The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense). The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
| Name | Author | Source | Citation | Year |
|---|---|---|---|---|
| ALLOGONIUM | Kützing | Phycol. General.: | 245 | 1843 |
| Acanthotylus herediae ('Heredia') | (Clemente) Kützing | Phyc. gen.: | 413 | 1843 |
| Acrocarpus crinalis | (Turner) Kützing | Phycol. General.: | 405 | 1843 |
| Acrocarpus lubricus | Kützing | Phycol. General.: | 405, pl. 60.II | 1843 |
| Acrocarpus ramellosus | Kützing | Phycol. General.: | 405 | 1843 |
| Acrocarpus spinescens | Kützing | Phyc. Gen.: | 405. | 1843 |
| Aegagropila linnaei | Kützing | Phycol. General.: | 272 | 1843 |
| Aglaophyllum gmelinii ('gmelini') | (Lamouroux) Kützing | Phycol. General.: | 443 | 1843 |
| Aglaophyllum punctatum | (Stackhouse) Kützing | Phyc. gen.: | 443 | 1843 |
| Allogonium confervaceum | Kützing | Phycol. General.: | 245 | 1843 |
| Alsidium tenuissimum | (Withering) Kützing | Phyc. gen.: | 434 | 1843 |
| Amphiroa irregularis | Kützing | Phycol. General.: | 387 | 1843 |
| Amphithrix amoena | Kützing | Phycol. General.: | 220 | 1843 |
| Anabaena subtilissima | Kützing | Phycol. General.: | 210 | 1843 |
| Anabaena variabilis | Kützing | Phycol. Gen.: | 210 | 1843 |
| Ballia callitricha | (C. Agardh) Kützing | Phycol. General.: | 293 | 1843 |
| Bangia versicolor | Kützing | Phycol. General.: | 250, pl. 45.III | 1843 |
| Blennothrix vermicularis | Kützing | Phyc. Gen.: | 226 | 1843 |
| Blossevillea brownii | (Turner) Kützing | Phycol. General.: | 364 | 1843 |
| Botryoglossum platycarpum | (Turner) Kützing | Phycol. General.: | 446 | 1843 |
| Bryopsis simplex | Meneghini ex Kützing | Phycol. General.: | 306 | 1843 |
| Bryothamnion seaforthii | (Turner) Kützing | Phycol. General.: | 433 | 1843 |
| CAULACANTHUS | Kützing | Phycol. General.: | 395 | 1843 |
| Calliblepharis fimbriata | (Greville) Kützing | Phycol. General.: | 404 | 1843 |
| Calliblepharis jubata | (Goodenough & Woodward) Kützing | Phycol. General.: | 404 | 1843 |
| Calliblepharis ornata | Kützing | Phycol. General.: | 404 | 1843 |
| Callithamnion affine | Kützing | Phyc. gen.: | 371 | 1843 |
| Callithamnion byssaceum | Kützing | Phycol. General.: | 371 | 1843 |
| Callithamnion refractum | Kützing | Phycol. General.: | 373 | 1843 |
| Callithamnion spinescens | Kützing | Phycol. General.: | 373 | 1843 |
| Callithamnion spinescens var. julaceum | Kützing | Phycol. General.: | 373 | 1843 |
| Callophyllis laciniata | (Hudson) Kützing | Phyc. gen.: | 401 | 1843 |
| Callophyllis variegata | (Bory de Saint-Vincent) Kützing | Phycol. General.: | 401 | 1843 |
| Carpocaulon mediterraneum | Kützing | Phycologia generalis: | 436, pl. 57.II: figs. 3-7 | 1843 |
| Carpocaulon mediterraneum var. majus | Kützing | Phycologia generalis: | 436, pl. 57.II: fig. 2 | 1843 |
| Carpocaulon mediterraneum var. minus | Kützing | Phycologia generalis: | 436, pl. 57.II: fig. 1 | 1843 |
