Index Nominum Algarum Image Index
586 CARD IMAGES
beginning with HISTIONEIS
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- HISTIONEIS Stein
- HISTIONEIS {group BIREMIS Kofoid & Skogsberg 1928}
- Histioneis aequatorialis E.J.F. Wood
- Histioneis alata Rampi
- Histioneis australiae E.J.F. Wood
- Histioneis biremis Stein
- Histioneis bougainvilleae E.J.F. Wood
- Histioneis caminus Böhm
- Histioneis carinata Kofoid
- {Scanning error}
- Histioneis cerasus Böhm
- Histioneis cerasus Böhm
- Histioneis costata Kofoid & Michener
- Histioneis crateriformis Stein
- Histioneis cymbalaria Stein
- Histioneis dentata Murray & Whitting
- Histioneis depressa Schiller
- Histioneis detonii Rampi
- Histioneis diamantinae E.J.F. Wood
- Histioneis diomedeae Kofoid & Michener
- Histioneis dolon Murray & Whitting
- Histioneis dubia Böhm
- Histioneis elegans Halim
- Histioneis elongata Kofoid & Michener
- Histioneis elongata var. curvata E.J.F. Wood
- Histioneis expansa Rampi
- Histioneis faouzii Halim
- Histioneis fragilis Böhm
- Histioneis fragilis Böhm
- Histioneis francescae Murray & Whitting
- Histioneis garrettii ('garretti') Kofoid
- Histioneis gregoryi Böhm
- Histioneis gubernans F. Schütt
- Histioneis helenae Murray & Whitting
- Histioneis highleyi ('highleii') Murray & Whitting
- Histioneis hippoperoides Kofoid & Michener
- Histioneis hyalina Kofoid & Michener
- Histioneis imbricata Halim
- Histioneis inclinata Kofoid & Michener
- Histioneis inornata Kofoid & Michener
- Histioneis isselii ('isseli') Forti
- Histioneis joergensenii ('jörgenseni') Schiller
- Histioneis josephinae Kofoid
- Histioneis karstenii ('karsteni') Kofoid & Michener
- Histioneis kofoidii ('kofoidi') Forti & Issel
- Histioneis lanceolata E.J.F. Wood
- Histioneis longicollis Kofoid
- Histioneis magnifica (Stein) Cleve
- Histioneis mediterranea Schiller
- Histioneis megalocopa Stein
- Histioneis milneri Murray & Whitting
- Histioneis minuscula Rampi
- Histioneis mitchellana Murray & Whitting
- Histioneis moresbyensis E.J.F. Wood
- Histioneis navicula Kofoid
- Histioneis oceanica Rampi
- Histioneis oxypteris Schiller
- Histioneis pacifica Kofoid & Skogsberg
- Histioneis panaria Kofoid & Skogsberg
- Histioneis panda Kofoid & Michener
- Histioneis para Murray & Whitting
- Histioneis parallela Gaarder
- Histioneis paulsenii_('paulseni') Kofoid
- Histioneis pavillardii Rampi
- Histioneis pietschmannii ('pietschmanni') Böhm
- Histioneis pietschmannii ('pietschmanni') Böhm
- Histioneis planeta E.J.F. Wood
- Histioneis pulchra Kofoid
- Histioneis quadrata (Schütt) Lemmermann
- Histioneis rampii Halim
- Histioneis reginella Kofoid & Michener
- Histioneis remora Stein
- Histioneis reticulata Kofoid
- Histioneis rotundata Kofoid & Michener
- Histioneis schilleri Böhm
- Histioneis schilleri Böhm
- Histioneis simplex E.J.F. Wood
- Histioneis skogsbergii J. Schiller
- Histioneis splendidus (Schütt) Cleve
- Histioneis steinii (Schütt) Lemmermann
- Histioneis steinii Schiller
- Histioneis striata Kofoid & Michener
