Index Nominum Algarum Image Index
1180 CARD IMAGES
beginning with CERAMIUM Wiggers
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- CERAMIUM Wiggers
- CERAMIUM Stackhouse
- CERAMIUM Bory {emend.}
- CERAMIUM \{also on card: subgenera Gaillona (Bonnemaison) Crouan fr., Leprevostia Crouan Fr.\}
- CERAMIUM Roth
- CERAMIUM Lyngbye \{also on card: sections Rubra, Diaphana\}
- CERAMIUM \{also on card: five sections of subgenus Rhodoceras\}
- CERAMIUM \{also on card: three sections by Ardissone\}
- CERAMIUM \{also on card: many evidently infrageneric names by J. Agardh at the ranks of Series and "Tribus"\}
- CERAMIUM \{also on card: sect. Seirospora (Harvey) Ardissone\}
- CERAMIUM \{also on card: subgen. Centroceras (Kützing) Menegh.\}
- CERAMIUM \{also on card: many subgenera by Nakamura, Meneghini\}
- Ceramium abyssale H. Petersen
- Ceramium acanthonotum (Carmichael) Carmichael
- Ceramium acanthonotum var. coronata Kleen
- Ceramium acanthonotum f. transcurrens Holmes & Batters
- Ceramium acanthonotum f. typica Kjellman
- Ceramium aciculare Roth
- Ceramium aciculare Schousboe
- Ceramium acrocarpum Bertoloni
- Ceramium acrocarpum Zanardini
- Ceramium acrocarpum 'Kützing'
- Ceramium aculeatum C. Agardh
- Ceramium adauctum Schousboe
- Ceramium aduncum Nakamura
- Ceramium aegagropilum (Linnaeus) DC.
- Ceramium aequabile J. Agardh
- Ceramium affine Setchell & Gardner
- Ceramium affine var. originale Dawson
- Ceramium affine var. peninsulare_('peninsularis') Dawson
- Ceramium agardhianum Griffiths
- Ceramium albidum (Roth) DC.
- Ceramium allochrous (Roth) Mertens
- Ceramium alternum Schousboe
- Ceramium alternum var. clavatum ('clavata') Schousboe
- Ceramium amamiense Itono
- Ceramium annulatum Schousboe
- Ceramium antenninum Mertens
- Ceramium apiculatum J. Agardh
- Ceramium appendiculatum Schousboe in herb.
- Ceramium appendiculatum Schousboe
- Ceramium arachnoideum (Agardh) J. Agardh
- Ceramium arachnoideum [beta] patentissimum Harvey
- Ceramium arborescens J. Agardh
- Ceramium arbuscula C. Agardh
- Ceramium arbuscula (Dillwyn) Bory
- Ceramium arcticum J. Agardh
- Ceramium arenarium Simons
- Ceramium areschougii Kylin
- Ceramium armatum (Kützing) Grun.
- Ceramium armoricum Dixon & Parkes
- Ceramium asparagoides Boucher ined.
- Ceramium asparagoides (Woodw.) Roth
- Ceramium aspergillosum Lamouroux
- Ceramium asperum Roth
- Ceramium atlanticum H.E. Petersen
- Ceramium atlanticum f. norvegicum ('norvegica') H. E. Petersen
- Ceramium atrorubens [Liljeblad]
- Ceramium atrorubescens Kylin
- Ceramium atrum Schousboe
- Ceramium attenuatum Ruchinger
- Ceramium attenuatum Meneghini
- Ceramium attenuatum var. australe ('australis') Harvey
- Ceramium aucklandicum Kützing
- Ceramium aureum (L.) Agardh
- Ceramium australe Sonder
- Ceramium avalonae Dawson
- Ceramium axillare DC.
- SCANNING ERROR
- Ceramium axillare Schousboe
- Ceramium azoricum Meneghini (CAS)
- Ceramium barbatum (J.E. Smith) Duby
- Ceramium barbatum Kützing
- Ceramium barbatum var. minus_('minor') Schiffner
- Ceramium barbatum f. nanum ('nana') [Schiffner]
- Ceramium barbatum f. typicum ('typica') [Schiffner]
- Ceramium bertholdii ('bertholdi') Funk
- Ceramium bertolonii ('Bertoloni') Lamouroux in herb.
- Ceramium biasolettianum (Kützing) Rabenhorst
- Ceramium bicorne Setchell & Gardner
- Ceramium bisporum D.L. Ballantine
- Ceramium boergesenii H. E. Petersen
- Ceramium boreale Okamura in herb.
- Ceramium borneense Weber-van Bosse
- Ceramium borreri (J.E. Smith) C. Agardh
- Ceramium borreri var. firmius C. Agardh
- Ceramium botryocarpum Griffiths ex Harvey
- Ceramium botryocarpum Harv. in litt.
- Ceramium boucheri (Bonnemaison) Duby \{also on card: bouchetii as epithet\}
- Ceramium boucheri var. mucilaginosum Crouan fr.
- Ceramium boucheri var. tenuissimum Crouan fr.
- Ceramium boydenii E.S. Gepp
- Ceramium brachiatum C. Agardh
- Ceramium brachiatum Bonnemaison
- Ceramium brachygonium Lyngbye
- Ceramium brasiliense Joly
- Ceramium breviarticulatum Shperk
- Ceramium breviarticulatum var. pellucidum Shperk
- Ceramium brevizonatum var. caraibicum ('caraibica') H.E. Petersen
- Ceramium brevizonatum H.E. Petersen
- Ceramium brodiei_('brodiaei') (Dillwyn) C. Agardh
- SCANNING ERROR
- Ceramium bulbosum (Hudson) Stackhouse
- Ceramium byssoides (Good. & Woodw.) Ducluzeau
- Ceramium byssoides (Good. & Woodw.) Lamarck & DC
- Ceramium byssoideum Harvey
- Ceramium caespitosum Roth
- Ceramium caespitosum Roth [beta] maximum Roth
- Ceramium californicum J. Agardh
- Ceramium californicum var. decipiens J. Agardh
- Ceramium callipterum G. Mazoyer
- Ceramium callithamnium Rafinesque
- Ceramium calyculatum Schousboe
- Ceramium camouii Dawson
- Ceramium cancellatum (L.) DC.
- Ceramium cancellatum C. Agardh
- Ceramium cancellatum C. Agardh
- Ceramium cancellatum var. proliferum ('prolifera') Grun.
- Ceramium capense Kützing
- Ceramium capillaceum Meneghini
- Ceramium capillare (Roth) DC.
- Ceramium capitatum Schousboe
- Ceramium capitellatum De Notaris herb.
- Ceramium capitellatum De Notaris
- Ceramium capricornu ('capri-cornu') (Reinsch) Farlow
- Ceramium catenula (Kützing) Ardissone
- Ceramium casuarinae DC.
- Ceramium catenatum (L.) DeCandolle
- Ceramium caudatum Setchell & Gardner
- Ceramium centrale ('centralis') Schousboe
- Ceramium centroceratiforme Simons
- Ceramium ceramicola (Lyngbye) C. Agardh
- Ceramium chalybeum (Roth) C. Agardh
- SCANNING ERROR
- Ceramium chatamense G. Feldmann
- Ceramium chilense (Kützing) Crouan fr.
