Note: the list below of taxonomic placing of genera was revised in November 2016, using AlgaeBase. The higher-level taxonomic placing of certain genera may differ from that shown under each genus or species on this website, because some of these have not yet been updated. When in doubt see AlgaeBase.org
CLASS BANGIOPHYCEAE
Sub Class Bangiophycidae
Order Bangiales
FAMILY BANGIACEAE
Porphyra capensis Kützing
Porphyra sp. 1
CLASS STYLONEMATOPHYCEAE
Order Stylonematales
FAMILY STYLONEMATACEAE
Stylonema alsidii (Zanardini) Drew
Stylonema cornu-cervi Reinsch (see under S. alsidii)
CLASS COMPSOPOGONOPHYCEAE
Order Erythropeltidales
FAMILY ERYTHROTRICHIACEAE
Erythrotrichia bertholdii Batters
Erythrotrichia platyphylla Stegenga, Engledow, Bolton & Anderson
Erythrotrichia welwitschii (Ruprecht) Batters
Membranella africana Stegenga, Bolton & Anderson
Porphyrostromium boryanum (Montagne) P.C. Silva in Silva, Basson & Moe
Sahlingia subintegra (Rosenvinge) Kornmann
CLASS FLORIDEOPHYCEAE
Sub Class Hildenbrandiophycidae
Order Hildenbrandiales
FAMILY HILDENBRANDIACEAE
Hildenbrandia lecanellierii Hariot
Hildenbrandia rubra (Sommerfelt) Meneghini
Sub Class Nemaliophycideae
Order Acrochaetiales
FAMILY ACROCHAETIACEAE
Acrochaetium brebneri (Batters) G. Hamel
Acrochaetium catenulatum M.A.Howe
Acrochaetium hlulekaense Stegenga
Acrochaetium moniliforme (Rosenvinge) Børgesen
Acrochaetium reductum (Rosenvinge) G.Hamel
Acrochaetium tenuissimum (F.S.Collins) Papenfuss
Order Colaconematales
FAMILY COLACONEMATACEAE
Colaconema caespitosum (J.Agardh) Jackelman, Stegenga & J.J.Bolton
Colaconema codicola (Børgesen) H.Stegenga, J.J.Bolton, & R.J.Anderson
Colaconema daviesii (Dillwyn) Stegenga
Colaconema dictyotae (Collins) I.-K.Hwang & H.-S.Kim
Colaconema endophyticum (Batters) J.T.Harper & G.W.Saunders
Colaconema interpositum (Heydrich) H.Stegenga, J.J.Bolton & R.J.Anderson
Colaconema nemalionis (De Notaris ex L. Dufour) Stegenga
Colaconema pectinatum (Kylin) J.T.Harper & G.W.Saunders
Colaconema seriatum (Børgesen) Stegenga
Colaconema spongicola (Weber-van Bosse) Woelkerling
Order Nemaliales
FAMILY GALAXAURACEAE
Dichotomaria diesingiana (Zanardini) Huisman, J.T. Harper & G.W. Saunders
Dichotomaria hommersandii L. Liu & S-M Lin
Dichotomaria obtusata (J. Ellis & Solander) J.V. Lamouroux
Dichotomaria tenera (Kjellman) Huisman, J.T. Harper & G.W. Saunders
FAMILY HELMINTHOCLADACEAE
Helminthocladia australis Harvey
Helminthora furcellata (Reinbold in Tyson) Martin
FAMILY SCINAIACEAE
Nothogenia erinacea (Turner) Parkinson
Nothogenia ovalis (Suhr) Parkinson
Scinaia capensis (Setchell) Huisman
Scinaia salicorniodes (Kützing) J. Agardh
Order Gelidiales
FAMILY GELIDIACEAE
Gelidium abbottiorum R. Norris
Gelidium arenarium Kylin
Gelidium capense (S.G. Gmelin) P.C.Silva in P.C.Silva, E.G.Meñez, & Moe
Gelidium crinale (Hare ex Turner) Gaillon
Gelidium declerckii E. M. Tronchin in Millar and Freshwater
Gelidium foliaceum (Okamura) E. M. Tronchin
Gelidium isabelae W.R.Taylor
Gelidium micropterum Kutzing
Gelidium pristoides (Turner) Kützing
Gelidium pteridifolium R.E. Norris, Hommersand and Fredericq
Gelidium reptans (Suhr) Kylin
Pterocladiella caespitosa (Kylin) Santelices
Pterocladiella caloglossoides (M.A. Howe) Santelices
Ptilophora diversifolia (Suhr) Papenfuss
Ptilophora pinnatifida J. Agardh
Order Palmariales
FAMILY RHODOTHAMNIELLACEAE
Rhodothamniella floridula (Dillwyn) Feldmann in T.Christensen
FAMILY MEIODISCACEAE
Meiodiscus concrescens (K.M.Drew) P.W.Gabrielson in Gabrielsen et al.