- Histioneis subcarinata Rampi
- Histioneis sublongicollis Halim
- Histioneis tubifera Böhm
- Histioneis variabilis J. Schiller
- Histioneis villafranca Halim
- Histioneis voukii ('vouki') Schiller
- HISTIOPHORA Klement
- Histiophora ornata Klement
- HISTIOPHYSIS Kofoid & Skogsberg
- Histiophysis rugosa (Kofoid & Michener) Kofoid & Skogsberg
- HISTOMONAS Tyzzer
- Histomonas wenrichii_('wenrichi') E.E. Lund
- HIZIKIA Okamura
- Hizikia fusiformis (Harvey) Okamura
- HOEGIOPSIS Konishi
- HOEGISPHAERA Staplin
- Hoegisphaera glabra Staplin
- HOEHNEMASTIX Skvortzov
- Hoehnemastix saopaulensis Skvortzov
- HOEHNEMONAS Skvortzov
- Hoehnemonas nasuta Skvortzov
- Hoehnemonas obovata Skvortzov
- HOFMANIA Chodat
- HOFMANIA (Chodat) Wille {Section}
- Hofmania africana Woloszynska
- Hofmania appendiculata Chodat
- Hofmania regularis Korshikov
- Hofmania rotundata Teiling
- HOLACANTHUM Lundell {subgenus of Xanthidium}
- HOLACANTHUM (Lundell) Gay {sect. of Xanthidium}
- HOLACANTHUM (Lundell) Wille
- Holacanthum aculeatum (Ehrenberg) Wille
- Holacanthum antilopaeum f. major Dick
- Holacanthum antilopaeum f. irregularis Dick
- Holacanthum antilopaeum f. major Dick
- Holacanthum calcarato-aculeatum Hieronymus
- Holacanthum cristatum (Brebisson) Wille
- Holacanthum euastroides Hieronymus
- Holacanthum fasciculatum f. anomale [Dick]
- Holacanthum mogolense Cholnoky
- Holacanthum stuhlmannii Hieronymus
- HOLLANDELLA Cachon-Enjumet {nomen}
- HOLLANDELLA J. Cachon
- Hollandella lobata J. Cachon
- Hollandella mycetoides Cachon
- Hollandella piriformis J. Cachon
- HOLLENBERGIA Wollaston
- Hollenbergia asiatica Perestenko
- Hollenbergia nigricans (Gardner) Wollaston
- Hollenbergia subulata (Harvey) Wollaston
- HOLMESIA J. Agardh
- Holmesia californica (Dawson) Dawson
- Holmesia capensis J. Agardh
- Holmesia japonica (Okamura) Okamura
- Holmesia neurymenioides (Okamura) Okamura
- HOLMSELLA Sturch
- Holmsella australis Noble & Kraft
- Holmsella pachyderma (Reinsch) Sturch
- HOLOCYSTIS Hassall
- HOLOCYSTIS Hassall ex Wallich
- HOLOCYSTIS (Hassall) Cedergren {Section}
- HOLOCYSTIS (Hassall) W.B. Turner {Subgenus of Micrasterias}
- Holocystis disputata (H. C. Wood) Nordstedt
- Holocystis incisa (Ku\*:tzing) Wallich
- Holocystis intermedia (Cleve) Nordstedt
- Holocystis kitchelii (Wolle) Nordstedt
- Holocystis laticeps (Nordstedt) Nordstedt
- Holocystis oscitans Hassall
- Holocystis oscitans (Ralfs) Wallich
- Holocystis pinnatifida (Ku\*:tzing) Nordstedt
- Holocystis urniformis (Wolle) Nordstedt
- HOLODISCOLITHUS P. H. Roth
- Holodiscolithus macroporus (Deflandre) P. H. Roth
- Holodiscolithus solidus (Deflandre) P. H. Roth
- HOLOLAMINOTUS J. Lecal
- Hololaminotus flosculus J. Lecal
- HOLOMASTIGOTES Grassi
- Holomastigotes elongatum Grassi
- Holomastigotes magnum Bernstein
- Holomastigotes rosei Duboscq & Grassé
- HOLOMASTIGOTOIDES Grassi
- HOLOMASTIGOTOIDES Grassi ex Doflein
- HOLOMASTIGOTOIDES Grassi
- Holomastigotoides dharwarensis Karandikar & Vittal
- Holomastigotoides cingulata_('cingulatum') Bernstein