| Carpomitra cabrerae ('Cabrera') | (Clemente) Kützing | Phyc. gen.: | 343 | 1843 |
| Caulacanthus fastigatus | Kützing | Phyc. gen.: | 395 | 1843 |
| Caulacanthus ustulatus | (Turner) Kützing | Phycol. General.: | 395 | 1843 |
| Chantransia pygmaea | Kützing | Phyc. gen. | 285 | 1843 |
| Chondracanthus chamissoi | (C. Agardh) Kützing | Phycol. General.: | 399 | 1843 |
| Chondracanthus teedei | (Mertens ex Roth) Kützing | Phycol. General.: | 399 | 1843 |
| Chondria patentiramea | (Montagne) Kützing | Phyc. gen.: | 437 | 1843 |
| Chorda capensis | Kützing | Phycol. General.: | 334 | 1843 |
| Chorda filum var. lomentaria | (Lyngbye) Kützing | Phyc. gen.: | 334 | 1843 |
| Chroolepus umbrinus | Kützing | Phycol. General.: | 283, pl. 7: fig. II: figs. 4, 5 | 1843 |
| Chthonoblastus lyngbyei | Kützing | Phycol. General.: | 197 | 1843 |
| Chthonoblastus salinus | Kützing | Phycol. General.: | 197 | 1843 |
| Cladophora albida | (Nees) Kützing | Phycol. General.: | 267 | 1843 |
| Cladophora arcta | (Chevallier) Kützing | Phycol. General.: | 263 | 1843 |
| Cladophora callicoma | Kützing | Phycol. General.: | 267 | 1843 |
| Cladophora catenata | (Linnaeus) Kützing | Phyc. gen.: | 271 | 1843 |
| Cladophora ceratina | Kützing | Phyc. gen.: | 267 | 1843 |
| Cladophora coelothrix | Kützing | Phycol. General.: | 272 | 1843 |
| Cladophora crispata | (Roth) Kützing | Phycol. General.: | 264 | 1843 |
| Cladophora crystallina | (Roth) Kützing | Phycol. General.: | 267 | 1843 |
| Cladophora dalmatica | Kützing | Phycol. General.: | 268 | 1843 |
| Cladophora expansa | (Mertens) Kützing | Phycol. General.: | 265 | 1843 |
| Cladophora fascicularis | (Mertens ex C. Agardh) Kützing | Phycol. General.: | 268 | 1843 |
| Cladophora fastigata | Kützing | Phyc. gen.: | 269 | 1843 |
| Cladophora flavescens | (Roth) Kützing | Phyc. gen.: | 267 | 1843 |
| Cladophora flavescens var. clavifera | Kützing | Phyc. gen.: | 267 | 1843 |
| Cladophora flexuosa | (O.F. Müller) Kützing | Phycol. General.: | 270 | 1843 |
| Cladophora glomerata | (Linnaeus) Kützing | Phycol. General.: | 266 | 1843 |
| Cladophora hospita | (Mertens ex Chamisso) Kützing | Phycol. General.: | 271 | 1843 |
| Cladophora laetevirens | (Dillwyn) Kützing | Phycol. General.: | 267 | 1843 |
| Cladophora laetevirens var. adunca | Kützing | Phyc. gen.: | 267 | 1843 |
| Cladophora lehmanniana | (Lindenberg) Kützing | Phycol. General.: | 268 | 1843 |
| Cladophora membranacea | (Hofman Bang ex C. Agardh) Kützing | Phycol. General.: | 271 | 1843 |
| Cladophora nitida | Kützing | Phycol. General.: | 269 | 1843 |
| Cladophora ovoidea | Kützing | Phycol. General.: | 266 | 1843 |
| Cladophora pellucida | (Hudson) Kützing | Phycol. General.: | 271 | 1843 |
| Cladophora prolifera | (Roth) Kützing | Phycol. General.: | 271 | 1843 |
| Cladophora rupestris | (Linnaeus) Kützing | Phyc. gen.: | 270 | 1843 |
