Index Nominum Algarum Image Index
948 CARD IMAGES
beginning with HAPALIDIUM
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Processed by T. Rosatti
- HAPALIDIUM F.T. Kützing
- Hapalidium callithamnioides Crouan fr.
- Hapalidium coccineum Crouan ft.
- Hapalidium confervicola (Kützing) J. E. Areschoug
- Hapalidium confervoides '(Kützing) J. Agardh'
- Hapalidium hildenbrandtioides Crouan frat.
- Hapalidium phyllactidium Kützing
- Hapalidium roseolum Kützing
- Hapalidium roseum 'Kützing'
- Hapalidium zonale Crouan fr.
- HAPALOPHLOEA J. Pia
- Hapalophloea scissa Pia
- HAPALOPSIS H. Kufferath
- Hapalopsis conradii ('conradi') Kufferath
- Hapalopsis stagnalis (Hansgirg) Kufferath
- HAPALOSIPHON {info}
- HAPALOSIPHON C.W. Nägeli
- HAPALOSIPHON (cont.)
- HAPALOSIPHON {info on lectotypification}
- HAPALOSIPHON sections
- HAPALOSIPHON (Nägeli) Blanchard
- HAPALOSIPHON \{also on card: section Fischerella\}
- Hapalosiphon ambiguus (Kützing) Borzì
- Hapalosiphon arboreus W. West & G. S. West
- Hapalosiphon aureus W. West & G. S. West
- Hapalosiphon baronii W. West & G. S. West
- Hapalosiphon brasiliensis Borge
- Hapalosiphon braunii Nägeli
- Hapalosiphon brebissonii (Kützing) Rabenhorst
- Hapalosiphon brebissonii var. globosus Nordstedt
- Hapalosiphon byssoideus (Hassall) Kirchner
- Hapalosiphon byssoideus Kirchner ex Engler
- Hapalosiphon confervaceus Borzì
- Hapalosiphon conradii (Kufferath) Compère
- Hapalosiphon delicatulus West & West
- Hapalosiphon fertilissima Tiwari \{see card 037\}
- Hapalosiphon fertilissimus_('fertilissima') Tiwari
- Hapalosiphon flexuosus Borzì
- Hapalosiphon fontinalis (L.) Bornet
- Hapalosiphon fontinalis var. baculiferus A.A. Elenkin
- Hapalosiphon fontinalis var. drepanocladi ('drepanocladii') Stefureac
- Hapalosiphon fontinalis var. fischeroides (Hansgirg) A. A. Elenkin
- Hapalosiphon fontinalis var. globosus (Nordstedt) A. A. Elenkin
- Hapalosiphon fontinalis var. hibernicus (W. West & G. S. West) A. A. Elenkin
- Hapalosiphon fontinalis var. intricatus (W. West & G. S. West) A. A. Elenkin
- Hapalosiphon fontinalis var. tenuissimus (Grunow ex Wolle) Collins, Holden, & Setchell
- Hapalosiphon fontinalis f. typica A.A. Elenkin
- Hapalosiphon fuscescens (Bréb. ex Kützing) Rabenhorst
- Hapalosiphon hibernicus W. West & G. S. West
- Hapalosiphon hibernicus f. major Cedergren
- Hapalosiphon hormocystophorus Böcher
- Hapalosiphon hormoides Rabenhorst
- Hapalosiphon hunanensis Jao
- Hapalosiphon intricatus W. West & G. S. West
- Hapalosiphon intricatus f. fuscescens Frémy
- Hapalosiphon intricatus var. hibernicus (W. West & G. S. West) Strøm
- Hapalosiphon intricatus f. major Strøm
- Hapalosiphon laminosus (C. Agardh) Bornet & Flahault
- Hapalosiphon laminosus Hansgirg ex Bornet & Flahault
- Hapalosiphon laminosus f. anabaenoides J.B. Petersen
- Hapalosiphon laminosus subf. suberectus ('suberecta') Frémy
- Hapalosiphon laminosus f. aulosiroides Frémy
- Hapalosiphon laminosus f. indica Weber Bosse
- Hapalosiphon laminosus f. lyngbyoides Frémy
- Hapalosiphon laminosus f. microchaetoides Frémy
- Hapalosiphon laminosus f. nostocoides Frémy
- Hapalosiphon laminosus f. oscillarioides Frémy
- Hapalosiphon laminosus f. phormidioides J. B Petersen
- Hapalosiphon laminosus f. plectonematoides Frémy
- Hapalosiphon laminosus f. pseudanabaenoides Frémy
- Hapalosiphon laminosus f. scytonematoides Frémy
- Hapalosiphon laminosus f. symplocoides Frémy
- Hapalosiphon laminosus f. tolypothrichoides Frémy
- Hapalosiphon laminosus f. typica Frémy
- Hapalosiphon luteolus W. West & G. S. West
- Hapalosiphon major Tilden
- Hapalosiphon major (Gomont) Borzì
- Hapalosiphon muscicola (Thur.) Borzì
- Hapalosiphon notabilis Beck-Mannagetta
- Hapalosiphon parvulus Jao
- Hapalosiphon parvulus var. minor T.N.H. Phung, A. Couté, & P. Bourrelly
- Hapalosiphon pumilus (Kützing) Kirchner
- Hapalosiphon pumilus Kirchner ex Bornet & Flahault
- Supplanted
- Hapalosiphon pumilus f. pyrenogerus Hansgirg
- Hapalosiphon rhodesicus ('rhodesicum') Walsh
- Hapalosiphon schweickerdtii Cholnoky
- Hapalosiphon stuhlmannii Hieronymus
- Hapalosiphon subgelatinosus Gardner
- Hapalosiphon tenuis Gardner
- Hapalosiphon tenuissimus Grunow in litt.