- Holomastigotoides hartmanni Koidzumi
- Holomastigotoides hemigymnum Grassi
- Holomastigotoides hertwigii ('hertwigi') Grassi ex Doflein
- Holomastigotoides mirabilis_('mirabile') Grassi
- Holomastigotoides rayi Karandikar & Vittal
- Holomastigotoides rostrata Narain
- Holomastigotoides truncata Narain
- HOLONEMA J. E. Areschoug
- Holonema liebmannii ('liebmanni') J. E. Areschoug
- HOLONEURA J. Agardh {[subgenus?] of Delesseria}
- HOLOPEDIA {see HOLOPEDIUM}
- HOLOPEDIUM Lagerheim
- HOLOPEDIUM Lagerheim {subgenus}
- HOLOPEDIUM (Lagerheim) Elenkin
- Holopedium bellum_('Holopedia bella') Beck-Mannagetta
- Holopedia clementei Gonzalez Guerrero
- Holopedia dednensis Pevalek
- Holopedium geminatum (Lagerheim) Lagerheim
- Holopedia granulata Skuja
- Holopedium irregulare (Lagerheim) Lagerheim
- Holopedia mutisiana Gonzalez Guerrero
- Holopedium obvolutum Tiffany
- Holopedia pulchella H.F. Buell
- Holopedium sabulicola ('sabulicolum') (Lagerheim) Lagerheim
- HOLOPENIUM Gay
- HOLOPENIUM (Gay) W.B. Turner {Subgenus of Penium}
- HOLOPENIUM (Gay) Hirano {Subgenus of Closterium}
- HOLOPHYLLA J. Agardh {tribus of Saggassum}
- HOLOSPORELLA Pia
- Holosporella siamensis Pia
- HOLOTHURIADEIGMA A. R. Loeblich Jr. acritarch
- Holothuriadeigma heterakainum A. R. Loeblich Jr.
- HOLOTRICHIA Schmitz
- Holotrichia comosa (Harvey) Schmitz
- HOLYNIA Obrhel
- Holynia stellulata Obrhel
- HOMAEOCYSTIDEAE J. Agardh Tribe of Ceramium}
- HOMALOCOCCUS Kützing
- Homalococcus hassallii ('hassalii') Kützing
- HOMALODISCUS Örsted
- Homalodiscus ovalis Örsted CAS
- Homalodiscus vulgaris Örsted
- HOMEOSTROMA {see HOMOEOSTROMA}
- HOMMERSANDIA Hansen & Lindstrom
- Hommersandia maximicarpa Hansen & Lindstrom
- Hommersandia palmatifolia (Tokida) Perestenko
- Hommersandia palmatifolia (Tokida) Perestenko ex Selivanova & Zhigadlova
- HOMOCOCLADIA C. Agardh ex Naccari {err. cit.}
- HOMOCYSTIDEAE J. Agardh {tribe of Ceramium}
- HOMOEOACTIS Zanardini
- Homoeoactis contarenii (Zanardini) Zanardini
- HOMOEOCLADIA C. Agardh
- HOMOEOCLADIA (C. Agardh) Schütt {subgenus of Nitzschia}
- Homoeocladia anglica C. Agardh CAS
- Homoeocladia abyssinica (Grunow) Kuntze CAS
- Homoeocladia acicularis (Kützing) Kuntze CAS
- Homoeocladia acuminata (W. Smith) Kuntze CAS
- Homoeocladia acuta (Cleve) Kuntze CAS
- Homoeocladia adriatica (Grunow) Kuntze CAS
- Homoeocladia africana (Grunow) Kuntze CAS
- Homoeocladia amphibia (Grunow) Kuntze CAS
- Homoeocladia amphicephala (Grunow) Kuntze CAS
- Homoeocladia amphilepta (Ehrenberg) Kuntze CAS
- Homoeocladia amphioxys (Ehrenberg) Kuntze CAS
- Homoeocladia amphoroides_('amphoroides') (Grunow) Kuntze
- Homoeocladia andesitica (Pantocsek) Kuntze CAS
- Homoeocladia angularis (W. Smith) Kuntze CAS
- Homoeocladia angustata (W. Smith) Kuntze CAS
- Homoeocladia antediluviana (Pantocsek) Kuntze CAS
- Homoeocladia antiqua (Pantocsek) Kuntze CAS
- Homoeocladia apiculata (Gregory) Kuntze CAS
- Homoeocladia arbuscula Kützing CAS
- Homoeocladia arcuata (Gregory ex Greville) Kuntze CAS
