A Checklist of the Benthic Marine Algae Known to Puerto Rico, Second Revision
II. Heterokontophyta

David L. Ballantine and Nilda E. Aponte

Underlined names are links to images;
underlined numbers are links to notes

Heterokontophyta
Phaeophyceae
Ectocarpales
Ectocarpaceae

Acinetospora crinita (Carmich. ex Harv.) Kornmann
    [Acinetospora pusilla (1)]
Asteronema breviarticulatum (J.Agardh) Ouriques & Bouzon (93)
    [Ectocarpus breviarticulatus (1)]
Bachelotia antillarum (Grunow) Gerloff
    [B. fulvescens, Pylaiella antillarum (1)]
Ectocarpus elachistaeformis Heydr. (94)
E. rallsiae (Vickers)
    [Giffordia rallsiae (1)]
E. variabilis Vickers
Feldmannia indica (Sond.) Womersley & A.Bailey
    [Giffordia duchassaingiana (1)]
F. irregularis (Kütz.) Hamel
    [Giffordia conifera (1)]
Herponema tortuguense (W.R.Taylor) W.R.Taylor
Hincksia mitchelliae (Harv.) P.C. Silva
    [Giffordia mitchellae (1)]
Ralfsiaceae

Ralfsia expansa (J.Agardh) J.Agardh
Sphacelariales
Sphacelariaceae

Sphacelaria novae-hollandiae Sond.
S. rigidula Kütz.
    [S. furcigera (1)]
S. tribuloides Menegh.
Dictyotales
Dictyotaceae

Dictyopteris delicatula J.V.Lamour.
D. jamaicensis W.R.Taylor
D. jolyana E.C.Oliveira & R.P.Furtado (34)
D. justii J.V.Lamour.
D. plagiogramma (Mont.) Vickers
Dictyota bartayresiana J.V.Lamour.
    [Dictyota bartayresii (1)]
D. cervicornis Kütz.
D. ciliolata Sond. ex Kütz.
D. guineensis (Kütz.) P. Crouan & H.Crouan (95)
    [Dilophus guineensis (1)]
D. jamaicensis W.R.Taylor
D. menstrualis (Hoyt) Schnetter, Hornig & Weber-Peukert (96)
    [Dictyota dichotoma (1)]
D. mertensii (Mart.) Kütz.
    [D. dentata (1)]
D. pinnatifida Kütz. (97)
    [Dilophus alternans (1)]
D. pulchella Hörnig & Schnetter (98)
    [D. divaricata, D. indica (1)]
D. volubilis Kütz.
Lobophora variegata (J.V.Lamour.) Womersley ex E.C.Oliveira
    [Pocockiella variegata (1)]
Padina boergesenii Allender & Kraft (99)
    [P. gymnospora (1)]
P. gymnospora (Kutz.) Sonder (99)
    [P. vickersiae (1)]
P. sanctae-crucis Børgesen
Spatoglossum schroederi (C.Agardh) Kütz.
Stypopodium zonale (J.V.Lamour.) Papenf.
Mesogloiales
Chordariaceae

Cladosiphon occidentalis Kylin
Scytosiphonales
Chnoosporaceae

Chnoospora minima (K.Hering) Papenf.
Scytosiphonaceae

Colpomenia sinuosa (Roth) Derbès & Solier
Hydroclathrus clathratus (C.Agardh) M.Howe
Rosenvingea intricata (J.Agardh) Børgesen
R. sanctae-crucis Børgesen (73)
Dictyosiphonales
Myriotrichiaceae

Myriotrichia occidentalis Børgesen
Punctariaceae

Hecatonema terminale (Kütz.) Sauv. (19)
Striariaceae

Stictyosiphon lutarius W.R.Taylor (73)
Sporochnales
Sporochnaceae

Nereia tropica (W.R.Taylor) W.R.Taylor
Sporochnus bolleanus Mont.
S. pedunculatus (Huds.) C.Agardh
Desmarestiales
Desmarestiaceae

Desmarestia aculeata (L.) J.V.Lamour. (100)
D. ligulata (Stackh.) J.V.Lamour. (100)
Fucales
Sargassaceae

Sargassum acinarium (L.) Setch.
S. cymosum C.Agardh (101)
    [S. rigidulum Kütz. (1)]
S. filipendula C.Agardh
S. fluitans (Børgesen) Børgesen
S. furcatum Kütz. (102)
S. hystrix J.Agardh
S. natans (L.) Gaillon
S. platycarpum Mont.
S. polyceratium Mont.
S. pteropleuron Grunow (73)
S. pusillum W.R.Taylor (103)
S. ramifolium Kütz.
S. vulgare C.Agardh (104)
Turbinaria tricostata E.S.Barton
T. turbinata (L.) Kuntze
Chrysophyceae
Sarcinochrysidales
Chrysomeridaceae

Chrysonephos lewisii (W.R.Taylor) W.R.Taylor (73)
Xanthophyceae
Vaucheriales
Vaucheriaceae

Vaucheria submarina (Lyngb.) Berk. (12)
    [V. dichotoma (1)]

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