- Hapalosiphon thermalis (Schwabe) Borzì
- Hapalosiphon torulosus (Rabenhorst) Kirchner
- Hapalosiphon welwitschii W. West & G. S. West
- Hapalosiphon welwitschii f. acutissimus ('acutissima') Schwabe
- Hapalosiphon welwitschii var. major Gonzalves & Kamat
- Hapalosiphon welwitschii var. vaginatus Chose
- Hapalosiphon welwitschii var. vietnamensis T.N.H. Phung, A. Couté, & P. Bourrelly
- HAPALOSPONGIDION Saunders
- Hapalospongidion capitatum Womersley
- Hapalospongidion durvilleae Lindauer
- Hapalospongidion gelatinosum Saunders
- Hapalospongidion macrocarpum (J. Feldmann) D. León-Alvarez & J. González- González
- Hapalospongidion pangoense ('pangoensis') (Setchell) G.J. Hollenberg
- Hapalospongidion saxigenum Lindauer
- Hapalospongidion schmidtii (Weber Bosse) P.C. Silva
- Hapalospongidion vanbosseae (Břrgesen) D. León-Alvarez & J. González- González
- HAPLOCLADIUM (C. Müller) C. Müller
- HAPLOCLADIUM Nägeli \{also on card: subgenus of Pterothamnion\}
- HAPLOCLADIUM (Nägeli) Schiffner
- Scanning error
- HAPLOCLADIUM (Nägeli) Schiffner
- HAPLOCLADIUM (cont.)
- Haplocladium floccosum (Müll.) Nägeli
- Haplocladium floccosum (Müll.) Schiffner
- Haplocladium spirographide ('spirographidis') Schiffner
- Haplocladium subulatum (Harvey) Schiffner
- HAPLOCYSTIA K.L. Segroves
- Haplocystia pellucida Segroves
- HAPLODASYA P. Falkenberg
- Haplodasya reinboldii ('reinboldi') Falkenberg
- Haplodasya tomentosa Parsons
- Haplodasya urceolata (Harvey ex J. Agardh) Parsons
- Haplodinium antjoliense G.A. Klebs
- Haplodinium indicum Subrahmanyan
- Haplodinium iyengaricum Subrahmanyan
- Haplodinium jonesianum ('jonesicum') Subrahmanyan
- HAPLOGLOIA C.T.C. Levring
- Haplogloia andersonii (Farlow) Levring
- Haplogloia kuckuckii J.H. Kylin
- Haplogloia kurilensis Inagaki
- Haplogloia moniliformis Ricker
- HAPLOHERMESINUM R. Hovasse
- Haplohermesinum simplex (Schulz) Hovasse
- Haplohermesinum validum (Deflandre) Deflandre
- HAPLOLEGMA "Mont."
- HAPLONEMA A. Borzì
- HAPLONEMA Ruprecht
- HAPLOPORELLA C.W. Gümbel
- Haploporella annula ('annulus') (Parker & Jones) Gümbel
- Haploporella biscutata Gümbel
- Haploporella digitata (Parker & Jones) Gümbel
- {Scanning error}
- Haploporella eruca (Parker & Jones) Gümbel
- Haploporella fasciculata Gümbel
- Haploporella glandulosa (d'Archiao) Gümbel
- Haploporella marginoporella (Michelin) Gümbel
- Haploporella reticulata (Defrance) Gümbel
- Haploporella scrobiculata Gümbel
- Haploporella vesiculosa Gümbel
- HAPLOSIPHON V.B.A. Trevisan
- Haplosiphon capensis (F.T. Kützing) V.B.A. Trevisan de Saint-Léon
- Haplosiphon filiformis F.J. Ruprecht
- Haplosiphon lomentaria_('lomentarius') (Lyngbye) Trevisan
- Haplospongidion gelatinosum Saunders
- HAPLOSPORA F.R. Kjellman
- Haplospora geminata Bornet
- Haplospora globosa Kjellman
- Haplospora vidovichii (Menegh.) Bornet
- Haplostigma lenticularis O. Barbosa
- HAPLOTAENIUM T. Bando
- Haplotaenium bourrellyi (Grönblad & Scott) T. Bando
- Haplotaenium minutum (Ralfs) T. Bando
- Haplotaenium minutum var. elongatum (W. West) T. Bando
- Haplotaenium minutum var. gracile (Wille) T. Bando
- Haplotaenium rectum (Delponte) T. Bando
- Haplotaenium rectum var. foersteri T. Bando
- HAPLOTELLA S. F. L. Endlicher
- HAPLOZOON V.A. Dogiel
- Haplozoon armatum Dogiel
- Haplozoon axiothellae Siebert
- Haplozoon clymenellae (Calkins) Chatton
- Haplozoon clymenidis Dogiel & Mikelsson
- Haplozoon inerme Cachon
- Haplozoon tuberculatum Dogiel & Mikelsson
- Haplozoon villosum Dogiel & Mikelsson
- HAPLOZYGA {see Hoplozyga}
- Hoplozyga armata (Löfgren & Nordstedt) Raciborski
- Hoplozyga armata var. raciborskii Förster & Eckert