Sub Class Rhodymeniophycidae
Order Bonnemaisoniales
FAMILY BONNEMAISONIACEAE
Asparagopsis armata Harvey
Asparagopsis taxiformis (Delile) Trevisan de Saint-Léon
Delisea flaccida (Suhr) Papenfuss
Order Peyssonneliales
FAMILY PEYSSONNELIACEAE
Peyssonnelia atropurpurea Crouan & Crouan
Peyssonnelia replicata Kützing
Sonderopelta capensis (Montagne) D.M. Krayesky
Order Halymeniales
FAMILY HALYMENIACEAE
Codiophyllum natalense J. E. Gray
Cryptonemia natalensis (J. Agardh) Chiang
Grateloupia capensis O. De Clerck ex De Clerck, Gavio, Fredericq, Barbara & Coppejans
Pachymenia cornea (Kützing) Chiang
Pachymenia ulvoidea (F. Schmitz) L. Russell in Russell, Hurd, Nelson & Broom
Polyopes constrictus (Turner) J. Agardh
Prionitis filiformis Kylin
Prionitis nodifera (Hering) Barton
Order Gracilariales
FAMILY GRACILARIACEAE
Gracilaria aculeata (Hering) Papenfuss
Gracilaria beckeri (J.Agardh) Papenfuss
Gracilaria capensis F. Schmitz ex Mazza
Gracilaria denticulata F. Schmitz ex Mazza
Gracilaria gracilis (Stackhouse) M.Steentoft, L.M.Irvine & W.F.Farnham
Gracilariopsis funicularis Iyer, Bolton & Coyne
Gracilariopsis longissima (S.G.Gmelin) M.Steentoft, L.M.Irvine & W.F.Farnham
FAMILY PTEROCLADIOPHILACEAE
Gelidiocolax margaritoides (M.T.Martin & M.A.Pocock) K.-C.Fan & Papenfuss
Order Gigartinales
FAMILY KALLYMENIACEAE
Callophyllis variegata (Bory de Saint-Vincent) Kützing
Pugetia harveyana (J. Agardh) R.E. Norris
Pugetia porphyroidea (F. Schmitz ex Holmes) R.E. Norris
Thamnophyllis pocockiae R.E. Norris
FAMILY GYMNOPHLOEACEAE
Schizymenia apoda (J. Agardh) J. Agardh
FAMILY PHACELOCARPACEAE
Phacelocarpus oligacanthus Kützing
Phacelocarpus tortuosus Endlicher & Diesing
FAMILY SOLIERIACEAE
Callophycus densus (Sonder) Kraft
Callophycus tridentifer Kraft
Rhabdonia natalensis Reinbold
FAMILY ARESCHOUGIACEAE
Erythroclonium corallinum (Suhr) Holmes
FAMILY CAULACANTHACEAE
Catenella nipae Zanardini
Caulacanthus ustulatus (Turner) Kützing
Heringia mirabilis (C. Agardh) J. Agardh
FAMILY CYSTOCLONIACEAE
Calliblepharis fimbriata (Greville) Kützing
Hypnea arenaria Kylin
Hypnea intricata Kylin
Hypnea musciformis (Wulfen) J. V. Lamouroux
Hypnea rosea Papenfuss
Hypnea spicifera (Suhr) Harvey
Hypnea tenuis Kylin
Hypnea viridis Papenfuss
Rhodophyllis reptans (Suhr) Papenfuss
FAMILY RHIZOPHYLLIDACEAE
Portieria hornemannii (Lyngbye) P.C.Silva in P.C.Silva, Meñez & Moe
Portieria tripinnata (Hering) De Clerck in De Clerck, Tronchin & Schils
FAMILY PHYLLOPHORACEAE
Gymnogongrus glomeratus J. Agardh
Gymnogongrus polycladus (Kützing) J. Agardh