| Cladophora sericea | (Hudson) Kützing | Phycol. General.: | 264 | 1843 |
| Cladophora simpliciuscula | Kützing | Phycol. General.: | 262 | 1843 |
| Cladophora trichotoma | (C. Agardh) Kützing | Phycol. General.: | 271 | 1843 |
| Cladophora utriculosa | Kützing | Phycol. General.: | 269 | 1843 |
| Cladophora vaucheriiformis ('vaucheriaeformis') | Kützing | Phycol. General.: | 263 | 1843 |
| Cladophora virgata | Kützing | Phycol. General.: | 271 | 1843 |
| Cladophora wormskioldii | (Mertens ex Hornemann) Kützing | Phyc. gen.: | 263 | 1843 |
| Coccotylus brodiei ('Brodiaei') | (Turner) Kützing | Phyc. gen.: | 412 | 1843 |
| Codium difforme | Kützing | Phycol. General.: | 309 | 1843 |
| Conferva bombycina var. pallida | Kützing | Phycol. General.: | 257 | 1843 |
| Conferva brachyarthra | Kützing | Phycol. General.: | 260 | 1843 |
| Conferva dalmatica | Kützing | Phyc. gen. | 260 | 1843 |
| Conferva gracilis | Kützing | Phycol. General.: | 259 | 1843 |
| Conferva hamosa | Kützing | Phycol. General.: | 267 | 1843 |
| Conferva indica | Kützing | Phycol. General.: | 259 | 1843 |
| Conferva ligustica | Kützing | Phycol. General.: | 259 | 1843 |
| Conferva princeps | Kützing | Phyc. gen.: | 261 | 1843 |
| Corallina anceps | Kützing | Phyc. gen.: | 388 | 1843 |
| Corallina rigida | Kützing | Phycol. General.: | 388 | 1843 |
| Corallocephalus peniculum | (Ellis & Solander) Kützing | Phyc. gen.: | 311 | 1843 |
| Ctenodus labillardierei ('labillardieri') | (Mertens ex Turner) Kützing | Phyc. gen.: | 407 | 1843 |
| Cylindrospermum majus | Kützing | Phycol. General.: | 212 | 1843 |
| Cylindrospermum polyspermum | Kützing | Phycol. General.: | 212 | 1843 |
| Cystoseira aurantia | Kützing | Phyc. gen.: | 357 | 1843 |
| Dichophyllium kunthii | (C. Agardh) Kützing | Phyc. gen.: | 338 | 1843 |
| Dichophyllium lineare | (C. Agardh) Kützing | Phyc. gen.: | 338 | 1843 |
| Didymoprium grevillei | Kützing | Phyc. gen.: | 166 | 1843 |
| Digenea wulfenii ('Wulfeni') | Kützing | Phycol. General.: | 433 | 1843 |
| Diplostromium tenuissimum | (C. Agardh) Kützing | Phycol. General.: | 298 | 1843 |
| Echinocaulon spinellum | Kützing | Phycol. General.: | 406 | 1843 |
| Ectocarpus arctus | Kützing | Phycol. Gen.: | 289 | 1843 |
| Ectocarpus draparnaldioides | Kützing | Phycol. Gen.: | 289 | 1843 |
| Ectocarpus fasciculatus | Kützing | Phycol. General.: | 288 | 1843 |
| Ectocarpus flagelliformis | Kützing | Phycol. General.: | 287 | 1843 |
| Ectocarpus rufulus | Kützing | Phycol. General.: | 288 | 1843 |
| Ectocarpus subulatus | Kützing | Phycol. Gen.: | 287 | 1843 |
| Ectocarpus venetus | Kützing | Phycol. Gen.: | 288 | 1843 |
| Enteromorpha africana | Kützing | Phycol. Gen.: | 300 | 1843 |
| Enteromorpha littorea | Kützing | Phycol. Gen.: | 300 | 1843 |
| Enteromorpha plumosa | Kützing | Phycol. Gen.: | 300, pl. 20.I | 1843 |
| Enteromorpha plumosa var. tenuissima | Kützing | Phycol. Gen.: | 301 | 1843 |