- Hoplozyga eckertii Förster
- Hapsidopalla chela R. Wicander & G.D. Wood
- Hapsidopalla invenusta Wicander & G. D. Wood
- HAPSOCYSTA R.J. Davey
- Hapsocysta dictyota R.J. Davey
- Hapsocysta peridictya (Eisenack & Cookson) R. J. Davey
- HAPTEROPHYCUS W.A. Setchell & N.L. Gardner
- Hapterophycus anastomosans Dawson
- Hapterophycus canaliculatus Setchell
- Hapterophycus canaliculatus W.A. Setchell & N.L. Gardner
- Hapterophycus echigoensis Noda
- HAPTOGONIUM C.G. Ehrenberg \{also on card: orth. mut.\}
- HAQIUS P.H. Roth
- Haqius circumradiatus (L. E. Stover) P.H. Roth
- HARALDIA Feldmann
- Haraldia lenormandii (Derbès & A.J.J. Solier) Feldmann
- Haraldia lenormandii f. detonii (Weber Bosse) M. Wynne
- Haraldia prostrata Dawson, Neushul, & Wildman
- Haraldia tenuis Oliveira Filho
- HARALDIOPHYLLUM A.D. Zinova
- Haraldiophyllum bonnemaisonii (J.H. Kylin) A. D. Zinova
- Haraldiophyllum heterocarpum (Chauvin) Wynne
- Haraldiophyllum infossum A.J.K. Millar
- Haraldiophyllum mirabile (J.H. Kylin) A. D. Zinova
- Haraldiophyllum nottii (Norris & M.J. Wynne) M.J. Wynne
- Haraldiophyllum sinuosum (A.H.S. Lucas) A.J.K. Millar
- Haraldiophyllum versicolor (Harvey) A. D. Zinova
- HARAMONAS T. Horiguchi
- Haramonas dimorpha T. Horiguchi
- HARIOTIA Karsten
- HARIOTINA P.C.A. Dangeard
- HATOTINA (Dangeard) Senn \{also on card: sect. of Coelastrum\}
- Hariotina reticulata Dangeard
- HARLANJOHNSONELLA G.F. Elliott
- Harlanjohnsonella annulata G. F. Elliott
- HARPAKTER G.J. Burch
- Harpakter socialis Burch
- HARPOCHYTRIUM N.G. Lagerheim
- HARPOCHYTRIUM (cont.)
- HARPOHYTRIUM \{also on card: subgen. Chytridiochloris Pascher\}
- HARPOCHYTRIUM [Pascher] \{also on card: subgenus of Harpochytrium\}
- Harpochytrium adpressum Scherffel
- Harpochytrium apiculatum Pascher
- Harpochytrium atkinsonianum Pascher
- Harpochytrium botryococci F.W. Jane
- Harpochytrium discopedium Skuja
- Harpochytrium hedinii ('hedenii') Wille
- Harpochytrium hedinii Wille
- Harpochytrium hedinii Wille \{also on card: H. hedenii, orth. mut.; indicatin in German that epithet is for Sven Hedin\}
- Harpochytrium hedinii f. atkinsonianum ('atkinsoniana') F.W. Jane
- Harpochytrium hedinii f. falcatum ('falcata') F.W. Jane
- Harpochytrium hyalothecae Lagerheim
- Harpochytrium intermedium Atkinson
- Harpochytrium monae F.W. Jane
- Harpochytrium natrophilum Hortobágyi
- Harpochytrium natrophilum Hortobágyi
- {scanning error}
- Harpochytrium obtusiusculum Skuja
- Harpochytrium scherffelii Pascher
- Harpochytrium tenuissimum Korschikoff
- Harpochytrium tenuissimum f. elegans F. W. Jane
- Harpochytrium tenuissimum f. verum ('vera') F. W. Jane
- Harpochytrium vermiculare Pascher
- Harpochytrium vermiforme Steinecke
- Harpochytrium viride Scherffel
- Harpochytrium zygnematacearum Skuja
- HARRISICHARA L.J. Grambast
- Harrisichara bisulcata (Peck & Reker) Horn af Rantzien
- Harrisichara bressonii ('bressoni') Castel & L. Grambast
- Harrisichara bressonii subsp. major M. Feist-Castel
- Harrisichara denticulata M. Feist-Castel
- Harrisichara diastemosa M. Feist-Castel
- Harrisichara honghuensis Zhen Wang
- Harrisichara lineata L. Grambast
- Harrisichara margaritata Zhen Wang
- Harrisichara mitella (Peck & Reker) Horn af Rantzien
- Harrisichara monspeliensis M. Feist-Castel
- Harrisichara paracylindrica G.D. Yang
- Harrisichara saportae M. Feist-Castel
- Harrisichara squarrulosa Castel & L. Grambast
- Harrisichara stipitata G.D. Yang
- Harrisichara vasiformis (Reid & Groves) L. Grambast
- HARRISONII E.M. Nelson
- Harrisonii serians (L.A. Brébisson) E.M. Nelson
- HARTMANIA R.D. Wood \{also on card: subsection of Chara\}
- HARVEYA S.O. Gray mss.
