Amphiroa nobilis Kützing, 1849 (original description)
Amphiroa setacea Kützing, 1849 (original description)
Ascothamnion trinitatis Sonder ex Kützing (original description)
Bangia coccinea Kützing (original description)
Blossevillea arabica Kützing, 1849 (original description)
Bryopsis caespitosa Suhr ex Kützing, 1849 (original description)
Bryopsis cespitosa Suhr ex Kützing, 1849 (original description)
Callithamnion borreri var. elongatum Kützing, 1849 (original description)
Callithamnion cryptopterum Kützing, 1849 (original description)
Caulerpa mexicana Sonder ex Kützing, 1849 (original description)
Ceramium aucklandicum Kützing, 1849 (original description)
Ceramium involutum Kützing, 1849 (original description)
Ceramium irregulare Kützing, 1849 (original description)
Ceramium lessonii Kützing, 1849 (original description)
Chaetangium zeyheri Kützing, 1849 (original description)
Chaetomorpha inflata Kützing, 1849 (original description)
Chaetomorpha intestinalis Kützing, 1849 (original description)
Chaetomorpha nodosa Kützing, 1849 (original description)
Chaetomorpha pacifica Kützing, 1849 (original description)
Chaetomorpha picquotiana Montagne ex Kützing, 1849 (original description)
Cladophora afra Kützing, 1849 (original description)
Cladophora cristata Kützing (original description)
Cladophora debilis Kützing, 1849 (original description)
Cladophora fuliginosa Kützing, 1849 (original description)
Cladophora liniformis Kützing, 1849 (original description)
Cladophora martensii Meneghini ex Kützing, 1849 accepted as Aegagropila brownii (Dillwyn) Kützing, 1854 (original description)
Cladophora muscoides Meneghini ex Kützing, 1849 accepted as Aegagropila brownii (Dillwyn) Kützing, 1854 (original description)
Cladophora socialis Kützing, 1849 (original description)
Cladophora verticillata Kützing, 1849 (original description)
Cutleria compressa Kützing, 1849 (original description)
Cystoclonium obtusangulum Kützing, 1849 (original description)
Ectocarpus acanthophorus Kützing (original description)
Ectocarpus bombycinus Kützing, 1849 (original description)
Ectocarpus capensis Kützing, 1849 (original description)
Ectocarpus humilis Kützing, 1849 (original description)
Ectocarpus parvulus Kützing, 1849 (original description)
Gelidium microdon Kützing, 1849 (original description)
Grateloupia filiformis Kützing, 1849 (original description)
Griffithsia chilensis Montagne ex Kützing, 1849 (original description)
Halymenia naegelii Kützing, 1849 (original description)
Hypnea ceramioides Kützing, 1849 (original description)
Hypnea fruticulosa Kützing, 1849 (original description)
Iridaea ciliata Kützing, 1849 (original description)
Jania cubensis Montagne ex Kützing, 1849 (original description)
Laurencia flexuosa Kützing, 1849 (original description)
Laurencia setacea Kützing (original description)
Lomentaria tenera Kützing, 1849 (original description)
Microthamnion kuetzingianum Nägeli ex Kützing, 1849 (original description)
Oscillaria percursa var. marina Kützing ex Batters, 1849 (original description)
Plocamium affine Kützing, 1849 (original description)
Plocamium brachiocarpum Kützing, 1849 (original description)
Plocamium leptophyllum Kützing, 1849 (original description)
Plocamium suhrii Kützing, 1849 (original description)
Pollexfenia tenella Kützing, 1849 (original description)
Polysiphonia barbatula Kützing, 1849 (original description)
Polysiphonia derbesii Solier ex Kützing, 1849 (original description)
Polysiphonia dictyura Liebmann ex Kützing, 1849 (original description)
Polysiphonia porphyroides Kützing, 1849 (original description)
Polysiphonia requienii Montagne ex Kützing, 1849 (original description)
Polysiphonia setigera Kützing, 1849 (original description)
Rhizoclonium antillarum Kützing, 1849 (original description)
Sargassum flavifolium Kützing, 1849 (original description)
Sargassum fuliginosum Kützing, 1849 (original description)
Sargassum herbaceum Kützing, 1849 (original description)
Sargassum persicum Kützing, 1849 (original description)
Sargassum rigidulum Kützing, 1849 (original description)
Sphacelaria capensis Kützing, 1849 (original description)
Sphaerococcus australis var. constrictus Kützing, 1849 (original description)
Spyridia cupressina Kützing, 1849 (original description)
Stypopodium attenuatum Kützing, 1849 (original description)
Ulothrix attenuata Kützing (original description)
Ulva parvula Kützing, 1849 (original description)