| Entophysalis granulosa | Kützing | Phycol. General.: | 177, pl. 18.V | 1843 |
| Euhymenia lactuca | Kützing | Phycol. General.: | 400 | 1843 |
| Euhymenia requienii | (J. Agardh) Kützing | Phyc. gen.: | 400 | 1843 |
| Eupogonium rigidulum | Kützing | Phyc. gen.: | 415 | 1843 |
| Gastroclonium subarticulatum | (Turner) Kützing | Phycol. General.: | 441 | 1843 |
| Gelidium dentatum | Kützing | Phyc. gen.: | 407 | 1843 |
| Gelidium pristoides | (Turner) Kützing | Phycol. Gen.: | 407 | 1843 |
| Gigartina compressa | Kützing | Phycol. General.: | 403 | 1843 |
| Gloeocapsa aeruginosa | Kützing | Phycol. General.: | 174 | 1843 |
| Gloeocapsa gelatinosa | Kützing | Phyc. gen.: | 174 | 1843 |
| Gloeocapsa monococca | Kützing | Phyc. gen.: | 175 | 1843 |
| Gloeocapsa montana | Kützing | Phyc. gen.: | 173 | 1843 |
| Gloeocapsa palea | Kützing | Phycol. General.: | 173 | 1843 |
| Gloeocapsa sanguinolenta | Kützing | Phyc. gen.: | 174 | 1843 |
| Gloeocapsa stillicidiorum | Kützing | Phyc. gen.: | 173 | 1843 |
| Gloeotila compacta | (Roth) Kützing | Phyc. gen.: | 245 | 1843 |
| Gloeotila mucosa | Kützing | Phycol. General.: | 245 | 1843 |
| Gongrosira dichotoma | (Kützing) Kützing | Phyc. gen.: | 281 | 1843 |
| Goniotrichum ceramicola | (Lyngbye) Kützing | Phyc. gen.: | 244 | 1843 |
| Grateloupia horrida | Kützing | Phyc. Gen.: | 397, pl. 76. I. | 1843 |
| Gymnophlaea biasolettiana | Kützing | Phycol. General.: | 390 | 1843 |
| Gymnophlaea dichotoma | (J. Agardh) Kützing | Phycol. General.: | 390 | 1843 |
| Gymnophlaea incrassata | Kützing | Phycol. General.: | 390 | 1843 |
| Halerica amentacea | (C. Agardh) Kützing | Phyc. gen.: | 354 | 1843 |
| Halidrys quercifolia | (R. Brown ex Turner) Kützing | Phyc. gen.: | 359 | 1843 |
| Halopithys pinastroides | Kützing | Phycol. General.: | 433 | 1843 |
| Halopteris filicina | (Grateloup) Kützing | Phycol. General.: | 293 | 1843 |
| Halosaccion hydrophora | (Postels & Ruprecht) Kützing | Phyc. gen.: | 439 | 1843 |
| Halysium canaliculatum | Kützing | Phycol. General.: | 324 | 1843 |
| Halysium cylindricum | (Ellis & Solander) Kützing | Phyc. gen.: | 323 | 1843 |
| Halysium oblongatum | (Ellis & Solander) Kützing | Phyc. gen.: | 323 | 1843 |
| Halysium rugosum | (Ellis & Solander) Kützing | Phyc. gen.: | 323 | 1843 |
| Hapalidium roseolum | Kützing | Phycol. General.: | 385 | 1843 |
| Hildenbrandia rosea | Kützing | Phycol. General.: | 384 | 1843 |
| Hildenbrandia sanguinea | Kützing | Phycol. General.: | 384, pl. 78.V | 1843 |
| Hormidium flaccum | (Dillwyn) Kützing | Phyc. gen.: | 244 | 1843 |
| Hormophysa triquetra | (C. Agardh) Kützing | Phycol. General.: | 359 | 1843 |
| Hydrocoleum heterotrichum | Kützing | Phyc. gen.: | 196 | 1843 |
| Hypnophycus spicifer | (Suhr) Kützing | Phycol. General.: | 405 | 1843 |
| Jania antennina | Kützing | Phycol. General.: | 389 | 1843 |
| Jania spermophorus | (Linnaeus) Kützing | Phyc. gen.: | 389 | 1843 |