- Homoeocladia arcuatosigmoidea (Kozlowsky) Kuntze CAS
- Homoeocladia arcus (Bulnheim) Kuntze CAS
- Homoeocladia asiatica (Tempère & Brun) Kuntze CAS
- Homoeocladia balatonis (Grunow) Kuntze CAS
- Homoeocladia baltica Juhlin-Dannfelt CAS
- Homoeocladia biceps Schumann CAS
- Homoeocladia bicuneata (Grunow) Kuntze CAS
- Homoeocladia bicuspidata (Pantocsek) Kuntze CAS
- Homoeocladia bilineata (Grunow) Kuntze CAS
- Homoeocladia bilobata ('bilobiata') (W. Smith) Kuntze CAS
- Homoeocladia bituminosa (Pantocsek) Kuntze CAS
- Homoeocladia bleischii (Janisch ex Rabenhorst) Kuntze CAS
- Homoeocladia brebissonii (Kützing) Kuntze CAS
- Homoeocladia brevistriata (Grunow) Kuntze CAS
- Homoeocladia brightwellii (Kitton ex Pritchard) Kuntze CAS
- Homoeocladia bulnheimiana Rabenhorst CAS
- Homoeocladia bulnheimiana Rabenhorst CAS
- Homoeocladia calida (Grunow) Kuntze CAS
- Homoeocladia campechiana (Grunow) Kuntze CAS
- Homoeocladia capitata H.L. Smith CAS
- Homoeocladia circumsuta (Bailey) Kuntze CAS
- Homoeocladia clevei (Grunow) Kuntze CAS
- Homoeocladia closterium (Ehrenberg) Kuntze CAS
- Homoeocladia coarctata (Grunow) Kuntze
- Homoeocladia cocconeiformis (Grunow) Kuntze CAS
- Homoeocladia commutata (Grunow) Kuntze CAS
- Homoeocladia concinna (Grunow) Kuntze CAS
- Homoeocladia conferta Richter CAS
- Homoeocladia congesta Meunier CAS
- Homoeocladia constricta (Gregory) Kuntze CAS
- Homoeocladia cursoria (Donkin) Kuntze CAS
- Homoeocladia davidsonii (Grunow & Dickie) Kuntze CAS
- Homoeocladia debilis (Arnott) Kuntze CAS
- Homoeocladia delicatissima (Cleve) Meunier CAS
- Homoeocladia delognei (Grunow) Kuntze CAS
- Homoeocladia dianae (Ehrenberg) Kuntze CAS
- Homoeocladia dilatata Kützing CAS
- Homoeocladia diluviana (Cleve) Kuntze CAS
- Homoeocladia dippelii (Grunow) Kuntze CAS
- Homoeocladia dissipata (Kützing) Kuntze CAS
- Homoeocladia distans (Gregory) Kuntze CAS
- Homoeocladia doljensis (Pantocsek) Kuntze CAS
- Homoeocladia dubia (W. Smith) Kuntze CAS
- Homoeocladia dubravicensis (Grunow) Kuntze CAS
- Homoeocladia dufourii De Notaris
- Homoeocladia elongata Kuntze
- Homoeocladia entomon_('entemon') (Ehrenberg) Kuntze
- Homoeocladia eximia (Grunow) Kuntze
- Homoeocladia fasciculata (Grunow) Kuntze
- Homoeocladia febigeri (Grunow) Kuntze
- Homoeocladia filiformis W. Smith
- Homoeocladia filiformis var. minor Carruthers CAS
- Homoeocladia filiformis f. parva Rabenhorst CAS
- Homoeocladia fimbriata Eichwald CAS
- Homoeocladia flexella (Suringar) Kuntze CAS
- Homoeocladia fluminensis (Grunow) Kuntze CAS
- Homoeocladia fragilarioides (Grunow) Kuntze CAS
- Homoeocladia franconica (Reinsch) Kuntze CAS
- Homoeocladia frauenfeldii (Grunow) Kuntze CAS
- Homoeocladia frigida (Grunow) Kuntze CAS
- Homoeocladia frustulum (Kützing) Kuntze CAS
- Homoeocladia fusiformis (Grunow) Kuntze CAS
- Homoeocladia gelida (Cleve & Grunow) Kuntze CAS
- Homoeocladia germanica Richter CAS
- Homoeocladia gigantea (Ehrenberg) Kuntze CAS
- Homoeocladia glomerata Meunier CAS
- Homoeocladia gracilis (Hantzsch) Kuntze CAS
