (C. Agardh) Sauvageau
Ptilota filicina J. Agardh
Ptilothamnion codicola (E.Y. Dawson) I.A. Abbott
Ptilothamnionopsis lejolisea (Farlow) P.S. Dixon
Pugetia fragilissima Kylin
Pulvinia epiphytica G.J. Hollenberg
*Pyropia conwayae (S.C. Lindstrom & K.M. Cole) S.C. Lindstrom
*Pyropia hiberna (S.C. Lindstrom & K.M. Cole) S.C. Lindstrom
*Pyropia kanakaensis (Mumford) S.C. Lindstrom
*Pyropia pseudolanceolata (V. Krishnamurthy) S.C. Lindstrom
*Pyropia suborbiculata (Kjellman) J.E. Sutherland, H.G. Choi, M.S. Hwang & W.A. Nelson Hughey_XX
Reticulobotrys catalinae E.Y. Dawson
Former name: Rhodochorton concrescens K.M. Drew
Current name: Meiodiscus concrescens (K.M. Drew) P.W. Gabrielson
Rhodochorton purpureum (Lightfoot) Rosenvinge
Rhododiscus carmelita G.J. Hollenberg & I.A. Abbott
Former name: Rhodoglossum affine (Harvey) Kylin
Current name: Mazzaella affinis (Harvey) S. Fredericq
Former name: Rhodoglossum californicum (J. Agardh) I.A. Abbott
Current name: Mazzaella californica (J. Agardh) De Toni f.
Former name: Rhodoglossum oweniae G.J. Hollenberg & I.A. Abbott
Current name: Mazzaella californica (J. Agardh) De Toni f.
Former name: Rhodoglossum parvum G.M. Smith & G.J. Hollenberg
Current name: Mazzaella parva (G.M. Smith & G.J. Hollenberg) Hughey, P.C. Silva, & M.H. Hommersand
Former name: Rhodoglossum roseum (Kylin) G.M. Smith
Current name: Mazzaella rosea (Kylin) S. Fredericq
Former name: Rhodomela larix (Turner) C. Agardh
Current name: Neorhodomela larix (Turner) Masuda
Former name: Rhodophysema elegans (P.L. & H.M. Crouan) Batters
Current name: Rhodophysema odonthaliae Masuda & M. Ohta
Former name: Rhodophysema elegans var. polystromatica (Batters) P.S. Dixon
Current name: Rhodophysema minus G.J. Hollenberg & I.A. Abbott
Rhodoptilum plumosum (Harvey & Bailey) Kylin
Rhodymenia arborescens E.Y. Dawson
Rhodymenia californica Kylin
Rhodymenia callophyllidoides G.J. Hollenberg & I.A. Abbott
Former name: Rhodymenia californica var. attenuata (E.Y. Dawson) E.Y. Dawson
Current name: Rhodymenia californica Kylin
Former name: Rhodymenia hancockii E.Y. Dawson
Current name: Rhodymenia arborescens E.Y. Dawson (in California)
Former name: Rhodymenia lobata E.Y. Dawson
Current name: Rhodymenia pacifica Kylin
Rhodymenia pacifica Kylin
Former name: Rhodymenia palmata var. mollis Setchell & N.L. Gardner
Current name: Palmaria mollis (Setchell & N.L. Gardner) van der Meer & Bird
Former name: Rhodymenia rhizoides E.Y. Dawson
Current name: Rhodymenia pacifica Kylin
Rhodymenia sympodiophyllum E.Y. Dawson & Neushul
Rhodymeniocolax botryoidea Setchell
Sarcodiotheca furcata (Setchell & N.L. Gardner) Kylin
Sarcodiotheca gaudichaudii (Montagne) P.W. Gabrielson
Scagelia occidentale (Kylin) E.M. Wollaston
Schimmelmannia plumosa (Setchell) I.A. Abbott
Former name: Schizymenia dawsonii I.A. Abbott
Current name: Sebdenia dawsonii (I.A. Abbott) G.I. Hansen
Former name: Schizymenia epiphytica (Setchell & Lawson) G.M. Smith & G.J. Hollenberg
Current name: Peyssonneliopsis epiphytica Setchell & Lawson
*Schizymenia dubyi (Chauvin ex Duby) J. Agardh
Schizymenia pacifica (Kylin) Kylin
Sciadophycus stellatus E.Y. Dawson
Scinaia articulata Setchell
Scinaia johnstoniae Setchell
Scinaia latifrons M.A. Howe
Serraticardia macmillanii (Yendo) P.C. Silva
Smithora naiadum (Anderson) G.J. Hollenberg
Sorella delicatula (N.L. Gardner) G.J. Hollenberg
Sorella pinnata G.J. Hollenberg
Spyridia filamentosa (Wulfen) Harvey
Former name: Stenogramme interrupta (C. Agardh) Montagne
Current name: Stenogramma californica Harvey
Stylonema alsidii (Zanardini) K.M. Drew
Stylonema cornu-cervi Reinsch
Former name: Tenarea ascripticia (Foslie) Adey
Current name: Lithophyllum pustulatum (Lamouroux) Foslie f. ascripticium Foslie
Former name: Tenarea dispar (Foslie) Adey
Current name: Lithophyllum dispar (Foslie) Foslie
Former name: Tiffaniella phycophilum (W.R. Taylor) Gordon
Current name: Tiffaniella phycophila (W.R. Taylor) Gordon
Tiffaniella snyderae (Farlow) I.A. Abbott
Former name: Trailliella intricata Batters
Current name: Bonnemaisonia californica Buffham
Former name: Veleroa subulata E.Y. Dawson
Current name: Murrayellopsis dawsonii E.Post
Weeksia digitata I.A. Abbott
Weeksia howellii Setchell & N.L. Gardner
Weeksia reticulata Setchell
Weeksia templetonii Setchell & N.L. Gardner
Former name: Yamadaea melobesioides Segawa
Current name: Chiharaea americana (E.Y. Dawson & R.L. Steele) Martone, S.C. Lindstrom, K.A. Miller & P.W. Gabrielson
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