- Ceramium ciliatum (Ellis) Ducluzeau
- Ceramium ciliatum Roussel
- Ceramium ciliatum [beta] acanthonotum Carmichael
- Ceramium ciliatum var. armatissimum Schiffner
- Ceramium ciliatum [alpha] ciliatum J. Agardh
- Ceramium ciliatum var. diaphanum (Kützing) Schiffner
- Ceramium ciliatum f. nanum Schiffner
- Ceramium ciliatum [beta] echinatum Hauck
- Ceramium ciliatum Ducluzeau [alpha] nitidum Moris & DeNotaris
- Ceramium ciliatum var. nudiusculum (Kützing) Schiffner
- Ceramium ciliatum f. polyspermum ('polysperma') (Shperk) Woronichin
- Ceramium ciliatum var. proliferum ('prolifera') C. Agardh
- Ceramium ciliatum var. robustum (J. Agardh) Mazoyer
- Ceramium ciliatum var. secundatum (Kützing) Schiffner
- Ceramium ciliatum var. subjulaceum Schiffner
- Ceramium ciliatum f. majus_('major') Schiffner
- Ceramium cimbricum H. Petersen
- Ceramium cimbricum f. flaccidum (H.E. Petersen) G. Furnari & D. Serio
- Ceramium cingulatum Weber-van Bosse
- Ceramium cingulatum f. majus_('major') Weber-van Bosse
- Ceramium cinnabarinum (Bonnemaison) Hauck
- Ceramium circinatum (Kützing) J. Agardh
- Ceramium circinatum f. boreale ('borealis') Foslie
- Ceramium circinatum var. confluens (Kützing) Ardissone
- Ceramium circinatum var. decipiens Schiffner
- Ceramium circinatum f. densecorticatum ('dense corticata') Woronichin
- Ceramium circinatum f. divaricatum ('divaricata') Foslie
- Ceramium circinatum var. duriusculum (Kützing) Ardissone
- Ceramium circinatum f. genuinum ('genuina') Foslie
- Ceramium circinatum f. infernecorticatum ('inferne corticata') Lakowitz
- Ceramium circinatum f. rigidum ('rigida') Foslie
- Ceramium circinatum var. syntrophum (Kützing) Schiffner
- Ceramium circinatum var. syntrophum (Kützing) Schiffner
- Ceramium circinatum f. tenue ('tenuis') Foslie
- Ceramium circinatum var. transcurrens (Kützing) Schiffner
- Ceramium cirrhosum (Wulf.) C. Agardh
- Ceramium clarionense Setchell & Gardner
- Ceramium clavigerum ('clavaegerum') Bonnemaison
- Ceramium clavigerum var. minus Bonnemaison
- Ceramium clavatum Schousboe
- Ceramium clavatum Schousboe
- Ceramium clavellosum (Turner) Roth
- Ceramium clavigerum Bonnemaison ex Chauvin
- Ceramium clavulatum C. Agardh
- Ceramium clavulatum var. borbonicum (C. Agardh) C. Agardh
- Ceramium clavulatum var. crispulum Montagne
- Ceramium clavulatum var. inerme (Kützing) [Weber-van Bosse]
- Ceramium cliftonianum J. Agardh
- Ceramium coccineum (Ellis) DC.
- SCANNING ERROR
- Ceramium coccineum [Roussel]
- Ceramium coccineum (Hudson) Bory
- Ceramium coccineum Draparnaud
- Ceramium coccineum Zanardini
- Ceramium codicola J. Agardh
- Ceramium codii (Richards) Mazoyer
- Ceramium codiophilum ('codiophila') Setchell & Gardner
- Ceramium compactum Roth
- Ceramium compactum (Bory) J. Price
- Ceramium comptum Børgesen
- Ceramium confertum Schousboe
- Ceramium confervoides Wiggers
- Ceramium confervoides Roth
- Ceramium confervoides Bory
- Ceramium confervoides Schousboe
- Ceramium confervoides var. ferrugineum 'Roth'
- Ceramium confervoides [var.] marina (Roth) Bory
- Ceramium confluens (Kützing) Ardissone
- Ceramium congestum Bonnemaison
- Ceramium connivens Zanardini
- Ceramium corallinum ('corallina') Schousboe
- Ceramium corallinum Chiaje
- Ceramium corallinum (J. Murray) Bory
- Ceramium corallinum Schousboe
- Ceramium corniculatum Montagne in litt.
- Ceramium corniculatum (Kützing) P. Crouan & H. Crouan
- Ceramium cornigerum Crouan fr.
- Ceramium cornutum P. Dangeard
- Ceramium corticatulum Kylin
- Ceramium corymbosum (J.E. Smith) C. Agardh
- Ceramium crassum Okamura
- Ceramium corymbosum J. Agardh
- Ceramium crispum Draparnaud, Herb. Mus. Paris
- Ceramium crispum Ducluzeau
- Ceramium cristatum Meneghini
- Ceramium crouanianum J. Agardh
- Ceramium cruciatum Collins & Hervey
- Ceramium cruciatum Collins & Hervey
- Ceramium cryptacanthum (Kützing) Sonder
- Ceramium cupulatum Womersley
- Ceramium cymosum Okamura in Herb.
- Ceramium cymosum Okamura in herb.
- Ceramium dalmaticum Meneghini (CAS)
- Ceramium danicum H. Petersen
- Ceramium dasytrichum Montagne
- Ceramium daviesii (Dillw.) C. Agardh
- SCANNING ERROR
- Ceramium daviesii (Dillwyn) Bonnemaison
- Ceramium daviesii [beta] secundatum (Lyngbye) Duby
- Ceramium dawsonii ('dawsoni') Joly
- Ceramium decurrens (Kützing) Kützing ex Harvey
- Ceramium decurrens [beta] majus ([Kützing]) Harvey
- Ceramium densum Roth
- Ceramium derbesii_('Derbesi') Solier
- Ceramium deschampsii Bonnemaison mscr.
- Ceramium deslongchampsii Chauvin
- Ceramium deslongchampsii var. viminarium Melvill ex G. Murray
- Ceramium deslongchampsii f. semiascendens ('semi-ascendens') J. Luca
- Ceramium desmazieri Crouan ms.
- Ceramium desmazieri Crouan mscr.
- Ceramium diaphanoides Kützing
- Ceramium diaphanum (Lightf.) Roth
- Ceramium diaphanum var. arachnoideum ('arachnoidea') C. Agardh
- Ceramium diaphanum var. arachnoides C. Agardh
- Ceramium diaphanum var. aucklandicum Hooker f. & Harvey
- Ceramium diaphanum var. borbonicum C. Agardh
- Ceramium diaphanum var. capense Simons
- Ceramium diaphanum f. capricornu ('Capri Cornu') (Reinsch) Foslie
- Ceramium diaphanum [alpha] ciliatum (Ellis) Duby
- Ceramium diaphanum Roth [beta] ciliatum (Ellis) Wallroth
- Ceramium diaphanum var. ciliatum (Ellis) Martius
- Ceramium diaphanum f. corticatulum_('corticatula') H.E. Petersen
- Ceramium diaphanum f. corticatulum (Kylin) Kylin
- Ceramium diaphanum f. corticatulostrictum ('corticatulo-stricta') Kylin
- Ceramium diaphanum Roth [beta] elegans (Roth) Roth
- Ceramium diaphanum var. fastigiatum (Roth) Ruchinger
- Ceramium diaphanum var. fastigiatum (Roth) Trevisan
- Ceramium diaphanum [beta] glabellum (DC) Duby
- Ceramium diaphanum Roth [alpha] glabellum (DC) Wallroth
- Ceramium diaphanum var. attenuatum (Meneghini) Ardissone
- Ceramium diaphanum var. breviarticulatum Ardissone
- Ceramium diaphanum var. decipiens Schiffner
- Ceramium diaphanum f. gracile Ardissone
- Ceramium diaphanum var. gracillimum (Kützing) Ardissone
- Ceramium diaphanum var. griseoviolaceum ('griseo-violaceum') (Roth) Roth
- Ceramium diaphanum var. herbaceum (Roth) Roth
- Ceramium diaphanum var. hyalinum (Roth) Roth
- Ceramium diaphanum f. indicum ('indica') Feldmann-Mazoyer
- Ceramium diaphanum var. lophophorum Feldmann-Mazoyer
- Ceramium diaphanum f. medium Sjöstedt
- Ceramium diaphanum var. minus_('minor') Crouan fr.
- Ceramium diaphanum var. minus_('minor') Crouan fr.
- Ceramium diaphanum f. modificatum ('modificata') H.E. Petersen
- Ceramium diaphanum var. nanum Ardissone
- Ceramium diaphanum f. patentissima Foslie
- Ceramium diaphanum var. pilosum (Roth) C. Agardh
- Ceramium diaphanum var. pulchellum (Kützing) Ardissone
- Ceramium diaphanum var. pulcher Shperk
- Ceramium diaphanum f. radiculosum ('radiculosa') (Grun.) H.E. Petersen
- Ceramium diaphanum [var.] rigidum Griff. & Harv. mscr.