Gymnogongrus tetrasporifer Papenfuss in R.J.Anderson & Bolton
FAMILY GIGARTINACEAE
Chondracanthus acicularis (Roth) Fredericq in Hommersand, Guiry, Fredericq & Leister
Gigartina insignis (Endlicher & Diesing) Schmitz in Barton
Gigartina minima Kylin
Gigartina paxillata Papenfuss
Gigartina pistillata (S.G. Gmelin) Stackhouse
Gigartina polycarpa (Kutzing) Setchell & Gardner
Order Plocamiales
FAMILY PLOCAMIACEAE
Plocamiocolax papenfussiana Martin & Pocock
Plocamium beckeri Simons
Plocamium corallorhiza (Turner) J.D. Hooker & Harvey
Plocamium cornutum (Turner) Harvey
Plocamium glomeratum J. Agardh
Plocamium maxillosum (Poiret) J.V. Lamouroux
Plocamium rigidum Bory de Saint-Vincent in Bélanger & Bory de Saint-Vincent
Plocamium suhrii Kützing
Plocamium telfairiae (W. J. Hooker & Harvey) Harvey ex Kützing
FAMILY SARCODIACEAE
Sarcodia dentata (Suhr) R. E. Norris
Trematocarpus flabellatus (J.Agardh) De Toni
Order Rhodymeniales
FAMILY RHODYMENIACEAE
Botryocladia beckeriana (Holmes) Papenfuss
Botryocladia madagascariensis G. Feldmann
Botryocladia pienaarii RE Norris
Ceratodictyon variabile (Greville ex J. Agardh) RE Norris
Erythrymenia obovata Schmitz ex Mazza
Rhodymenia capensis J. Agardh
Rhodymenia holmesii Ardissone
Rhodymenia natalensis Kylin
FAMILY CHAMPIACEAE
Champia compressa Harvey
Champia parvula (C. Agardh) Harvey
Chylocladia capensis Harvey
FAMILY HYMENOCLADIACEAE
Hymenocladia kallymenioides (Holmes) F. Schmitz
FAMILY LOMENTARIACEAE
Lomentaria amplexans RE Norris
Lomentaria corallicola Boergesen
Lomentaria diffusa Stegenga, Bolton & Anderson
Order Ceramiales
FAMILY CALLITHAMNIACEAE
Callithamnion collabens (Rudolphi) L.McIvor & Maggs
Callithamnion cordatum Børgesen
Callithamnion granulatum (Ducluzeau) C. Agardh
Callithamnion hookeri (Dillwyn) S.F. Gray
Callithamnion stuposum Suhr
Callithamnion tripinnatum C. Agardh
Callithamnion sp. 1
Callithamnion sp. 2
Crouania attenuata (C. Agardh) J. Agardh
Crouania francescoi Cormaci, G Furnari et Scammacca
Euptilota mollis (Wollaston) O. De Clerck
Heteroptilon pappeanum (Kützing) Hommersand in Hommersand, D.W. Freshwater, J. López-Bautista, & S. Fredericq
FAMILY CERAMIACEAE
Acrothamnion preissii (Sonder) E.M. Wollaston
Amoenothamnion lycopodioides Stegenga
Antithamnion diminuatum Wollaston
Antithamnion hubbsii E.Y. Dawson
Antithamnionella spirographidis (Schiffner) E.M. Wollaston
Antithamnionella ternifolia (J.D.Hooker & Harvey) Lyle
Antithamnionella tormentosa Stegenga
Antithamnionella verticillata (Suhr) Lyle
Antithamnionella sp.