| Kallymenia lactuca | J. Agardh in Kützing | Phycol. General.: | 400 | 1843 |
| LIMNOCHLIDE | Kützing | Phycol. General.: | 203 | 1843 (14-16 Sep) |
| LIMNOCHLIDEAE | Kützing | Phycol. General.: | XX, 179, 203 | 1843 |
| Leibleinia aeruginea | Kützing | Phycol. General.: | 221 | 1843 |
| Leibleinia meneghiniana | Kützing | Phycol. General.: | 222 | 1843 |
| Leptothrix brevissima | Kützing | Phyc. gen.: | 198 | 1843 |
| Leptothrix fontana | Kützing | Phyc. gen.: | 198 | 1843 |
| Leptothrix lutescens | Kützing | Phyc. gen.: | 198 | 1843 |
| Leptothrix ochracea | (Leiblein) Kützing | Phyc. gen.: | 108 | 1843 |
| Lessonia laminaria | Kützing | Phycol. General.: | 348 | 1843 |
| Limnochlide flos-aquae ('flos aquae') | (Linnaeus) Kützing | Phycol. General.: | 203 | 1843 |
| Lomentaria squarrosa | Kützing | Phycol. General.: | 440, pl. 55.IV | 1843 |
| Lomentaria torulosa | Kützing | Phycol. General. | 441 | 1843 |
| Lophura floccosa | (Esper) Kützing | Phyc. gen.: | 436 | 1843 |
| MICROHALOA | Kützing | Phycol. General.: | 169 | 1843 |
| Mastichonema thermale | Kützing | Phycol. General.: | 233 | 1843 |
| Mastocarpus papillatus | (C. Agardh) Kützing | Phyc. gen. | 398 | 1843 |
| Mastocarpus radula | (Esper) Kützing | Phyc. gen.: | 398 | 1843 |
| Mastocarpus stiriatus | (Turner) Kützing | Phycol. General.: | 398 | 1843 |
| Merismopedia thermalis | Kützing | Phycol. General.: | 163 | 1843 |
| Merizomyria laminosa | (C. Agardh) Kützing | Phyc. gen.: | 232 | 1843 |
| Microcystis parasitica | Kützing | Phycol. General.: | 170 | 1843 |
| Mycothamnion confervicola | Kützing | Phyc. gen.: | 156, no fig. | 1843 |
| Myelomium furcellatum | (Turner) Kützing | Phyc. gen.: | 393 | 1843 |
| Myriactis pulvinata | Kützing | Phycol. General.: | 330 | 1843 |
| Neuroglossum binderianum | Kützing | Phycol. General.: | 446, pl. 65.II | 1843 |
| Nostoc minutissimum | Kützing | Phycol. Gen.: | 204 | 1843 |
| Oedogonium capillare var. fluctuans | Kützing | Phycol. General.: | 255 | 1843 |
| Oedogonium vesicatum var. crispatum | Kützing | Phycol. General.: | 254 | 1843 |
| Oedogonium vesicatum var. minus | Kützing | Phycol. General.: | 254 | 1843 |
| Oscillaria brevis | (Kützing) Kützing | Phycol. General.: | 186 | 1843 |
| Oscillaria natans | (Kützing) Kützing | Phyc. gen.: | 187 | 1843 |
| Oscillaria tenerrima | Kützing | Phycol. General.: | 184 | 1843 |
| Oscillatoria aerugineo-caerulea | Kützing | Phyc. gen.: | 185 | 1843 |
| Oscillatoria chlorina | Kützing | Phyc. gen.: | 185 | 1843 |
| Oscillatoria irrigua | Kützing | Phyc. gen.: | 189 | 1843 |
| PHYCOSERIS | Kützing | Phycol. Gen.: | 296 | 1843 |
| Palmella marginata | (Meneghini) Kützing | Phyc. gen.: | 172 | 1843 |
| Phlebothamnion hookeri | (Dillwyn) Kützing | Phyc. gen.: | 375 | 1843 |
| Phlebothamnion roseum | (Roth) Kützing | Phyc. gen.: | 375 | 1843 |
| Phlebothamnion stuposum | (Suhr) Kützing | Phycol. General.: | 375 | 1843 |