- Homoeocladia graeffei (Grunow ex Cleve) Kuntze CAS
- Homoeocladia grandis (Kitton) Kuntze CAS
- Homoeocladia granulata (Grunow) Kuntze
- Homoeocladia granulosa (Leuduger-Fortmorel) Kuntze CAS
- Homoeocladia groveana (De Toni) Kuntze CAS
- Homoeocladia gruendleri (Grunow ex Cleve) Kuntze CAS
- Homoeocladia hamata (W. Smith) Kuntze CAS
- Homoeocladia hantzschiana (Rabenhorst) Kuntze CAS
- Homoeocladia helioides Meneghini CAS
- Homoeocladia heufleriana (Grunow) Kuntze CAS
- Homoeocladia hevesensis (Pantocsek) Kuntze
- Homoeocladia hungarica (Grunow) Kuntze CAS
- Homoeocladia hyalina Kützing
- Homoeocladia hybrida (Grunow) Kuntze CAS
- Homoeocladia inconspicua (Grunow) Kuntze CAS
- Homoeocladia insignis (Gregory) Kuntze CAS
- Homoeocladia intermedia (Hantzsch ex Cleve & Grunow) Kuntze CAS
- Homoeocladia italica (Rabenhorst) Kuntze CAS
- Homoeocladia janischii (Grunow) Kuntze CAS
- Homoeocladia jelinekii_('jelineckii') (Grunow) Kuntze
- Homoeocladia kittlii (Grunow) Kuntze CAS
- Homoeocladia kittonii (H.L. Smith) Kuntze CAS
- Homoeocladia kolaczeckii (Grunow) Kuntze CAS
- Homoeocladia kotschyi Grunow CAS
- Homoeocladia kryophila ('cryophila') (Cleve) Kuntze
- Homoeocladia kuetzingiana (Hilse) Kuntze CAS
- Homoeocladia kurzii (Rabenhorst ex Cleve & Moller) Kuntze CAS
- Homoeocladia labuensis (Cleve) Kuntze CAS
- Homoeocladia laevis (Brebisson) Kuntze CAS
- Homoeocladia lanceola (Grunow ex Cleve) Kuntze CAS
- Homoeocladia lanceolata (W. Smith) Kuntze CAS
- Homoeocladia lesinensis (Grunow) Kuntze CAS
- Homoeocladia liebethruthii (Rabenhorst) Kuntze CAS
- Homoeocladia limicola (Grunow) Kuntze CAS
- Homoeocladia linearis (W. Smith) Kuntze CAS
- Homoeocladia littoralis ('litoralis') (Grunow) Kuntze
- Homoeocladia loczyi ('loczii') (Pantocsek) Kuntze CAS
- Homoeocladia longissima ('longistima') (Brebisson) Kuntze
- Homoeocladia lorenziana Kuntze
- Homoeocladia lubrica Kützing CAS
- Homoeocladia macilenta (Gregory ex Greville) Kuntze
- Homoeocladia majuscula (Grunow) Kuntze
- Homoeocladia mammalis (Castracane) Kuntze CAS
- Homoeocladia marginulata (Grunow) Kuntze CAS
- Homoeocladia marina (Grunow) Kuntze CAS
- Homoeocladia martiana C. Agardh
- Homoeocladia martiana C. Agardh CAS
- Homoeocladia martiana var. anglica (C. Agardh) Rabenhorst CAS
- Homoeocladia martiana var. arbuscula (Kützing) Rabenhorst CAS
- Homoeocladia obtusa (Lyngbye) Kuntze CAS
- Homoeocladia martiana var. moniliformis (Kützing) Rabenhorst CAS
- Homoeocladia mesolepta (Bailey) Kuntze
- Homoeocladia microcephala (Grunow) Kuntze CAS
- Homoeocladia mitchelliana (Greenleaf) Kuntze CAS
- Homoeocladia moniliformis Kützing CAS
- Homoeocladia mucicola Meunier CAS
- Homoeocladia navicularis (Brebisson ex Kützing) Kuntze CAS
- Homoeocladia neogena (Grunow) Kuntze CAS
- Homoeocladia nicobarica (Grunow) Kuntze CAS
- Homoeocladia nitzschioides (Cleve) Kuntze
- Homoeocladia notata (Kützing) Kuntze
- Homoeocladia novae-hollandiae (Grunow) Kuntze
- Homoeocladia obesa (Castracane) Kuntze CAS
- Homoeocladia obscura (Grunow) Kuntze CAS