- HARVEYELLA F. Schmitz & J. Reinke
- Harveyella mirabilis (P.F. Reinsch) F. Schmitz & J. Reinke
- Harveyella pachyderma (P.F. Reinsch) E.A.L. Batters
- Harveyella verrucosa W.A. Setchell, inval.
- HASLEA R. Simonsen
- Haslea crucigera (W. Smith) Simonsen (CAS)
- Haslea crucigeroides (Hustedt) Simonsen (CAS)
- Haslea crystallina (Hustedt) Simonsen (CAS)
- Haslea frauenfeldii (Grunow) Simonsen (CAS)
- Haslea gigantea (F. Hustedt) R. Simonsen
- Haslea gigantea var. tenuis von Stosch (CAS)
- Haslea gretharum Simonsen (CAS)
- Haslea gretharum {verso}
- Haslea howeana (Hagelstein) Giffen (CAS)
- Haslea hyalinissima Simonsen (CAS)
- Haslea indica Desikachary & Prema
- Haslea kjellmanii (Cleve) Simonsen (CAS)
- Haslea kjellmanii var. subconstricta (Grunow) Desikachary, Gowthaman, & Latha
- Haslea nautica (Cholnoky) Giffen (CAS)
- Haslea ostrearia (F.B. Gaillon) R. Simonsen
- Haslea subagnita (Proshkina-Lavrenko) Makarova & Karaeva
- Haslea sulcata (Cleve) Simonsen (CAS)
- Haslea trompii (Cleve) Simonsen (CAS)
- Haslea vitrea (Cleve) Simonsen (CAS)
- Haslea wawrikae (Hustedt) Simonsen (CAS)
- HASSALIA {see HASSALLIA}
- HASSALLIA Berkeley
- HASSALLIA Berkeley mss
- HASSALLIA Trevisan
- HASSALLIA {verso}
- HASSALLIA Berkeley ex Bornet & Flahault \{also on card: non Trevisan1898\}
- HASSALLIA (Berkeley) Kirchner \{also on card: Section of Tolypothrix\}
- Hassallia allmanii ('allmani') (Hassall) Trevisan
- Hassallia bouteillei (Bréb.) Bornet & Flahault
- Hassallia bouteillei Bornet & Flahault
- Hassallia brevis Gardner
- Hassallia byssoidea (C. Agardh) Hassall
- Hassallia byssoidea Hassall ex Bornet & Flahault
- Hassallia byssoidea f. lignicola Bornet & Flahault
- Hassallia byssoidea var. polyclados Frémy
- Hassallia byssoidea var. polyclados Frémy
- Hassallia byssoidea f. saxicola Grunow
- Hassallia compacta (C. Agardh) Hassall
- Hassallia cryptophila (Hassall) Trevisan
- Hassallia discoidea Gardner
- Hassallia fragilis Gardner
- Hassallia granulata Gardner
- Hassallia heterogenea Gardner
- Hassallia hookeriana (Berkeley & Hassall) Trevisan
- Hassallia insignis (Hassall) Trevisan
- Hassallia limbata (Greville) Hassall
- Hassallia manginii ('mangini') Frémy
- Hassallia manginii ('mangini') Frémy
- Hassallia murorum (Grev.) Trevisan
- Hassallia ocellata (Dillwyn) Hassall
- Hassallia pulvinata Frémy
- Hassallia rechingeri Wille
- Hassallia rechingeri f. saxicola Wille
- Hassallia rugulosa Gardner
- Hassallia scytonematoides Gardner
- Hassallia turfosa (Persoon) Hassall
- Hassallia usambarensis Hieronymus
- HAUCKIA A. Borzì
- HAUCKIA Borzì
- Hauckia insularis Borzì
- HAWAIIA G.J. Hollenberg
- Hawaiia trichia Hollenberg
- HAYASTER J.D. Bukry
- Hayaster perplexus (Bramlette & Riedel) Bukry
- HAYELLA S. Gartner
- Hayella situliformis Gartner
- HAYELLA P. H. Roth \{also on card: non Gartner\}
- Hayella elegans P. H. Roth
- HAYESITES H. Manivit
- Hayesites bulbus Thierstein
- HAYNALDELLA J. Pantocsek
- Haynaldella antiqua (Pantocsek) Pantocsek
- HAYNALDIA J. Pantocsek
- Haynaldia antiqua Pantocsek (CAS)
- Haynaldia strigillata (Witt) Hanna
- HAYNALDIELLA 'Pantocsek'
- HAZENIA H.C. Bold
- Hazenia mirabilis Bold
- HEBECYSTA J.P. Bujak & Fisher
- Hebecysta brevicornuta Bujak & Fisher
- HECATONEMA C.F. Sauvageau
- Hecatonema aggregatum (Dangeard) Pedersen
- Hecatonema clavatum Setchell & Gardner
- Hecatonema columellare ('columellaris') (Børgesen) Balakrishnan & Kinkar
- Hecatonema diffusum J.H. Kylin
- Hecatonema enhali (Børgesen) Balakrishnan & Kinkar
- Hecatonema faeroense ('faeroeense') (Børgesen) Levring
- Hecatonema floridanum ('floridana') (W.R. Taylor) W. R. Taylor
- {scanning error}
- Hecatonema foecundum (H.F.G. Strömfelt) S. Loiseaux
- Hecatonema fucicola Kylin
- Hecatonema globosum (Reinke) Batters
- Hecatonema hispanicum (Sauvageau) Loiseaux
- Hecatonema kjellmanii ('kjellmani') Nordst.