| Phormidium amoenum | Kützing | Phycol. General.: | 192 | 1843 |
| Phormidium corium | (C. Agardh) Kützing | Phycol. General.: | 194 | 1843 |
| Phormidium fonticola | Kützing | Phyc. Gen. | 195 | 1843 |
| Phormidium lyngbyaceum | Kützing | Phycol. General.: | 194 | 1843 |
| Phormidium rivulare var. rupestre | (C. Agardh) Kützing | Phyc. gen.: | 195 | 1843 |
| Phormidium vulgare | Kützing | Phyc. gen.: | 193 | 1843 |
| Phycocastanum bulbosum | Kützing | Phycol. Gen.: | 346 | 1843 |
| Phycolapathum debile | Kützing | Phycol. Gen.: | 299 | 1843 |
| Phycoseris australis | Kützing | Phycol. General.: | 298 | 1843 |
| Phycoseris crispata | (Bertoloni) Kützing | Phycol. Gen.: | 297 | 1843 |
| Phycoseris linza | (Linnaeus) Kützing | Phycol. Gen.: | 297 | 1843 |
| Phycoseris smaragdina | Kützing | Phycol. Gen.: | 297 | 1843 |
| Phycoseris smaragdina var. angustifolia | Kützing | Phycol. Gen.: | 297-298 | 1843 |
| Phycoseris smaragdina var. latifolia | Kützing | Phycol. Gen.: | 297 | 1843 |
| Phyllactidium confervicola | Kützing | Phycol. General.: | 295 | 1843 |
| Phyllactidium ocellatum | Kützing | Phycol. General.: | 295 | 1843 |
| Phyllitis fascia | (O.F. Müller) Kützing | Phycol. General.: | 342, pl. 24.III | 1843 |
| Physocaulon mackayi ('mackaji') | (Turner) Kützing | Phyc. gen.: | 352 | 1843 |
| Pilinia rimosa | Kützing | Phycol. General.: | 273 | 1843 |
| Pneophyllum fragile | Kützing | Phycol. General.: | 385 | 1843 |
| Polysiphonia bartlingiana | Kützing | Phyc. gen.: | 416 | 1843 |
| Polysiphonia martensiana | Kützing | Phyc. Gen.: | 432 | 1843 |
| Polysiphonia phleborhiza | Kützing | Phycol. General. | 419 | 1843 |
| Polysiphonia pinnulata | Kützing | Phycol. gen.: | 416 | 1843 |
| Polysiphonia reptabunda | (Suhr) Kützing | Phyc. gen.: | 417 | 1843 |
| Polysiphonia spinifera | Kützing | Phycol. General.: | 416 | 1843 |
| Polysiphonia subadunca | Kützing | Phycol. General.: | 418 | 1843 |
| Polysiphonia tenerrima | Kützing | Phycol. General.: | 417 | 1843 |
| Porphyra amethystea | Kützing | Phycol. Gen.: | 383 | 1843 |
| Porphyra augustinae | Kützing | Phycol. Gen.: | 383 | 1843 |
| Porphyra capensis | Kützing | Phycol. General.: | 383 | 1843 |
| Porphyra kunthiana | Kützing | Phycol. Gen.: | 383 | 1843 |
| Porphyra umbilicalis | Kützing | Phycol. General.: | 383 | 1843 |
| Porphyra vermicellifera | Kützing | Phycol. General.: | 383 | 1843 |
| Prasiola crispa | (Lightfoot) Kützing | Phycol. General.: | 295 | 1843 |
| Protococcus dimidiatus | (Kützing) Kützing | Phyc. gen.: | 168 | 1843 |
| Protococcus minutus | Kützing | Phycol. General.: | 168 | 1843 |
| Pterocaulon boryi | (C. Agardh) Kützing | Phycol. General.: | 360 | 1843 |
| Pterocaulon peronii | (Mertens ex Turner) Kützing | Phycol. General.: | 360 | 1843 |
| Rhizoclonium fontanum | (Kützing) Kützing | Phycol. General. | 261 | 1843 |