- Homoeocladia obtusa (Lyngbye) Kuntze
- Homoeocladia ocellata (Cleve) Kuntze CAS
- Homoeocladia ovalis (Arnott ex Cleve & Grunow) Kuntze CAS
- Homoeocladia palea (Kützing) Kuntze CAS
- Homoeocladia panduriformis (Gregory) Kuntze CAS
- Homoeocladia parvula (W. Smith) Kuntze CAS
- Homoeocladia pellucida (Grunow) Kuntze CAS
- Homoeocladia penicillata Kützing CAS
- Homoeocladia pennata (Tempère & Brun) Kuntze CAS
- Homoeocladia pernambuccensis ('pernambucensis') (Grunow) Kuntze CAS
- Homoeocladia perpusilla (Rabenhorst) Kuntze CAS
- Homoeocladia perversa (Grunow) Kuntze CAS
- Homoeocladia petitiana (Grunow) Kuntze CAS
- Homoeocladia plana (W. Smith) Kuntze CAS
- Homoeocladia polaris (Grunow) Kuntze CAS
- Homoeocladia protuberans (Brun) Kuntze CAS
- Homoeocladia pulcherrima (Grunow ex Kitton) Kuntze CAS
- Homoeocladia pumila (Agardh) Kützing CAS
- Homoeocladia punctata (W. Smith) Kuntze CAS
- Homoeocladia pusilla (Grunow) Kuntze CAS
- Homoeocladia rabenhorstii (Grunow) Kuntze CAS
- Homoeocladia radula Kuntze CAS
- Homoeocladia romana (Grunow) Kuntze CAS
- Homoeocladia rossica Kuntze CAS
- Homoeocladia rostrata (Grunow) Kuntze CAS
- Homoeocladia rugosa Kuntze CAS
- Homoeocladia scabra (Cleve) Kuntze CAS
- Homoeocladia scalaris (Ehrenberg) Kuntze CAS
- Homoeocladia scaligera (Grunow) Kuntze CAS
- Homoeocladia schliephackeana (Grunow ex Rabenhorst) Kuntze CAS
- Homoeocladia senegalensis (Grunow) Kuntze CAS
- Homoeocladia serians (Cleve & Grunow) Kuntze CAS
- Homoeocladia seriata (Cleve) Kuntze CAS
- Homoeocladia sibirica (Grunow) Kuntze CAS
- Homoeocladia sigma (Kützing) Kuntze CAS
- Homoeocladia sigmoidea W. Smith CAS
- Homoeocladia sinuata (Thwaites ex W. Smith) Kuntze
- Homoeocladia smithii (Ralfs) Kuntze CAS
- Homoeocladia spathulata (Brebisson ex Wm. Smith) Kuntze CAS
- Homoeocladia spathulifera (Grunow) Kuntze CAS
- Homoeocladia spectabilis (Ehrenberg) Kuntze CAS
- Homoeocladia spiralis (Kützing) Kuntze CAS
- Homoeocladia stagnorum (Rabenhorst) Kuntze CAS
- Homoeocladia stoliczkiana (Grunow) Kuntze CAS
- Homoeocladia subcohaerens Grunow CAS
- Homoeocladia subcostata (Grunow) Kuntze CAS
- Homoeocladia subdilatata (Grunow) Kuntze CAS
- Homoeocladia subtilis (Grunow) Kuntze CAS
- Homoeocladia subulata (Brebisson ex Ku\*:tzing) Kuntze
- Homoeocladia sulcata (Grunow) Kuntze CAS
- Homoeocladia superba (Leuduger-Fortmorel) Kuntze CAS
- Homoeocladia szaboi ('scaboi') (Pantocsek) Kuntze
- Homoeocladia tabellaria (Grunow) Kuntze CAS
- Homoeocladia taeniata Meunier CAS
- Homoeocladia tallyana ('thalliana') (Grunow) Kuntze CAS
- Homoeocladia tenuis Meunier CAS
- Homoeocladia tongatensis (Grunow) Kuntze CAS
- Homoeocladia tryblionella (Hantzsch) Kuntze CAS
- Homoeocladia tubicola (Grunow) Kuntze CAS
- Homoeocladia umbonata (Ehrenberg) Kuntze CAS
- Homoeocladia ungeri (Grunow) Kuntze CAS
- Homoeocladia valens (Ehrenberg) Kuntze CAS
- Homoeocladia valida (Cleve & Grunow) Kuntze CAS
- Homoeocladia ventricosa (Kitton) Kuntze CAS
- Homoeocladia vermicularis (Kützing) Kuntze CAS