- Ectocarpus reptans Crouan
- Hecatonema lawsonii W.A. Setchell & N.L. Gardner
- Hecatonema liagorae (Feldmann) Hamel
- Hecatonema liechtensternii (Hauck) Batters
- Hecatonema maculans (Collins) Sauvageau
- Hecatonema maculans f. sauvageaui ('sauvageauii') Collins
- Hecatonema maculans f. solutum ('soluta') Collins
- Hecatonema maculans f. solutum F. S. Collins
- Hecatonema primarium (W.A. Setchell & N.L. Gardner) S. Loiseaux
- Hecatonema reptans C.F. Sauvageau
- Hecatonema reptans J.H. Kylin
- Hecatonema sargassi Noda
- Hecatonema sargassicola Børgesen
- Hecatonema speciosum (Børgesen) Cotton
- Hecatonema stewartense ('stewartensis') Chapman
- Hecatonema streblonematoides (W.A. Setchell & N.L. Gardner) S. Loiseaux
- Hecatonema terminale ('terminalis') (F.T. Kützing) J.H. Kylin
- Hecatonema variabile W.A. Setchell & N.L. Gardner
- HECTASTRUM W.B. Turner
- HEDINIELLA J.N.F. Wille
- Hediniella pamirica Wille
- HEDOPHYLLUM W.A. Setchell
- HEDOPHYLLUM W.A. Setchell
- Hedophyllum bongardianum (P. & R.) Yendo
- Hedophyllum kuroshioense Segawa
- Hedophyllum kuroshioense Segawa {verso}
- Hedophyllum sessile (C.A. Agardh) W.A. Setchell
- Hedophyllum sessile (C.A. Agardh) W.A. Setchell
- Hedophyllum spirale Yendo
- Hedophyllum spirale f. kamtschatkense ('kamtschatkensis') Yendo
- Hedophyllum subsessile (J.E. Areschoug) W.A. Setchell
- Hedophyllum subsessile (Areschoug) Setchell
- HEDRAEOPHYSA W.S. Kent
- Hedraeophysa bulla (Kent) W.S. Kent
- HEDSTROEMIA A. Rothpletz
- Hedstroemia aequalis Høeg
- Hedstroemia australis ('australe') J. H. Johnson
- Hedstroemia bifilosa Rothpletz
- Hedstroemia corymbosa Pia
- Hedstroemia halimedoidea Rothpletz
- Hedstroemia nidarosiensis Høeg
- HEERINGIA J.L. Blum \{also on card: sect. of Vaucheria\}
- HEGNERIA E.J.A. Brumpt & G. Lavier
- Hegneria leptodactyli Brumpt & Lavier
- HEIBERGELLA J.P. Bujak & Fisher
- Heibergella aculeata Bujak & Fisher
- Heibergella asymmetrica Bujak & Fisher
- Heibergella salebrosacea Bujak & Fisher
- HEIBERGIA R.K. Greville
- Heibergia abercrombieana (Greville) Kuntze (CAS)
- Heibergia amabilis (Greville) Kuntze (CAS)
- Heibergia barbadensis Greville (CAS)
- Heibergia brunii (Bergon) Kuntze (CAS)
- Heibergia davyana (Greville) Kuntze (CAS)
- Heibergia davyana var. barbadensis (Greville) Kuntze (CAS)
- Heibergia divergens (Bergon) Kuntze (CAS)
- Heibergia elegans (Greville) Kuntze (CAS)
- Heibergia formosa (Bergon) Kuntze (CAS)
- Heibergia gratiosa (Greville) Kuntze (CAS)
- Heibergia inopinata (Greville) Kuntze (CAS)
- Heibergia jeremiana (Bergon) Kuntze (CAS)
- Heibergia letourneurii (Bergon) Kuntze
- Heibergia pulcherrima (Greville) Kuntze (CAS)
- Heibergia temperei (Bergon) Kuntze (CAS)
- Heibergia tripodiformis (Bergon) Kuntze (CAS)
- Heibergia variegata (Greville) Kuntze (CAS)
- Heibergia venulosa (Greville) Kuntze (CAS)
- HEIMANSIA P.F.M. Coesel
- Heimansia pusilla (L. Hilse) P.F.M. Coesel
- Heimansia tumida (L.N. Johnson) P.F.M. Coesel
- Heimansia tumida var. evoluta (Scott & Grönblad) P.F.M. Coesel
- HEIMIELLA H. Lohmann
- Heimiella excentrica Lohmann
- HEIMIOCHRYSIS P. Bourrelly
- Heimiochrysis actinotrichia Bourrelly
- Heimiochrysis borealis Skuja
- HEINECKIA H. Lohmann
- HELCOMASTIX G.A. Senn
- Helcomastix globosa Senn
- Helcomastix ovalis Lantzsch
- HELENEA T.R. Worsley
- Helenea chiastia Worsley
- Helenea staurolithina Worsley
- HELEOCHLORIS A.A. Korshikov
- Heleochloris conica Korshikov
- Heleochloris conica f. minor Hortobágyi
- Heleochloris mucosa (Fott) Fott
- Heleochloris pallida Korshikov
- HELEOCOCCUS A.A. Korshikov
- Heleococcus mucicola Korshikov
- Heleococcus polyvacuolatus Fott
- Heleococcus ramosissimus (Korshikov) Hindák
- HELGOLANDINIUM H.A. Stosch
- Helgolandinium subglobosum Stosch
- Heliactis punctata Kützing in litt.