| Rhizoclonium juergensii ('Jürgensii') | (Mertens) Kützing | Phyc. gen.: | 261 | 1843 |
| Rhynchococcus spinosus | Kützing | Phyc. gen.: | 403 | 1843 |
| Rytiphlaea capensis | Kützing | Phycol. General.: | 448 | 1843 |
| STYPOCAULON | Kützing | Phycol. Gen.: | 293 | 1843 |
| Sargassum capillare | Kützing | Phycol. General.: | 361 | 1843 |
| Sargassum coarctatum | Kützing | Phycol. General.: | 361, pl. 37.III | 1843 |
| Schizogonium crispatum | Kützing | Phycol. General.: | 246 | 1843 |
| Schizogonium laetevirens ('laete-virens') | (Harvey) Kützing | Phyc. gen.: | 246 | 1843 |
| Schizogonium percursum | (C. Agardh) Kützing | Phycol. Gen.: | 246 | 1843 |
| Schizogonium tortum | (Mertens) Kützing | Phycol. Gen.: | 246 | 1843 |
| Schizothrix fuscescens | Kützing | Phycol. General.: | 230 | 1843 |
| Scytonema incrustans | Kützing | Phyc. gen. | 216 | 1843 |
| Sirophysalis muricata | (C. Agardh) Kützing | Phycol. General.: | 368 | 1843 |
| Sirosiphon ocellatus | (Dillwyn) Kützing | Phyc. gen.: | 219 | 1843 |
| Spatoglossum solieri | (Chauvin ex Montagne) Kützing | Phycol. General.: | 340 | 1843 |
| Sphacelaria rigidula | Kützing | Phycol. General.: | 292 | 1843 |
| Sphaerococcus palmatus | (Linnaeus) Kützing | Phycol. General.: | 409 | 1843 |
| Sphaerococcus platyphyllus | Kützing | Phycol. General.: | 410 | 1843 |
| Spirogyra elongata ('longata') | (Vaucher) Kützing | Phyc. gen.: | 279 | 1843 |
| Spirogyra weberi | Kützing | Phyc. gen.: | 279, pl. 14: fig. III | 1843 |
| Spirulina major | Kützing | Phycol. General.: | 183 | 1843 |
| Spirulina subtilissima | Kützing | Phycol. General.: | 183 | 1843 |
| Spirulina tenerrima | Kützing | Phycol. General.: | 183 | 1843 |
| Spyridia aculeata | (C. Agardh ex Decaisne) Kützing | Phycol. General.: | 377 | 1843 |
| Stigeoclonium tenue | (C. Agardh) Kützing | Phyc. gen.: | 253 | 1843 |
| Stoechospermum marginatum | (C. Agardh) Kützing | Phycol. General.: | 339 | 1843 |
| Stypocaulon scoparium | (Linnaeus) Kützing | Phycol. gen: | 293 | 1843 |
| Stypopodium atomarium_(`atomaria') | (Woodward) Kützing | Phycol. Gen.: | 341 | 1843 |
| Stypopodium flavum | (C. Agardh) Kützing | Phycol. General.: | 341 | 1843 |
| Symphyosiphon pulvinatus | (Mertens) Kützing | Phyc. gen.: | 218 | 1843 |
| Symphyosiphon velutinus | Kützing | Phycol. General.: | 218 | 1843 |
| Thamnocarpus cornutus | (Turner) Kützing | Phycol. General.: | 450 | 1843 |
| Tolypothrix aegagropila | (Kützing) Kützing | Phyc. gen.: | 228 | 1843 |
| Tolypothrix distorta | (O.F. Müller) Kützing | Phyc. gen.: | 228 | 1843 |
| Tylocarpus griffithsiae | (Turner) Kützing | Phyc. gen: | 411 | 1843 |
| Tylocarpus plicatus | (Hudson) Kützing | Phyc. gen.: | 411 | 1843 |
| Ulva littorea | Suhr in Kützing | Phycol. Gen.: | 300 | 1843 |
| Ulva obscura | Kützing | Phycol. General.: | 296 | 1843 |
| Ulva oxysperma | Kützing | Phycol. General.: | 296 | 1843 |
| Valonia macrophysa | Kützing | Phycol. General.: | 307 | 1843 |