- Ceramium diaphanum var. serpens Montagne
- Ceramium diaphanum f. strictum ('stricta') (Kützing) Foslie
- Ceramium diaphanum f. strictoides H.E. Petersen
- Ceramium diaphanum subf. corticulatum ('corticatula') (Kylin) H. E. Petersen
- Ceramium diaphanum f. strictotenuissimum ('stricto-tenuissima') (H.E. Petersen) Kylin
- Ceramium diaphanum var. strictum Harvey in litt.
- Ceramium diaphanum var. strictum (Kützing) Feldmann-Mazoyer
- Ceramium diaphanum var. tenue Ardissone
- Ceramium diaphanum var. tenuissimum Roth
- Ceramium diaphanum f. typicum ('typica') H.E. Petersen
- Ceramium diaphanum f. umbelliferum ('umbellifera') H. Petersen
- Ceramium diaphanum var. virescens Lyngbye
- Ceramium diaphanum f. zostericola H.E. Petersen
- Ceramium diaphanum var. zostericola (Thuret) Feldmann-Mazoyer
- Ceramium diaphanum f. acrocarpum (Kützing) Feldmann-Mazoyer
- Ceramium diaphanum f. minusculum ('minuscula') (G. Mazoyer) Feldmann-Mazoyer
- Ceramium dichotomum (L.) Roth
- Ceramium dichotomum Pius Titius in litt.
- Ceramium didymum Bonnemaison
- Ceramium diffusum (Hudson) Stackhouse
- Ceramium digenea Chiaje
- Ceramium digeneae DeNotaris
- Ceramium digitatum (Hudson) Stackhouse
- Ceramium dillwynii (Weber & Mohr) Roth
- Ceramium discorticatum Heydrich
- Ceramium divaricatum Crouan mscr.
- Ceramium divaricatum Crouan frat.
- Ceramium divaricatum Kützing
- Ceramium divaricatum Schousboe
- Ceramium divergens J. Agardh
- Ceramium divergens Schousboe
- Ceramium divergens Schousboe mscr.
- Ceramium dorsiventrale Hommersand
- Ceramium dozei Hariot
- Ceramium ducluzeaui ('Ducluzei') Bonnemaison
- Ceramium ducluzeaui var. miniatum Bonnemaison
- Ceramium ducluzeaui var. versicolor Bonnemaison
- Ceramium dudresnayi Bonnemaison
- Ceramium dumosum Mertens
- Ceramium duriusculum (Kützing) Rabenhorst
- Ceramium eatonianum (Farlow) De Toni
- Ceramium echinophorum Meneghini (CAS)
- Ceramium echionotum J. Agardh (CAS)
- Ceramium echionotum var. azoricum ('azorica') (Meneghini) Piccone
- Ceramium echionotum var. corticatum Mazoyer
- Ceramium echionotum var. mediterraneum Mazoyer
- Ceramium echionotum var. transcurrens (Kützing) Piccone
- Ceramium echionotum var. transcurrens (Kützing) Batters
- Ceramium edule Stackhouse
- Ceramium elatines Mertens ined.
- Ceramium elatinum Mertens ined. in Herb. Bonnemaison
- Ceramium elegans (Roth) Ducluzeau
- Ceramium elegans (Roth) Ruchinger
- Ceramium elegans Schousboe
- Ceramium elegans f. tenerior Schiffner
- Ceramium elegans f. nanum ('nana') Schiffner
- Ceramium elegans [alpha] genuina [Schiffner]
- Ceramium elongatum (Hudson) DC.
- SCANNING ERROR
- Ceramium elongatum (Hudson) Roth
- Ceramium elongatum (Hudson) Roth
- Ceramium elongatum [beta] denudata (Agardh) [Duby]
- Ceramium equisetifolium (Lightf.) DC.
- SCANNING ERROR
- Ceramium equisetifolium Schousboe
- Ceramium equisetoides Dawson
- Ceramium equisetoides Nakamura
- Ceramium erumpens Meneghini
- Ceramium esculentum (L.) Stackh.
- Ceramium evermannii Setchell & Gardner
- Ceramium excellens J. Agardh
- Ceramium fasciculatum Schousboe
- Ceramium fasciculatum Schousboe
- Ceramium fastigiatum (L.) Wiggers
- Ceramium fastigiatum Roth
- SCANNING ERROR
- Ceramium fastigiatum Roussel
- Ceramium fastigiatum (Roth) Ruchinger
- Ceramium fastigiatum Harvey
- Ceramium fastigiatum Harvey
- Ceramium fastigiatum f. flaccidum ('flaccida') H.E. Petersen \{pcs\}
- Ceramium fastigiatum var. pubescens (Kützing) Piccone
- Ceramium fastigiramosum Boo & In Kyu Lee
- Ceramium fastigiramosum f. flaccidum (H.E. Petersen) M. Cormaci, G. Furnari, B. Scammacca, D. Serio, Pizzuto, Alongi, & Dinaro
- Ceramium felicii Gaillon
- Ceramium ferrugineum (Roth) C. Agardh
- Ceramium ferrugineum C. Agardh
- Ceramium ferrugineum [beta] compactius C. Agardh
- Ceramium fibrillosum (Dillwyn) Mertens
- Ceramium fibrosum Roth
- Ceramium fibrosum Schousboe
- Ceramium filamentosum (Wulfen) C. Agardh
- Ceramium filamentosum Schousboe
- Ceramium filamentosum [delta] continuum C. Agardh
- Ceramium filamentosum var. friabile ('friabilis') Crouan frat.
- Ceramium filamentosum [gamma] repens C. Agardh
- Ceramium filicinum Grateloup
- Ceramium filicula Harvey mss.
- Ceramium filicula ('filiculum') Harvey ex Womersley
- Ceramium filiforme Schousboe
- Ceramium filum (L.) Wiggers
- Ceramium fimbriatum Setchell & Gardner
- Ceramium flabellatum Schousboe in coll. Hornemann
- Ceramium flabelligerum J. Agardh
- Ceramium flabelligerum var. mediterraneum F. Debray
- Ceramium flaccidum Harvey ms.
- Ceramium flaccidum Harvey mscr.
- Ceramium flaccidum (Harv. ex Kützing) Ardissone
- Ceramium flagellare (Esper) Ruchinger
- Ceramium flagelliferum Kützing
- Ceramium flavicans Schousboe
- Ceramium flavicans Schousboe
- Ceramium flavum Schousboe
- Ceramium flexuosum C. Agardh
- Ceramium flexuosum (Kützing) Grun.
- Ceramium flexuosum Schousboe
- Ceramium floccosum (O.F. Müller) Roth
- Ceramium floribundum Kützing
- Ceramium floridanum J. Agardh
- Ceramium floridulum (Dillw.) C. Agardh
- Ceramium floridum Chevallier
- Ceramium forcipatum DC.
- Ceramium forcipatum DC.
- Ceramium forcipatum [alpha] ciliatum (Ellis) DC.
- Ceramium forcipatum [beta] glabellum DC.
- Ceramium fosliei (H. Petersen) H. Petersen
- Ceramium fractum var. elongatum (Roth) Bory
- Ceramium fragile Ardissone
- Ceramium fragile Schousboe
- Ceramium friabile Schousboe
- Ceramium fructiculosum (Wulfen) Stackhouse
- Ceramium fruticulosum Mertens in herb.
- Ceramium fruticulosum Roth
- Ceramium fruticulosum (Wulfen) Stackhouse
- Ceramium fruticulosum Schousboe mss.
- Ceramium fruticulosum Schousboe mscr.
- Ceramium fruticulosum (Kützing) J. Agardh
- Ceramium fruticulosum f. dichotomum ('dichotoma') Petersen
- Ceramium fruticulosum f. penicillatum ('penicillata') (Kützing) H.E. Petersen
- Ceramium fruticulosum f. rescissum ('rescissa') (Kylin) H.E. Petersen
- Ceramium fruticulosum f. rubroides H.E. Petersen
- Ceramium fucoides (Hudson) De Candolle
- Ceramium fuliginosum Mertens mss.