- HELIACTIS Kützing
- HELIAKTIS A.A. Pascher
- Heliaktis conradiana Pascher
- Heliaktis parvula Pascher
- Heliaktis regularis Pascher
- HELIAPSIS A.A. Pascher
- Heliapsis achromatica Norris
- Heliapsis mutabilis Pascher
- HELICODICTYON L.A. Whitford & G.J. Schumacher
- Helicodictyon planctonicum (Whitford) Whitford & Schumacher
- HELICOLITHUS D. Noël
- Helicolithus anceps (Górka) Noël
- Helicolithus stillatus Forchheimer
- HELICONEMA J.W. Schopf
- Heliconema australiense ('australiensis') Schopf
- Heliconema funiculum Schopf & Blacic
- HELICOPONTOSPHAERA W.W. Hay & H. Mohler
- Helicopontosphaera ampliaperta (Bramlette & Wilcoxon) Hay
- Helicopontosphaera ampliaperta (Bramlette & Wilcoxon) Perch-Nielsen
- Helicopontosphaera burkei (M. Black) S.W. Wise, Jr.
- Helicopontosphaera compacta (Bramlette & Wilcoxon) Hay
- Helicopontosphaera compacta (Bramlette & Wilcoxon) P.H. Roth
- Helicopontosphaera compacta (Bramlette & Wilcoxon) Gartner
- Helicopontosphaera compacta (Bramlette & Wilcoxon) Perch-Nielsen
- Helicopontosphaera dinesenii Perch-Nielsen
- Helicopontosphaera euphratis (Haq) Bukry
- Helicopontosphaera granulata Bukry & Percival
- Helicopontosphaera heezenii Bukry
- Helicopontosphaera hyalina (Gaarder) C. Mu\*:ller
- Helicopontosphaera intermedia (Martini) Hay & Mohler
- Helicopontosphaera kamptneri Hay & Mohler
- Helicopontosphaera lophota (Bramlette & Sullivan) Haq
- Helicopontosphaera lophota (Bramlette & Sullivan) Perch-Nielson
- Helicopontosphaera obliqua (Bramlette & Wilcoxon) P. Roth & Thierstein
- Helicopontosphaera obliqua (Bramlette & Wilcoxon) Haq
- Helicopontosphaera orientalis (Black) Jafar
- Helicopontosphaera papillata Bukry & Bramlette
- Helicopontosphaera parallela (Bramlette & Wilcoxon) Hay
- Helicopontosphaera parallela (Bramlette & Wilcoxon) Gartner
- Helicopontosphaera perch-nielseniae ('perch-nielsenasae') Haq
- Helicopontosphaera recta (Haq) Bukry
- Helicopontosphaera reticulata (Bramlette & Wilcoxon) P. H. Roth
- Helicopontosphaera reticulata (Bramlette & Wilcoxon) Gartner
- Helicopontosphaera rhomba Bukry
- Helicopontosphaera salebrosa Perch-Nielsen
- Helicopontosphaera sellii Bukry & Bramlette
- Helicopontosphaera seminula ('seminulum') (Bramlette & Sullivan) Hay
- Helicopontosphaera seminula ('seminulum') (Bramlette & Sullivan) P. H. Roth
- Helicopontosphaera seminula [var.] seminula ('seminulum') (Bramlette & Sullivan) Gartner
- Helicopontosphaera seminula ('seminulum') (Bramlette & Sullivan) Perch-Nielsen
- Helicopontosphaera seminula [var.] lophota (Bramlette & Sullivan) Gartner
- {Scanning error}
- Helicopontosphaera subantarctica A. R. Edwards & Perch-Nielsen
- Helicopontosphaera truncata (Bramlette & Wilcoxon) P.H. Roth
- Helicopontosphaera wallichii ('wallichi') (Lohmann) Boudreaux & Hay
- Helicopontosphaera wilcoxonii Gartner
- HELICOSPHAERA E. Kamptner
- Helicosphaera ampliaperta Bramlette & Wilcoxon
- {Scanning error}
- Helicosphaera burkei M. Black
- Helicosphaera californiana D. Bukry
- Helicosphaera carteri (Wallich) Kamptner
- Helicosphaera compacta Bramlette & Wilcoxon
- Helicosphaera crouchii D. Bukry
- Helicosphaera dinesenii (Perch-Nielsen) Jafar & Martini
- Helicosphaera euphratis Haq
- Helicosphaera gertae D. Bukry
- Helicosphaera granulata (Bukry & Percival) Jafar & Martini
- Helicosphaera heezenii (Bukry) Jafar & Martini
- Helicosphaera hyalina Gaarder
- Helicosphaera intermedia Martini
- Helicosphaera lophota (Bramlette & Sullivan) Jafar & Martini
- Helicosphaera neolophota D. Bukry
- Helicosphaera obliqua Bramlette & Wilcoxon
- Helicosphaera orientalis Black
- Helicosphaera pacifica Carla Müller & Brönnimann
- Helicosphaera papillata (Bukry & Bramlette) Jafar & Martini
- Helicosphaera parallela Bramlette & Wilcoxon