Bornetia repens Stegenga
Callithamniella capensis Simons
Callithamniella tingitana (Schousboe ex Bornet) Feldmann-Mazoyer
Carpoblepharis flaccida (J.V.Lamouroux) Kützing
Centroceras spp.
Ceramium aff. callipterum Mazoyer
Ceramium arenarium Simons
Ceramium camoui Dawson E.Y.Dawson
Ceramium centroceratiforme Simons
Ceramium glanduliferum Kylin
Ceramium graecum/lenticulare complex
Ceramium juliae A.J.K.Millar
Ceramium obsoletum C. Agardh
Ceramium planum Kützing
Ceramium poeppigianum Grunow
Ceramium tenerrimum (G. Martens) Okamura
Ceramium sp. 1
Ceramium sp. 2
Ceramium sp. 3
Compsothamnionella sciadophila Stegenga
Episporium centroceratis Möbius
Gayliella dawsonii (= Ceramium dawsonii A.B. Joly)
Gayliella papenfussiana (= Ceramium papenfussianum Simons)
Gayliella transversalis (Collins et Hervey) T.O. Cho et Fredericq
Laurenciophila minima Stegenga
Microcladia exserta M.J.Wynne
Microcladia gelidii R.H.Simons
Perischelia glomulifera (J.Agardh) J.Agardh ex Kylin
Pterothamnion recurvatum (Wollaston) Athanasiadis & Kraft
Pterothamnion sp.
Ptilothamnion codicola (E.Y.Dawson) I.A. Abbott
Ptilothamnion goukammae Stegenga, Bolton & R.J. Anderson
Ptilothamnion polysporum Gordon-Mills & Wollaston in Wollaston
Scageliopsis tsitsikammae Stegenga, R.J. Anderson & J.J. Bolton
Syringocolax macroblepharis Reinsch
Zonariophila semiendophytica Stegenga et Kemperman
FAMILY DASYACEAE
Dasya echinata Stegenga, Bolton & Anderson
Dasya scoparia Harvey ex J. Agardh
Dasya sp. 1
Dasya sp. 2
Dasya sp. 3
Dipterocladia pinnatifolia (Suhr) Y.S.M. De Jong
Heterosiphonia arenaria Kylin
Heterosiphonia crispa (Suhr) Falkenberg
Heterosiphonia dubia (Suhr) Falkenberg
FAMILY DELESSERIACEAE
Acrosorium acrospermum (J. Agardh) Kylin
Acrosorium ciliolatum (Harvey) Kylin
Acrosorium maculatum (Sonder ex Kützing) Papenfuss
Apoglossum ruscifolium (Turner) J. Agardh
Apoglossum spathulatum (Sonder) Womersley and Shepley
Bartoniella crenata Kylin
Caloglossa leprieurii (Montagne) G. Martens
Gonimophyllum africanum Martin and Pocock
Holmesia capensis J Agardh
Hypoglossum imperfectum Stegenga, Anderson and Bolton
Martensia elegans Hering
Neoholmesia natalensis M. J. Wynne
Nienburgia pinnatifida (Suhr) Papenfuss
Nienburgia serrata (Suhr) Papenfuss
Papenfussia laciniata (Harvey) Kylin
Papenfussia minuta Kylin
Platysiphonia delicata (Clemente y Rubio) Cremades
Taenioma perpusillum (J. Agardh) J. Agardh
Valeriemaya seagriefii De Clerck, Wynne and Stegenga
FAMILY INKYULEEACEAE
Inkyuleea beckeri (F.Schmitz ex Mazza) H.-G.Choi, Kraft & G.W.Saunders
FAMILY RHODOMELACEAE
Acanthophora spicifera (M.Vahl) Børgesen
Aiolocolax pulchellus M.A.Pocock
Aphanocladia ecorticata Stegenga, R.J.Anderson & Bolton
Bostrychia harveyi Montagne
Bostrychia intricata (Bory de Saint-Vincent) Montagne
Bostrychia moritziana (Sonder ex Kützing) J.Agardh
Bostrychia radicans (Montagne) Montagne
Bostrychia simpliciuscula Harvey ex J.Agardh
Bostrychia tangatensis Post
Bostrychia tenella (Lamouroux) J. Agardh
Chondria armata (Kützing) Okamura
Chondria capensis (Harvey) Askenasy
Chondria dasyphylla (Woodward) C.Agardh
Chondria sp.