- Homoeocladia vermiculata (Castracane) Kuntze CAS
- Homoeocladia vexans (Grunow) Kuntze CAS
- Homoeocladia vidovichii Grunow
- Homoeocladia vidovichii var. nodulosa Hagelstein CAS
- Homoeocladia virgata (Roper) Kuntze CAS
- Homoeocladia vitrea (Norman) Kuntze CAS
- Homoeocladia wallichiana (Petit) Kuntze CAS
- Homoeocladia wankaremae (Cleve) Kuntze CAS
- Homoeocladia weiprechtii_('weyprechtii') (Grunow) Kuntze
- Homoeocladia weissflogii (Grunow) Kuntze CAS
- Homoeocladia zosterae Meneghini fide Rabenhorst CAS
- HOMOEOPTYCHE Skuja
- Homoeoptyche repens Skuja
- HOMOEOSTRICHUS J. Agardh
- Homoeostrichus canaliculatus (J. Agardh) J. Agardh
- Homoeostrichus flabellatus Okamura
- Homoeostrichus multifidus (Harvey) J. Agardh
- Homoeostrichus olsenii H.B.S. Womersley
- Homoeostrichus sinclairii (Hooker & Harvey) J. Agardh
- Homoeostrichus spiralis J. Agardh
- Homoeostrichus stuposus (J. Agardh) J. Agardh
- HOMOEOSTROMA J. Agardh
- Homoeostroma debile Woronichin
- Homoeostroma latifolium J. Agardh
- Homoeostroma lobatum Saunders
- Homoeostroma plantagineum J. Agardh
- Homoeostroma undulatum (J. Agardh) J. Agardh
- HOMOEOTHRIX Bornet & Flahault
- HOMOEOTHRIX Thuret ex Bornet & Flahault
- Homoeothrix (Thuret) Kirchner
- Homoeothrix aequalis Fritsch & Rich
- Homoeothrix africana G. S. West
- Homoeothrix articulata Starmach
- Homoeothrix aurarius Obukhova
- Homoeothrix balearica (Bornet & Flahault) Lemmermann
- Homoeothrix batrachospermorum Skuja
- Homoeothrix bornetii (Sauvageau) Mabille
- Homoeothrix brevis H. Kufferath
- Homoeothrix caespitosa (Rabenhorst) Kirchner
- Homoeothrix caespitosa var. argentinensis Gonzalez
- Homoeothrix cartilaginea (G.S. West) Lemmermann
- Homoeothrix costaricensis_('costaricense') Kufferath
- Homoeothrix crustacea Woronikhin
- Homoeothrix crustacea Woronichin
- Homoeothrix crustacea (Borzi) Margalef
- Homoeothrix desikacharyensis Vasishta
- Homoeothrix endophytica (Lemmermann) Lemmermann
- Homoeothrix endophytica (Lemmermann) Lemmermann
- Homoeothrix flagelliformis Vozzhennikova
- Homoeothrix fluviatilis Jao
- Homoeothrix fusca Starmach
- Homoeothrix fusca f. britannica Godward
- Homoeothrix fusca f. elongata Starmach
- Homoeothrix fusca f. minor Starmach
- Homoeothrix globulus Waronichin
- Homoeothrix gloeophila Starmach
- Homoeothrix gracilis (Hansgirg) Koma\*'rek & Kovacik
- Homoeothrix hansgirgii (Schmidle) Lemmermann
- Homoeothrix janthina (Bornet & Flahault) Starmach
- Homoeothrix juliana (Meneghini) Kirchner
- Homoeothrix juliana f. brevicellularis Geitler & Ruttner
- Homoeothrix juliana var. lyngbyoides Geitler
- Homoeothrix kannae Komarek & Kovacik
- Homoeothrix kwangtungensis Ley
- Homoeothrix lyngbyoides Y. Y. Li
- Homoeothrix margalefii Komarek & Kalina
- Homoeothrix minuta Seckt
- Homoeothrix moniliformis Vasishta
- Homoeothrix nordstedtii (Bornet & Flahault) Koma\*'rek & Kann
- Homoeothrix pearsallii ('pearsalli') Godward
- Homoeothrix poljanskii Muzafarov
- Homoeothrix rivularis (Hansgirg) Komarek & Kann
- Homoeothrix rubra (Crouan) Kirchner