- Helicosphaera pavimentum H. Okada & McIntyre
- Helicosphaera perch-nielseniae (Haq) Jafar & Martini
- Helicosphaera recta (Haq) Jafar & Martini
- Helicosphaera reticulata Bramlette & Wilcoxon
- Helicosphaera rhomba (Bukry) Jafar & Martini
- Helicosphaera scissura P.L. Miller
- Helicosphaera sellii (Bukry & Bramlette) Jafar & Martini
- Helicosphaera seminula ('seminulum') Bramlette & Sullivan \{also handwritten on card: subsp. seminulum\}
- Helicosphaera seminula subsp. lophota Bramlette & Sullivan
- Helicosphaera seminula subsp. recta Haq
- Helicosphaera truncata Bramlette & Wilcoxon
- Helicosphaera vedderi D. Bukry
- Helicosphaera walbersdorfensis Carla Müller
- Helicosphaera wallichii (Lohmann) His. Okada & McIntyre
- Helicosphaera wilcoxonii (Gartner) Jafar & Martini
- HELICOTHAMNIUM F.T. Kützing
- HELICOTHAMNION F.T. Kützing
- HELICOTHAMNION (Kützing) J. Agardh \{also on card: subgenus of Bostrychi\'85\}
- Helicothamnion calamistratum (Mont.) Kützing
- Helicothamnion callipterum (Mont.) Kützing
- Helicothamnion piluliferum (Mont.) Kützing
- Helicothamnion scorpioides (Roth) Kützing
- HELICOTHECA M. Ricard
- Helicotheca tamesis (Shrubsole) M. Ricard (CAS)
- HELIERELLA Bory
- Helierella aboensis (Elfving) Kuntze
- Helierella abrupta (Nordstedt) Kuntze
- Helierella adscendens (Nordstedt) Kuntze
- Helierella affinis (Ralfs) Kuntze
- Helierella alata (Wallich) Kuntze
- Helierella ambigua (Delponte) Kuntze
- Helierella americana (Ehrenberg) Kuntze
- Helierella ampullacea (Ralfs) Kuntze
- Helierella angulosa (Hantzsch) Kuntze
- Helierella anomala (Gay) Kuntze
- Helierella ansata (Ralfs) Kuntze
- Helierella apiculata (Ehrenberg) Kuntze
- Helierella arcuata (Bailey) Kuntze
- Helierella attenuata (Wolle) Kuntze
- Helierella baileyi (Ralfs) Kuntze
- Helierella bella (Nordstedt) Kuntze
- Helierella bennettii Kuntze
- Helierella berlinii (Boldt) Kuntze
- Helierella binalis (Turpin) Kuntze
- Helierella boryana Turpin
- Helierella brachyptera (Lundell) Kuntze
- Helierella breviceps (Nordstedt) Kuntze
- Helierella bulnheimiana Kuntze
- Helierella candiana (Delponte) Kuntze
- Helierella ceratofera_('ceratophora') (Joshua) Kuntze
- Helierella circularis (Hassall) Kuntze
- Helierella compacta (Wolle) Kuntze
- Helierella conferta (Lundell) Kuntze
- Helierella coralloides_('corallodes') (Joshua) Kuntze
- Helierella cornuta (Kützing) Kuntze
- Helierella coronata (Turner) Kuntze
- Helierella crassa (Brébisson) Kuntze
- Helierella crassicollis (Lundell) Kuntze
- Helierella crenulata Kuntze
- Helierella cruciata (Wallich) Kuntze
- Helierella crucigenia (Kützing) Brébisson
- Helierella crux-africana (Cohn) Kuntze
- Helierella crux-melitensis_('crux-melittensis') (Ehrenberg) Kuntze
- Helierella cuneata (Jenner ex Ralfs) Kuntze
- Helierella cuspidata (Wolle) Kuntze
- Helierella decemdentata (Nägeli) Kuntze
- Helierella delpontei (Lagerheim) Kuntze
- Helierella denticulata (Brébisson & Godey) Kuntze
- Helierella depauperata (Nordstedt) Kuntze
- Helierella detoniana Kuntze
- Helierella dichotoma (Wolle) Kuntze
- Helierella didelta (Ralfs) Kuntze
- Helierella divaricata (Lundell) Kuntze
- Helierella divergens (Joshua) Kuntze
- Helierella donnellii (Wolle) Kuntze
- Helierella elegans (Brébisson) Kuntze
- Helierella elegantula (Perty) Kuntze
- Helierella erosa (Lundell) Kuntze
- Helierella euastroides_('euastrodes') (Joshua) Kuntze
- Helierella exilis (Joshua) Kuntze
- Helierella expansa (Bailey) Kuntze
- Helierella fenestrata (Corda) Kuntze
- Helierella fimbriata (Ralfs) Kuntze
- Helierella flammea (Joshua) Kuntze
- Helierella floridana (Turner) Kuntze
- Helierella foliacea (Bailey) Kuntze
- Helierella formosa (Wolle) Kuntze
- Helierella furcata (C. Agardh) Kuntze
- Helierella gayana (De Toni) Kuntze
- Helierella gemmata (Brébisson) Kuntze