- Ceramium fulvum Bertoloni
- Ceramium fulvum Schousboe
- Ceramium furcatum Schousboe
- Ceramium furcatum (H.E. Petersen) H.E. Petersen
- Ceramium furcellatum (L.) Wiggers
- Ceramium furcellatum Kützing
- Ceramium fuscum (Hudson) Roth
- Ceramium fusiferum Bonnemaison mscr.
- Ceramium gaditanum (Clemente) J. Cremades
- Ceramium gaditanum var. mediterraneum (F. Debray) J. Cremades
- Ceramium gaillonii P. Crouan & H. Crouan
- Ceramium gaillonii P. Crouan & H. Crouan (cont.)
- Ceramium gardneri Kylin
- Ceramium gasparrinii Meneghini
- Ceramium gelatinosum Schousboe
- Ceramium giacconei M. Cormaci & G. Furnari
- Ceramium gibbosum Meneghini
- Ceramium giganteum Meneghini
- Ceramium gigartinum (L.) Roth
- Ceramium glanduliferum Kylin
- Ceramium glomeratum DC.
- SCANNING ERROR
- Ceramium gobii M. Waern
- Ceramium gracile DC.
- SCANNING ERROR
- Ceramium gracile DC.
- Ceramium gracillimum C. Agardh
- Ceramium gracilliferum "Griff. & Harv."
- Ceramium gracillimum (Kützing) Zanardini
- {supplanted}
- Ceramium gracillimum var. byssoideum (Harvey) Mazoyer
- Ceramium gracillimum f. intermedium ('intermedia') Foslie
- Ceramium graecum E. Lazaridou & C.-F. Boudouresque
- Ceramium granulatum Ducluzeau
- Ceramium granulosum (J.E. Smith) C. Agardh
- SCANNING ERROR
- Ceramium grateloupii Bonnemaison
- Ceramium grateloupii Duby
- Ceramium griffithsianum (J.E. Smith) J. Agardh
- SCANNING ERROR
- Ceramium guttatum Bonnemaison
- Ceramium gymnogonium Meneghini
- Ceramium haenseleri C. Agardh mss.
- SCANNING ERROR
- Ceramium hamatispinum Dawson
- Ceramium hamatum A.D. Cotton
- Ceramium helminthochortos (Schwendimann) Roth
- Ceramium heterospinum Subramanian
- Ceramium hirsutum Roth
- Ceramium hirsutum Schousboe
- Ceramium hispidum Schousboe
- Ceramium homomalbum Mertens mscr.
- Ceramium hoodii Taylor
- Ceramium hookeri (Dillw.) C. Agardh
- SCANNING ERROR
- Ceramium hooperi Harvey
- Ceramium horridulum Silva
- Ceramium horridum Meneghini
- Ceramium horridum Setchell & Gardner
- Ceramium hospitans Zanardini
- Ceramium howei Weber-van Bosse
- Ceramium howellii Setchell & Gardner
- Ceramium hutchinsiae Mertens in literis
- Ceramium huysmansii Weber-van Bosse
- Ceramium hyalacanthum (Kützing) Sonder
- Ceramium hyalinum Rabenhorst
- Ceramium hyalinum Schousboe
- Ceramium hypnaeoides (J. Agardh) Okamura
- Ceramium hypnoides Schousboe
- Ceramium hystrix (Kützing) Frauenfeld
- Ceramium implexum Schousboe
- Ceramium inclusum [Schousboe]
- Ceramium inconspicuum Zanardini
- Ceramium incurvum (Hudson) De Candolle
- Ceramium inflexum Roth
- Ceramium interruptum (J.E. Smith) C. Agardh
- SCANNING ERROR
- Ceramium intermedium Grateloup mscr.
- Ceramium interruptum Setchell & Gardner
- Ceramium interruptum var. nigrescens C. Agardh
- Ceramium intricatum C. Agardh
- Ceramium intricatum C. Agardh \{also on card, above C. Agardh: Gaudichaud\}
- Ceramium involutum Kützing
- Ceramium irregulare Kützing
- Ceramium isogonum Harvey
- Ceramium itonoi F. Ardré
- Ceramium japonicum Okamura
- Ceramium johnstonii Setchell & Gardner
- Ceramium jolyi (Díaz-Piferrer) Ballantine & Wynne
- Ceramium julaceum (Kützing) Rabenhorst
- Ceramium kellneri Meneghini
- Ceramium kondoi Yendo
- Ceramium kondoi f. abbreviatum Nakamura
- Ceramium kondoi f. ambiguum Nakamura
- Ceramium kondoi f. trichotomum Nakamura
- Ceramium kondoi f. typicum Nakamura
- Ceramium kororensis Trono
- Ceramium kuetzingianum ('Kützingianum') Grunow
- Ceramium kuetzingianum var. subverticillatum Grunow
- Ceramium kylinii Papenfuss in herb.
- Ceramium laetum Meneghini ex Ardissone
- Ceramium laingii Reinbold mscr.
- Ceramium lamourouxii Bonnemaison
- Ceramium lamourouxii Duby
- Ceramium lanciferum Kützing
- Ceramium lanciferum var. monstrosum Kützing
- Ceramium lanuginosum (Dillw.) C. Agardh
- Ceramium lanuginosum (Dillwyn) Bonnemaison
- Ceramium laterale Schousboe
- Ceramium ledermannii Pilger
- Ceramium lenormandii Martens {nomen}
- Ceramium lenormandii Montagne
- Ceramium lenticulare Womersley
- Ceramium lentiforme A.J.K. Millar
- Ceramium leptacanthum (Kützing) Zanardini
- Ceramium leptocladum Schiffner
- Ceramium leptophloeum Kützing
- Ceramium leptosiphon Pilger
- Ceramium leptozonum M. A. Howe
- Ceramium lessonii Kützing
- Ceramium linum (Roth) DC.
- SCANNING ERROR
- Ceramium littorale (L.) C. Agardh
- Ceramium lobatum (Kützing) Shperk
- Ceramium longissimum (Gmelin) Roth
- Ceramium longissimum [beta] flagellare (Esper) Roth
- Ceramium loureiroi ('loureiri') C. Agardh
- Ceramium lucidum Grateloup
- Ceramium luetzelburgii O.C. Schmidt
- Ceramium luetzelburgii var. australe ('australis') Joly
- Ceramium lumbricale ('lumbricalis') (Roth) Lamx. {err. cit.}
- Ceramium macilentum J. Agardh
- Ceramium macrocarpum Kützing
- Ceramium macrogonium (Kützing) Ardissone
- Ceramium macrotrichum Feldmann-Mazoyer
- Ceramium manorense ('Manorensis') Anand
- Ceramium marshallense Dawson
- Ceramium maryae Weber-van Bosse
- Ceramium maryae var. tenuius_('tenuior') Weber-van Bosse
- Ceramium masonii Dawson
- Ceramium mauritianum Feldmann-Mazoyer
- Ceramium mazatlanense Dawson
- Ceramium mertensii (Turner) Roth
- Ceramium mertensii (Turner) DC.
- Ceramium mexicanum Sonder in herb. Binder
- Ceramium microcarpon Schousboe
- Ceramium millefolium Lamouroux ined.
- Ceramium miniatum C. Agardh
- Ceramium miniatum Bonnemaison
- Ceramium miniatum Suhr ex J. Agardh
- Ceramium minutulum Noda & Konno
- Ceramium minutulum Noda & Konno
- Ceramium molle Roth
- Ceramium monacanthum J. Agardh
- Ceramium monile J. Hooker & Harvey
- Ceramium monile var. crassius_('crassior') J. Agardh
- Ceramium moniliforme Bachelot de la Pylaie mscr.
- Ceramium moniliforme Bachelot de la Pylaie herb.
- Ceramium moniliforme Griffiths mscr.
- Ceramium morisianum Bertoloni
- Ceramium mucronatum Segi
- Ceramium multicapsulare (Dillw.) C. Agardh
- Ceramium multijugum Jaasund
- Ceramium multijugum Jaasund
- Ceramium musciforme (Wulfen) Ruchinger
- Ceramium muscosum Draparnaud mss.