Colacopsis velutina (M.T.Martin & M.A.Pocock) R.E.Norris
Dasyclonium incisum (J.Agardh) Kylin
Dasyclonium palmatifidum (Grunow) Scagel
Dictyomenia stephensonii Papenfuss
Hawaiia sp.
Herposiphonia clavata M.J. Wynne
Herposiphonia didymosporangia Stegenga and Kemperman
Herposiphonia falcata
Herposiphonia prorepens (Harvey) F. Schmitz
Herposiphonia secunda (C.Agardh) Ambronn
Herposiphonia secunda f. tenella (C.Agardh) M.J.Wynne
Janczewskia meridionalis M.T.Martin & M.A.Pocock
Laurencia alfredensis Francis, Bolton, Mattio & R.J. Anderson
Laurencia complanata (Suhr) Kützing
Laurencia cf corymbosa J.Agardh
Laurencia digitata Francis, Bolton, Mattio & R.J. Anderson
Laurencia flexuosa (Suhr) Kützing
Laurencia glomerata (Kützing) Kützing
Laurencia griseaviolacea M.J. Wynne
Laurencia multiclavata Francis, Bolton, Mattio & R.J. Anderson
Laurencia natalensis Kylin
Laurencia pumila (Grunow) Papenfuss
Laurencia pumila var. dehoopiensis Francis, Bolton, Mattio & R.J. Anderson
Lophosiphonia capensis (Kylin) R.E.Norris
Lophosiponia reptabunda (Suhr) Kylin
Microcolax africanus M.T.Martin & M.A.Pocock
Onychocolax polysiphoniae M.A. Pocock
Ophidocladus simpliciusculus (P.L.Crouan & H.M.Crouan) Falkenberg in Schmitz & Falkenberg
Osmundaria serrata (Suhr) R.E.Norris
Pachychaeta brachyarthra (Kützing) Trevisan
Pachychaeta cryptoclada Falkenberg
Placophora binderi (J.Agardh) J.Agardh
Placophora monocarpa (Montagne) Papenfuss
Kentrophora natalensis (J.Agardh) S.M.Wilson & Kraft in R.J.F. Henderson, S.M. Wilson & Kraft
Neosiphonia sertularioides (Grateloup) K.W. Nam & P.J. Kang
Polysiphonia foetidissima Cocks ex Bornet
Polysiphonia incompta Harvey
Polysiphonia kowiensis Stegenga, J.J. Bolton & R.J. Anderson
Polysiphonia namibiensis Stegenga et Engledow in Stegenga, Bolton et Anderson
Polysiphonia scopulorum Harvey
Polysiphonia sp. 1
Polysiphonia sp. 2
Polysiphonia sp. 3 (note only – see under P. incompta)
Polysiphonia sp. 4
Polysiphonia subtilissima Montagne (note only – see under genus description)
Polyzonia elegans Suhr
Pterosiphonia cloiophylla (C.Agardh) Falkenberg in Schmitz & Falkenberg
Pterosiphonia spinifera (Kützing) Ardré
Pterosiphonia stangerii (J.Agardh) Falkenberg
Pterosiphonia stegengae Savoie & G.W.Saunders
Pterosiphonia sp.