- Homoeothrix santolii_('Santoli') Wawrik
- Homoeothrix schizothrichoides Muzafarov
- Homoeothrix simplex Woronichin
- Homoeothrix sinensis Jao
- Homoeothrix stagnalis (Hansgirg) Komarek & Kovacik
- Homoeothrix subtilis Skuja
- Homoeothrix varians Geitler
- Homoeothrix varians var. maior Geitler
- Homoeothrix violacea (Bornet & Flahault) Komarek & Kann
- Homoeothrix woronichinii ('woronichini') Margalef
- Homoeothrix zavattarii Marchesoni
- HOMOEOTRICHUM Kützing
- HOMOMORPHUS Shamrai
- Homomorphus tetracellus (Shamrai & Lazareva) Shamrai
- Homomorphus trinicellus (Shamrai & Lazareva) Shamrai
- HOMOSPHAERA Skuja
- HOMOTRYBLIUM Davey & Williams
- Homotryblium abbreviatum Eaton
- Homotryblium bifurcatum Caro
- Homotryblium floripes (Deflandre & Cookson) Stover
- Homotryblium oceanicum Eaton
- Homotryblium pallidum Davey & Williams
- Homotryblium plectilum Drugg & Loeblich, Jr.
- Homotryblium tasmaniense Cookson & Eisenack
- Homotryblium tenuispinosum Davey & Williams
- Homotryblium tenuispinum Davey & Williams
- HOMOZYGOSPHAERA Deflandre
- Homozygosphaera arethusae (Kamptner) A. Kleijne
- Homozygosphaera halldalii Gaarder {invalid}
- Homozygosphaera ponticulifera (Kamptner) Kamptner
- Homozygosphaera quadriperforata (Kamptner) Gaarder {invalid}
- Homozygosphaera quadriperforata (Kamptner) Gaarder
- Homozygosphaera schilleri (Kamptner) H. Okada & McIntyre
- Homozygosphaera spinosa (Kamptner) Deflandre
- Homozygosphaera strigilis (Gaarder) R. E. Norris
- Homozygosphaera tholifera (Kamptner) Halldal & Markali
- Homozygosphaera triarcha Halldal & Markali
- Homozygosphaera vavilovii Borsetti & Cati
- Homozygosphaera wettsteinii (Kamptner) Halldal & Markali
- HOOPERIA J. Agardh
- Hooperia baileyana (Harvey) J. Agardh
- HOPLASTRUM W.B. Turner {subgenus of Staurastrum}
- HOPLASTRUM (W. B. Turner) Hirano {section of Staurastrum}
- HOPLONYMPHA Light
- Hoplonympha natator Light
- HAPLOZYGA Nordstedt [Section of Gymnozyga]
- HAPLOZYGA (Nordstedt) Raciborski
- HAPLOZYGA (Nordstedt) Wille {sect. of Bambusina}
- HOREA Harvey
- Horea flabelliformis Harvey
- Horea fruticulosa Harvey
- Horea halymenioides Harvey
- Horea polycarpa Harvey
- Horea speciosa Harvey
- Horea wilsonis J. Agardh
- HORMACTIS Thuret
- Hormactis balani Thuret
- Hormactis farlowii Bornet & Thuret
- Hormactis quoyi (C. Agardh) Bornet ex Farlow
- HORMATHONEMA Ercegovic
- Hormathonema dichotoma Chu & Wu {nomen}
- Hormathonema epilithicum Ercegovic
- Hormathonema longicellulare Ercegovic
- Hormathonema luteo-brunneum Ercegovic
- Hormathonema onychoides González Guerrero
- Hormathonema paulocellulare Ercegovic
- Hormathonema sinensis Chu & Wu {nomen}
- Hormathonema sphaericum Ercegovic
- Hormathonema violaceonigrum ('violaceo-nigrum') Ercegovic
- HORMIDIELLA Iyengar & Kanthamma
- Hormidiella bharatiensis A. Subrahmanyan
- Hormidiella parvula Iyengar & Kanthamma
- HORMIDIOPSIS Heering
- Hormidiopsis crenulata (Kützing) Heering
- Hormidiopsis ellipsoidea_('ellipsoideum') Prescott
- HORMIDIOSPORA Vinatzer
- Hormidiospora verrucosa Vinatzer