- Ceramium myriophyllum Schousboe
- Ceramium nakamurae Dawson
- Ceramium nanum Kuehne
- Ceramium nayalii ('nayali') Nasr
- Ceramium nigricans Cabrera [mss. probably]
- Ceramium nitens (C. Agardh) J. Agardh
- Ceramium nitens Yendo in herb.
- Ceramium nobile J. Agardh
- Ceramium nodiferum (Kützing) Shperk
- Ceramium nodiferum J. Agardh
- Ceramium nodiferum J. Agardh
- Ceramium nodiferum var. moniliforme Shperk
- Ceramium nodosum (Kützing) Griff. & Harv.
- Ceramium nodosum (Kützing) Zanardini
- Ceramium nodulosum (Lightfoot) DC.
- SCANNING ERROR
- Ceramium nodulosum Ducluzeau
- Ceramium nodulosum C. Agardh
- SCANNING ERROR
- Ceramium nodulosum Ducluzeau
- Ceramium nodulosum var. barbatum (Ardissone) G. Furnari & D. Serio
- Ceramium nodulosum var. continuum Ruprecht
- Ceramium nodulosum var. minus Ruprecht
- Ceramium nodulosum var. tenue (C. Agardh) D. Serio
- Ceramium nudiusculum (Kützing) Rabenhorst
- Ceramium nudiusculum (Kützing) Zanardini
- Ceramium obesum Dawson
- Ceramium obliteratum Schousboe
- Ceramium obsoletum C. Agardh
- Ceramium ocellatum Grateloup
- Ceramium ochotense ('ochotensis') Okamura in herb.
- Ceramium opacum Rafinesque
- Ceramium oppositum Schousboe
- Ceramium opuntia Schousboe
- Ceramium ordinatum Kützing
- Ceramium ornatum Setchell & Gardner
- Ceramium orthocladum Schiffner
- Ceramium orthocladum f. maximum ('maxima') Schiffner
- Ceramium orthocladum f. nanum ('nana') Schiffner
- Ceramium orsinianum Meneghini
- Ceramium pacificum (Collins) Kylin
- Ceramium pallens Zanardini
- Ceramium pallidum Nägeli ms.
- Ceramium pallidum (Kützing) C.A. Maggs & M.H. Hommersand
- Ceramium palmatum Stackh.
- Ceramium paniculatum Schousboe
- Ceramium paniculatum Okamura
- Ceramium papenfussianum Simons
- Ceramium parvulum Zanardini
- Ceramium parvulum (Zanardini) Grunow ex Frauenfeld
- Ceramium patens Greville
- Ceramium patens Meneghini
- Ceramium pedicellatum DC.
- SCANNING ERROR
- Ceramium pedicellatum (J.E. Smith) C. Agardh
- Ceramium pedicellatum (Dillw.) C. Agardh
- Ceramium pedicellatum (J. Agardh) J. Agardh
- Ceramium pedicellatum var. minus Desmazières
- Ceramium pediculus_('Pediculum') Suhr
- Ceramium pediculus_('pediculum') Suhr
- Ceramium pellucidum Grev. & Harv.
- Ceramium pellucidum (Kützing) Zanardini
- Ceramium pellucidum (Ku\*:tzing) Rabenhorst
- Ceramium penicillatum DC.
- Ceramium penicillatum Ducluzeau
- Ceramium penicillatum Bory
- Ceramium penicillatum Areschoug
- Ceramium penna Schousboe
- Ceramium pennatum (Hudson) Roth
- Ceramium pennatum Roth
- Ceramium pennatum Chiaje
- Ceramium pennatum Crouan frat.
- Ceramium pennatum Crouan ex J. Agardh
- Ceramium personatum Setchell & Gardner
- Ceramium persoonii C. Agardh {ined.}
- Ceramium petitii G. Feldmann
- Ceramium phyllitis (Stackhouse) Stackhouse
- Ceramium phyllospermum Schousboe
- Ceramium pictaviense Delêtre
- Ceramium piliferum Schousboe
- Ceramium piliferum Schousboe
- Ceramium pilosum (Roth) Naccari
- Ceramium pilosum Bertoloni
- Ceramium pilosum Schousboe
- Ceramium pinastroides (Gmelin) Stackhouse
- Ceramium pinnatum Schousboe
- Ceramium pinnulatum C. Agardh
- Ceramium pinnulatum var. majus_('major') C. Agardh
- Ceramium planum Kützing
- Ceramium pleurosporum Schiffner
- Ceramium pleurosporum f. nanum ('nana') Schiffner prov.
- Ceramium plicatum (Hudson) Roth
- Ceramium plicatum Meneghini
- Ceramium plocamium (Gmelin) Roth
- Ceramium pluma (Dillwyn) C. Agardh
- Ceramium pluma Schousboe
- Ceramium plumosum (Hudson) Roth
- Ceramium plumula (Ellis) C. Agardh
- SCANNING ERROR
- Ceramium plumula var. subverticillatum Bonnemaison
- Ceramium poeppigianum Grunow
- Ceramium poeppigianum subsp. unilaterale Hommersand
- Ceramium polyceras (Kützing) Zanardini
- Ceramium polygonum (Kützing) Shperk
- Ceramium polymorphum (L.) DC.
- SCANNING ERROR
- Ceramium polyspermum Shperk
- Ceramium polyspermum Crouan frat.
- Ceramium procumbens Setchell & Gardner
- Ceramium proliferum Yates
- Ceramium proliferum (Lyngbye) H. E. Petersen
- Ceramium proliferum f. secundatum ('secundata') (Lyngbye) H. E. Petersen
- Ceramium prorepens Grun.
- Ceramium prostratum Dawson
- Ceramium pseudostrictum Schiffner
- Ceramium pseudostrictum f. majus_('major') Schiffner
- Ceramium pseudostrictum f. minus_('minor') Schiffner
- Ceramium pseudostrictum f. nanum ('nana') Schiffner
- Ceramium pteroma Schousboe
- Ceramium ptilocladioides R.E. Norris & I.A. Abbott
- Ceramium puberulum Sonder
- Ceramium puberulum var. crassius_('crassior') J. Agardh
- Ceramium puberulum [beta] monile (Hooker & Harvey) J. Agardh
- Ceramium pulchellum C. Agardh
- Ceramium pulchellum Grateloup ined.
- Ceramium pulchellum Grateloup in litt.
- Ceramium pulchellum Grateloup mscr.
- Ceramium pulchellum (Kützing) Grun.
- Ceramium pulchellum Schousboe
- Ceramium pulchellum var. chalybeum (Roth) C. Agardh
- Ceramium pulvereum (Dillw.) C. Agardh
- SCANNING ERROR
- Ceramium pulvinatum ('pluvinatum') Mertens
- Ceramium pumilum Okamura mscr.
- Ceramium punctatum Grateloup mscr.
- Ceramium punctatum Schousboe
- Ceramium punctiforme Setchell
- Ceramium purpurascens Wallroth
- Ceramium purpureum Chiaje
- Ceramium purum Roth
- Ceramium pusillum Harvey
- Ceramium pusillum Schousboe
- Ceramium pusillum var. lanceolatum J. Agardh
- Ceramium pygmaeum (Kützing) Sonder
- Ceramium pygmaeum (Kützing) Ardissone
- Ceramium pyramidatum Schousboe
- Ceramium racemosum Schousboe
- Ceramium radicans Hofm.
- Ceramium radicans Ardissone
- Ceramium radicans Schousboe
- Ceramium radicans Schousboe
- Ceramium radicans Schousboe
- Ceramium radiculosum Grunow in litt.
- Ceramium radiculosum var. majus_('major') Schiffner
- Ceramium radiculosum f. venetum ('veneta') Schiffner
- Ceramium ramulosum Hooker f. & Harv.
- Ceramium ramulosum Mertens mscr. in Hb. Ag.