Rhodomelopsis africana M.A.Pocock
Streblocladia corymbifera (C.Agardh) Kylin
Streblocladia tenuissima M.A.Pocock
Streblocladia sp.
Symphyocladia marchantioides (Harvey) Falkenberg in Schmitz & Falkenberg
Tayloriella tenebrosa (Harvey) Kylin
FAMILY SPYRIDIACEAE
Spyridia cupressina Kützing
Spyridia filamentosa (Wulfen) Harvey in Hooker
Spyridia horridula F. Schmitz ex J. Agardh
Spyridia hypnoides (Bory) Papenfuss
Spyridia plumosa F. Schmitz ex J. Agardh
FAMILY WRANGELIACEAE
Anotrichium furcellatum (J. Agardh) Baldock
Anotrichium tenue (C. Agardh) Nägeli
Dasyphila cryptocarpa (Holmes) F. Schmitz
Griffithsia confervoides Suhr
Griffithsia subbiconica Stegenga
Griffithsia sp.
Gymnothamnion elegans (Schousboe ex C. Agardh) J. Agardh
Gymnothamnion elegans var. bisporum Stegenga
Haloplegma duperreyi Montagne
Pleonosporium callicladum R.E. Norris
Pleonosporium filicinum (Harvey ex J. Agardh) De Toni
Pleonosporium harveyanum (J. Agardh) De Toni
Shepleya elixithamnia Gordon-Mills & R.E. Norris
Spermothamnieae indet.
Spongoclonium caribaeum (Børgesen) M.J.Wynne
Stegengaea capensis (Stegenga) Alongi, Cormaci & G.Furnari
Tiffaniella cymodoceae (Børgesen) E.M.Gordon
Tiffaniella schmitziana (Barton) Bolton et Stegenga
Vickersia baccata (J. Agardh) Karsakoff
Wrangelia purpurifera (Harvey) J. Agardh
Sub Class Corallinophycidae
Order Corallinales
FAMILY CORALLINACEAE
Crustose corallines (non-geniculate) species: these are not covered here. See Maneveldt, Chamberlain & Keats 2008. A catalogue with keys to the non-geniculate coralline algae (Corallinales, Rhodophyta) of South Africa. South African Journal of Botany 74(4):555-566.
SUB-FAMILY CORALLINOIDEAE (articulated, geniculate taxa)
Amphiroa anceps (Lamarck) Decaisne
Amphiroa beauvoisii Lamouroux
Amphiroa bowerbankii Harvey
Amphiroa capensis Areschoug in J. Agardh
Amphiroa ephedraea (Lamarck) Decaisne
Amphiroa rigida J.V. Lamouroux
Arthrocardia carinata (Kützing) Johansen
Arthrocardia corymbosa (Lamarck) Decaisne
Arthrocardia duthieae Johansen
Arthrocardia flabellata (Kutzing) Manza
Arthrocardia palmata (J. Ellis & Solander) J.E. Areschoug in J. Agardh
Corallina berteroi Montagne ex Kützing
Corallina sp. 1
Jania adhaerens Lamouroux
Jania capillacea Harvey
Jania cultrata (Harvey) J. H. Kim, Guiry & H.-G. Choi
Jania prolifera (J.V.Lamouroux) J.H.Kim, Guiry & H.-G.Choi
Jania sagittata (J.V.Lamouroux) Blainville
Jania subulata (Ellis & Solander) Sonder
Jania verrucosa Lamouroux
SUB-FAMILY MASTOPHOROIDEAE
Metamastophora flabellata (Sonder) Setchell
Order Hapalidales
FAMILY HAPALIDACAE
Choreonema thuretii (Bornet) F.Schmitz
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