- Ceramium ramulosum Meneghini
- Ceramium ramulosum f. nanum ('nana') Schiffner
- Ceramium recticorticum Dawson
- Ceramium repens (Dillw.) C. Agardh
- SCANNING ERROR
- Ceramium repens Zanardini
- Ceramium repens Harvey
- Ceramium repens var. saxatile Bonnemaison
- Ceramium repens var. spinosissimum Zanardini
- Ceramium repens [beta] tenellum (Dillw.) C. Agardh
- Ceramium rescissum Kylin
- Ceramium reticulatum Lyngbye mascr. in Herb. Lyngbye
- Ceramium rhizodes C. Agardh
- SCANNING ERROR
- Ceramium rhizophorum (Montagne) De Toni
- Ceramium rigens Schousboe
- Ceramium rigidulum Griff. & Harvey ms.
- Ceramium rigidulum Schousboe \{also on card, after rigidulum: (et rigidum)\}
- Ceramium rigidum Ardissone
- Ceramium rigidum Schousboe
- Ceramium robustum J. Agardh
- Ceramium robustum H.E. Petersen
- Ceramium roettleri Roth
- Ceramium rosenvingii H.E. Petersen
- Ceramium rosenvingii f. intermedium ('intermedia') H.E. Petersen
- Ceramium rosenvingii f. tenue ('tenuis') H.E. Petersen
- Ceramium rosenvingii f. transgrediens H.E. Petersen
- Ceramium roseolum C. Agardh
- Ceramium roseolum Crouan
- Ceramium roseum Roth
- Ceramium roseum Roth (cont.)
- Ceramium roseum Roth [beta] majus Roth
- Ceramium roseum var. viscidulum Bonnemaison
- Ceramium rothii (Turton) W. J. Hooker
- Ceramium rothii (Turton) C. Agardh
- Ceramium rothii Schousboe
- Ceramium rubriforme Kylin
- Ceramium rubrum (Hudson) C. Agardh
- Ceramium rubrum var. ambiguum Schiffner
- Ceramium rubrum [var.] australe Harvey [in herb. fide Womersley]
- Ceramium rubrum f. balticum ('baltica') H.E. Petersen
- Ceramium rubrum [var.] barbatum Ardissone
- Ceramium rubrum f. barbatum ('barbata') (Ardissone) Hauck \{pcs\}
- Ceramium rubrum var. botryoides Montagne
- Ceramium rubrum var. corymbiferum (Bonnem.) J. Agardh
- Ceramium rubrum f. corymbiferum J. Agardh
- Ceramium rubrum var. corymbiferum Hariot
- Ceramium rubrum var. decurrens (Kützing) J. Agardh
- Ceramium rubrum var. decurrens (Harv.) Le Jolis
- Ceramium rubrum f. decurrens J. Agardh
- Ceramium rubrum f. decurrentoides H.E. Petersen
- Ceramium rubrum var. diaphanum Crouan frat.
- Ceramium rubrum f. diaphanum ('diaphana') Gobi
- Ceramium rubrum var. divaricatum C. Agardh
- Ceramium rubrum f. divaricatum ('divaricata') H.E. Petersen
- Ceramium rubrum var. fasciculatum (Bonnem.) J. Agardh
- Ceramium rubrum f. fasciculatum J. Agardh
- Ceramium rubrum [var.] fastigiatum Wollny
- Ceramium rubrum var. firmum C. Agardh
- Ceramium rubrum f. furcatum ('furcata') H. Petersen
- Ceramium rubrum f. genuinum ('genuina') Kjellman
- Ceramium rubrum var. implexocontortum ('implexo-contortum') Solier
- Ceramium rubrum var. involutum (Kützing) Piccone
- Ceramium rubrum var. involutum (Kützing) Piccone
- Ceramium rubrum f. irregulare ('irregularis') H.E. Petersen
- Ceramium rubrum f. laxum ('laxa') H. E. Petersen in litt.
- Ceramium rubrum var. liebetruthii Grunow
- Ceramium rubrum f. lineare ('linearis') H.E. Petersen
- Ceramium rubrum f. lineatum ('lineata') H.E. Petersen
- Ceramium rubrum [beta] maculatum S. F. Gray
- Ceramium rubrum var. majus_('major') C. Agardh
- Ceramium rubrum var. membranaceum C. Agardh
- Ceramium rubrum f. modificatum ('modificata') H.E. Petersen
- Ceramium rubrum var. nitens C. Agardh
- Ceramium rubrum [alpha] nodulosum (Hudson) Duby
- Ceramium rubrum var. nodulosum [Montagne]
- Ceramium rubrum var. pacificum Collins Herb.
- Ceramium rubrum var. pacificum Collins
- Ceramium rubrum var. pacificum Collins
- Ceramium rubrum var. pacificum Collins (cont.)
- Ceramium rubrum (Hudson) C. Agardh [beta] pallens C. Agardh
- Ceramium rubrum [beta] pedicellatum (DC.) Duby
- Ceramium rubrum var. pedicellatum (DC) Duby
- Ceramium rubrum f. pedicellatum J. Agardh
- Ceramium rubrum var. pedicellatum Shperk
- Ceramium rubrum var. pennatum Crouan mscr.
- Ceramium rubrum [beta] proliferum Lyngbye
- Ceramium rubrum var. proliferum C. Agardh
- Ceramium rubrum subsp. proliferum (Lyngbye) J. Agardh
- Ceramium rubrum [gamma] proliferum Harvey
- Ceramium rubrum var. proliferum Hariot
- Ceramium rubrum subf. botryocarpum ('botryocarpa') (Harv.) Foslie
- Ceramium rubrum subf. proliferum J. Agardh
- Ceramium rubrum f. secundatum J. Agardh
- Ceramium rubrum subf. secundatum (Lyngbye) Børgesen
- Ceramium rubrum subf. secundatum (Lyngbye) Foslie
- Ceramium rubrum f. secundatum (Lyngbye) J. Agardh
- Ceramium rubrum [beta] pygmaeum Sonder
- Ceramium rubrum f. radians H.E. Petersen
- Ceramium rubrum [var.] ramellosum Ardissone
- Ceramium rubrum var. repens (Zanardini) Zanardini
- Ceramium rubrum var. secundatum (Lyngbye) C. Agardh
- Ceramium rubrum var. secundatum (Lyngbye) Harvey
- Ceramium rubrum var. secundatum (Lyngbye) Kützing
- Ceramium rubrum subsp. secundatum (Lyngbye) J. Agardh
- Ceramium rubrum f. secundatum ('secundata') (Lyngbye) H.E. Petersen
- Ceramium rubrum [epsilon] squarrosum Harvey
- Ceramium rubrum f. subcorticatum ('subcorticata') H.E. Petersen
- Ceramium rubrum f. subtypicum ('subtypica') H.E. Petersen
- Ceramium rubrum [subf.] aestivum ('aestiva') H.E. Petersen
- Ceramium rubrum [subf.] hiemale ('hiemalis') H.E. Petersen
- Ceramium rubrum var. tenue C. Agardh
- Ceramium rubrum f. tenue J. Agardh
- Ceramium rubrum var. tenue Kützing
- Ceramium rubrum subsp. tenue (C. Agardh) Ardissone
- Ceramium rubrum f. tenue ('tenuis') (Agardh) [Børgesen]
- Ceramium rubrum f. typicum ('typica') H.E. Petersen
- Ceramium rubrum f. typicum [Reinke]
- Ceramium rubrum f. virgatum J. Agardh
- Ceramium rubrum var. virgatum C. Agardh
- Ceramium rugosum Lamouroux
- Ceramium rupestre (L.) DC.
- SCANNING ERROR
- Ceramium rupestre var. tenuissimum ('tenuissima') Lamouroux
- Ceramium sandrianum Meneghini
- Ceramium saviniae Feldmann-Mazoyer
- Ceramium scandinavicum H. Petersen
- Ceramium scoparium (L.) DC.
- Ceramium scoparium (L.) Roth
- Ceramium scoparium (L.) DC.
- Ceramium scopulorum C. Agardh
- Ceramium scorpioides (Hudson) Roth
- Ceramium secundatum Lyngbye
- Ceramium secundatum Lyngbye (cont.)
- Ceramium secundatum Lyngbye (cont.)
- Ceramium secundatum (Lyngbye) C. Agardh
- Ceramium septentrionale H.E. Petersen
- Ceramium septentrionale f. fosliei H. E. Petersen
- Ceramium sericeum (Hudson) DC.
- Ceramium sericeum (Mueller) Bory
- Ceramium seriosporum E.Y. Dawson
- Ceramium serpens Setchell & Gardner
- Ceramium sertularioides Draparnaud ined.
- Ceramium sertularioides Grateloup
- Ceramium setaceum (Wulfen) Ruchinger
- Ceramium setaceum (Hudson) Duby
- Ceramium setaceum (Hudson) Wallroth
- Ceramium setchellii Lucas
- Ceramium setosum Schousboe
- Ceramium shepherdii Womersley
- Ceramium shuttleworthianum (Kützing) Rabenhorst
- Ceramium siliculosum (Dillw.) C. Agardh
- SCANNING ERROR
- Ceramium siliculosum [beta] atrovirens C. Agardh
- Ceramium siliculosum [gamma] ferrugineum (Roth) C. Agardh
- Ceramium siliculosum [delta] nebulosum C. Agardh
- Ceramium siliquosum J. Agardh mscr.
- Ceramium siliquosum Schousboe
- Ceramium siliquosum (Kützing) C.A. Maggs & M.H. Hommersand
- Ceramium siliquosum var. lophophorum (Feldmann-Mazoyer) D. Serio
- Ceramium simplex C. Agardh
- Ceramium simplicifilum DC.
- SCANNING ERROR
- Ceramium sinicola Setchell & Gardner
- Ceramium sinicola var. interruptum (Setchell & Gardner) Dawson
- Ceramium sinicola var. johnstonii (Setchell & Gardner) Dawson
- Ceramium sinicola var. typicum Dawson
- Ceramium skottsbergii H.E. Petersen
- Ceramium speciosum Bachelot de la Pylaie mscr.
- Ceramium speciosum Bachelot de la Pylaie herb.
- Ceramium spicatum Schousboe
- Ceramium spiniferum Kützing
- Ceramium spinosopilosum ('spinoso-pilosum') Kützing
- Ceramium spinosum (L.) Ruchinger
- Ceramium spinulosum [Biasoletto]
- Ceramium spinulosum (Kützing) Rabenhorst
- Ceramium spinulosum Schousboe
- Ceramium spongiosum Crouan fr.
- Ceramium spongiosum (Hudson) DC.
- SCANNING ERROR
- Ceramium pyridioides G. Feldmann
- Ceramium squamosum Rafinesque
- Ceramium squarrosum (Harvey) J. Agardh
- Ceramium stichidiosum J. Agardh
- Ceramium stichidiosum J. Agardh
- Ceramium stichidiosum var. scopulorum Laing
- Ceramium stichidiosum var. smithii Laing
- Ceramium striatum Schousboe in herb.
- Ceramium striatum Schousboe
- Ceramium striatum Schousboe
- Ceramium strictoides Crouan fr.
- Ceramium strictoides Crouan
- Ceramium strictum (Mertens ex Dillwyn) Roth
- Ceramium strictum Greville & Harvey
- Ceramium strictum (Kützing) Rabenhorst
- Ceramium strictum var. acrocarpum (Kützing) Schiffner
- Ceramium strictum var. breviarticulatum ('brevi articulatum') Ardissone
- Ceramium strictum f. corticatulostrictum ('corticatulo-strictum') (Kylin) Sjöstedt
- Ceramium strictum var. delicatum ('delicata') (Clemente) J. Agardh
- Ceramium strictum f. divaricatum ('divaricata') Holmes & Batters
- Ceramium strictum f. nanum ('nana') Schiffner \{pcs\}
- Ceramium strictum f. proliferum Collins
- Ceramium strictum f. proliferum F.S. Collins
- Ceramium strictum var. strictum ('stricta') J. Agardh
- Ceramium strictum var. strictum ('stricta') J. Agardh
- Ceramium strictum f. strictoides (H. E. Petersen) Sjöstedt
- Ceramium strictum f. strictotenuissimum ('stricto-tenuissima') H.E. Petersen
- Ceramium strictum f. verum ('vera') H.E. Petersen
- Ceramium strictum f. vertebrale (H. E. Petersen) H. E. Petersen
- Ceramium strictum var. zostericola Thuret
- Ceramium strictum f. acrocarpum (Kützing) Mazoyer
- Ceramium strictum f. minusculum ('minuscula') Mazoyer
- Ceramium strobiliforme Lawson & John
- Ceramium subarticulatum Mertens mscr.
- Ceramium subcartilagineum J. Agardh
- Ceramium subdichotomum Weber-van Bosse
- Ceramium subfuscum (Woodw.) Stackhouse
- Ceramium subsimplex Schousboe
- Ceramium subtile J. Agardh
- Ceramium subtile Zanardini
- Ceramium subulatum Ducluzeau
- Ceramium subverticillatum (Grunow) Weber-van Bosse
- Ceramium subvirgatum Zanardini
- Ceramium suhrianum P.C. Silva
- Ceramium sympodiale Dawson
- Ceramium syntrophum (Kützing) Ardissone
- Ceramium tasmanicum (Kützing) Okamura
- Ceramium tasmanicum (Kützing) Womersley
- Ceramium taylorii Dawson
- Ceramium teedei ('teedii') Mertens ex Roth
- Ceramium templetonii Setchell & Gardner
- Ceramium tenellum (Vahl) C. Agardh
- Ceramium tenerrimum (Mart.) Okamura
- Ceramium tenerrimum var. brevizonatum (H. E. Petersen) Mazoyer
- Ceramium tenue C. Agardh in Herb.
- Ceramium tenue (J. Agardh) J. Agardh
- Ceramium tenuicorne Waern
- Ceramium tenuicorne (Kützing) Waern
- Ceramium tenuicorticatum Konno
- Ceramium tenuissimum Bonnemaison
- Ceramium tenuissimum (Roth) Areschoug
- Ceramium tenuissimum Schousboe
- Ceramium tenuissimum var. arachnoideum (C. Agardh) J. Agardh
- Ceramium tenuissimum f. divaricatum ('divaricata') (Crouan) Foslie
- Ceramium tenuissimum f. moniliforme (Shperk) Woronichin
- Ceramium tenuissimum var. pygmaeum (Kützing) Hauck
- Ceramium tenuissimum f. radicans Reinbold mss.
- Ceramium tenuissimum var. tenellum Mazoyer
- Ceramium tenuissimum var. uniforme Bonnemaison
- Ceramium tetragonum (Stackh.) C. Agardh
- Ceramium tetragonum Mertens
- Ceramium tetragonum (With.) Kützing
- SCANNING ERROR
- Ceramium tetricum (Dillw.) C. Agardh
- SCANNING ERROR
- Ceramium tetricum var. pectinatum C. Agardh
- Ceramium thuioides_('thuyoides') (J.E. Smith) C. Agardh
- SCANNING ERROR
- Ceramium thuioides_('thuyoides') (J.E. Smith) Bonnemaison
- Ceramium thymifolium Schousboe
- Ceramium tomentosum (Hudson) Roth
- SCANNING ERROR
- Ceramium tomentosum (Hudson) C. Agardh
- Ceramium tomentosum [beta] ferrugineum Roth
- Ceramium tomentosum [gamma] minus Roth
- SCANNING ERROR
- Ceramium tortuosum Ducluzeau
- Ceramium torulosum Roth
- Ceramium torulosum J. Agardh
- Ceramium torulosum Schousboe
- Ceramium tranquebariense Roth
- Ceramium transcurrens (Kützing) Ardissone
- Ceramium transcurrens (Kützing) Ardissone
- Ceramium transfugum (Kützing) Ardissone
- Ceramium transversale Collins & Hervey
- Ceramium transversale Collins & Hervey
- Ceramium trichocladis C. Agardh
- Ceramium trichodes Schousboe
- Ceramium truncatum H. E. Petersen
- Ceramium tuberculosum Roth
- Ceramium tubulosum Roth
- Ceramium tumidulum Meneghini
- Ceramium turgidum Schousboe
- Ceramium turneri Roth
- Ceramium turneri var. radicans Bonnemaison
- Ceramium uncinatum Harvey
- Ceramium ungulatum Suhr in herb. Binder
- Ceramium ungulatum (Kützing) Hariot
- Ceramium uniforme (Esper) Ruchinger
- Ceramium uniforme Meneghini
- Ceramium unilaterale Schousboe
- Ceramium urceolatum (Dillwyn) Jürgens
- Ceramium uruguayense W. R. Taylor
- Ceramium vagabundum (L.) Roth
- Ceramium vagabundum_('vagabunde') Dawson
- Ceramium vagans P. C. Silva
- Ceramium variegatum Roth
- Ceramium variegatum (Kützing) Okamura
- Ceramium vatovae_('Vatovai') Schiffner
- Ceramium vendlicum H.E. Petersen
- Ceramium venetum Zanardini
- Ceramium verongiae D.L. Ballantine & M.J. Wynne
- Ceramium verrucosum Roth
- Ceramium verrucosum Roth
- Ceramium versicolor C. Agardh
- Ceramium versicolor Draparnaud ined.
- Ceramium vertebrale H.E. Petersen
- Ceramium verticillatum Chiaje
- Ceramium verticillatum (Lightf.) DC.
- SCANNING ERROR
- Ceramium verticillatum (Lightfoot) Ducluzeau
- Ceramium vestitum Harvey
- Ceramium vietnamense Pham-Hoàng Ho
- Ceramium villosum Kützing
- Ceramium villosum Kützing
- Ceramium vimineum J. Agardh
- Ceramium violaceum Roth
- Ceramium violaceum Roth [gamma] alochrous Roth
- Ceramium violaceum Roth [beta] tenuius Roth
- Ceramium virgatum Roth
- Ceramium virgatum [(C. Agardh)] Chevallier
- Ceramium virgatum Hooker f. & Harvey
- Ceramium virgatum Schousboe
- Ceramium viride Filarszky
- Ceramium viscainoense Dawson
- Ceramium washingtoniense Kylin
- Ceramium wulfenii Roth
- Ceramium wulfenii Schousboe
- Ceramium youngii Farlow mscr.
- Ceramium zacae Setchell & Gardner
- Ceramium zebrinum J. Agardh
- CERAMOPSIS Palisot de Beauvois \{also on card: Algues sect. Scutoides\}
- CERAMOTHAMNION Herbert M. Richards
- Ceramothamnion codii Herbert M. Richards
- Ceramothamnion codii var. hawaiiense Kajimura
- CERASTERIAS Reinsch
- CERASTERIAS (Reinsch) Wille \{also on card: Section of Tetraedron\}
- Cerasterias irregularis G.M. Smith
- Cerasterias longispina (Perty) Reinsch
- Cerasterias longispina var. hexactina ('hexactinum') W. West
- Cerasterias nivalis Bohlin
- Cerasterias raphidioides Reinsch
- Cerasterias raphidioides var. inaequale Reinsch
- Cerasterias raphidioides var. incrassata ('incrassatum') Reinsch
- Cerasterias raphidioides f. obtusata Reinsch
- Cerasterias raphidioides f. octodens Reinsch
- Cerasterias raphidioides f. tetradens Reinsch
- Cerasterias raphidioides f. tridens Reinsch
- Cerasterias staurastroides W. West & G.S. West
- CERATAULINA H. Peragallo
- Cerataulina bergonii (H. Peragallo) Schütt
- Cerataulina bergonii var. elongata Schröder
- Cerataulina bicornis (Ehrenberg) Hasle
- Cerataulina chapmanii Crosby & Wood
- Cerataulina compacta Ostenfeld
- Cerataulina cretacea Hajós (CAS)
- Cerataulina curvata E. J. F. Wood
- Cerataulina daemon (Greville) Hasle
- Cerataulina dentata Hasle
- Cerataulina mediterranea Schiller
- Cerataulina praebergonii Hajós (CAS)
- Cerataulina velifera Mereschkowsky (CAS)
- CERATAULUS Ehrenberg
- CERATAULUS (Ehr.) Schütt \{also on card: Subsection of Biddulphia\}
- Cerataulus azoricus Pavillard (CAS)
- Cerataulus azoricus Pavillard (CAS)
- Cerataulus bergonii H. Peragallo
- Cerataulus boryanus Pantocsek (CAS)
- Cerataulus californicus Schmidt
- Cerataulus chinensis Grunow \{also on card, after Cerataulus: (Laevis var.?)\}
- Cerataulus deflandrei Chenevière
- Cerataulus dianae Ehrenberg
- Cerataulus galapagensis (Cleve) Schmidt
- Cerataulus hungaricus Pantocsek \{also on card, after Cerataulus: (Thumii var.?)\}
- Cerataulus hustedtii Amossé (CAS)
- Cerataulus imperator Hanna & Grant (CAS)
- Cerataulus japonicus Pantocsek (CAS)
- Cerataulus johnsonianus (Greville) Cleve (CAS)
- Cerataulus kinkeri Schmidt
- Cerataulus labuani Cleve
- Cerataulus labuensis Cleve (CAS)
- Cerataulus labuensis var. linearis Amossé (CAS)
- Cerataulus laevis (Ehrenberg) Ralfs
- Cerataulus laevis var. chinensis Grunow (CAS)
- Cerataulus laevis var. pangeroni Leuduger-Fortmorel (CAS)
- Cerataulus laevis var. schmidtii Forti
- Cerataulus laevis f. trimerus ('trimera') Forti
- Cerataulus laevis var. thermalis Grunow
- Cerataulus laevis var. thomei Leuduger-Fortmorel
- Cerataulus laevis var. typicus ('typica') Forti
- Cerataulus marginatus Grove & Sturt (CAS)
- Cerataulus orbicularis Forti (CAS)
- Cerataulus orbicularis var. lacustris (Holmboe) Forti
- Cerataulus ovalis Schmidt
- Cerataulus pacificus Grunow
- Cerataulus pacificus M. Hajós
- Cerataulus peragalloi Pantocsek (CAS)
- Cerataulus petitii ('petiti') Leuduger-Fortmorel
- Cerataulus polymorphus (Montagne) Van Heurck
- Cerataulus polymorphus f. minor Van Heurck (CAS)
- Cerataulus polymorphus var. petitii ('petiti') (Leuduger-Fortmorel) Forti
- Cerataulus radiatus R. Ross
- Cerataulus reichardtii ('Reichardti') Grunow
- Cerataulus reversa Grove & Sturt
- Cerataulus rotundatus Shibkova
- Cerataulus rotundus Tempère & Brun
- Cerataulus smithii Ralfs
- Cerataulus socotrensis F. Kitton
- Cerataulus subangulatus Grove & Sturt
- Cerataulus thermalis (Meneghini) Ralfs
- Cerataulus thermalis var. sinensis (Grunow) Forti (CAS)
- Cerataulus thermalis f. ceylonicus ('ceylonica') Skvortsov
- Cerataulus thumii Schmidt
- Cerataulus thumii var. hungaricus Pantocsek
- Cerataulus titianus Grunow (CAS)
- Cerataulus turgidus (Ehrenberg) Ehrenberg (CAS)
- Cerataulus turgidus var. hispidissimus ('hispidissima') Pantocsek
- Cerataulus turgidus var. polyceros Castracane
- Cerataulus weissflogii Pantocsek (CAS)
- CERATIOPSIS De Wildeman
- CERATIOPSIS Vozzhennikova
- CERATIOPSIS Vozzhennikova
- Ceratiopsis diebelii_('diebeli') (Alberti) Vozzhennikova
- Ceratiopsis diebelii f. brevicornis Vozzhennikova
- Ceratiopsis leptoderma Vozzhennikova
- Ceratiopsis leptoderma f. minor Vozzhennikova
- Ceratiopsis markovii ('markovi') Vozzhennikova
- Ceratiopsis obliquipes (Deflandre & Cookson) Lentin & G. L. Williams