- Helierella gigantea (Wood) Kuntze
- Helierella halis (Raciborski) Kuntze
- Helierella heptactis (Ehrenberg) Brébisson
- Helierella holocystoides_('holocystodes') (Nordstedt) Kuntze
- Helierella humerosa (Ralfs) Kuntze
- Helierella hypochondra (Nordstedt) Kuntze
- Helierella incavata (Josh. & Nordstedt) Kuntze
- Helierella incisa (Brébisson) Kuntze
- Helierella incrassata (Nordstedt) Kuntze
- Helierella inermis (Ralfs) Kuntze
- Helierella insignis (Hassall) Kuntze
- Helierella integra (Nordstedt) Kuntze
- Helierella intermedia (Cleve) Kuntze
- Helierella janejra (Raciborski) Kuntze
- Helierella jenneri (Ralfs) Kuntze
- Helierella joshuana Kuntze
- Helierella kirchneri Kuntze
- Helierella kitchellii (Wolle) Kuntze
- Helierella kuetzingiana (Reinsch) Kuntze
- Helierella laticeps (Nordstedt) Kuntze
- Helierella latipes (Nordstedt) Kuntze
- Helierella longicollis (Nordstedt) Kuntze
- Helierella lundellii (Bennett) Kuntze
- Helierella lux (Joshua) Kuntze
- Helierella lyngbyi Bory
- Helierella magnifica (Wolle) Kuntze
- Helierella mahabuleshwarensis (Hobson) Kuntze
- Helierella mamillata_('mamilata') (Turner) Kuntze
- Helierella mamillosa (Wolle) Kuntze
- Helierella mucronata (Dixon) Kuntze
- Helierella multifida (Wolle) Kuntze
- Helierella multigibbera (Nordstedt) Kuntze
- Helierella multilobata (Wood) Kuntze
- Helierella muricata (Ralfs) Kuntze
- Helierella napoleonis Turpin
- Helierella nordstedtiana (Wolle) Kuntze
- Helierella nummularia (Delponte) Kuntze
- Helierella obesa (Joshua) Kuntze
- Helierella oblonga (Greville) Kuntze
- Helierella obtusa (Wolle) Kuntze
- Helierella orbicularis (Wallich) Kuntze
- Helierella ornata (Wood) Kuntze
- Helierella ornithocephala (Bennett) Kuntze
- Helierella oscitans (Ralfs) Kuntze
- Helierella papilio (Raciborski) Kuntze
- Helierella papillifera (Brébisson) Kuntze
- Helierella pecten (Ehrenberg) Kuntze
- Helierella pectinata (Brébisson) Kuntze
- Helierella pinguis (Elfving) Kuntze
- Helierella pinnata (Ralfs) Kuntze
- Helierella platycera (Reinsch) Kuntze
- Helierella platyptera (Turner) Kuntze
- Helierella pseudelegans (Turner) Kuntze
- Helierella pseudofurcata (Wolle) Kuntze
- Helierella pseudotorreyi (Wolle) Kuntze
- Helierella pulchella (Brébisson) Kuntze
- Helierella pura (Wolle) Kuntze
- Helierella pusilla (Wallich) Kuntze
- Helierella quadrata (Bailey) Kuntze
- Helierella quadriceps (Nordstedt) Kuntze
- Helierella rabenhorstii (Delponte) Kuntze
- Helierella radiosa (Acharius) Kuntze
- Helierella renicarpa Turpin
- Helierella retrorsa (Joshua) Kuntze
- Helierella ringens (Bailey) Kuntze
- Helierella rostrata (Ralfs) Kuntze
- Helierella rotata (Greville) Kuntze
- Helierella schweinfurthii (Cohn) Kuntze
- Helierella sendtneriana (Reinsch) Kuntze
- Helierella serrata (Joshua) Kuntze
- Helierella sibirica (Boldt) Kuntze
- Helierella simplex (Meyen) Brébisson
- Helierella sinuosa (Lenormand) Kuntze
- Helierella sol (Ehrenberg) Kuntze
- Helierella speciosa (Wolle) Kuntze
- Helierella sphyroides_('sphyrodes') (Nordstedt) Kuntze
- Helierella spinulosa (Delponte) Kuntze
- Helierella stellata (Nordstedt) Kuntze
- Helierella subincisa (Reinsch) Kuntze
- Helierella subintegra (Nordstedt) Kuntze
- Helierella suboblonga (Nordstedt) Kuntze
- Helierella substellata (Nordstedt) Kuntze
- Helierella subtetragona (Delponte) Kuntze
- Helierella tetraloba (Nordstedt) Kuntze
- Helierella thomasiana (Archer) Kuntze
- Helierella torreyi (Bailey) Kuntze
- Helierella triangularis (Wolle) Kuntze
- Helierella trifolium (Cohn) Kuntze
- Helierella tropica (Nordstedt) Kuntze
- Helierella truncata (Corda) Kuntze
- Helierella turgida (Wallich) Kuntze
- Helierella urniformis (Wolle) Kuntze
- Helierella ventricosa (Lundell) Kuntze
- Helierella venusta (Reinsch) Kuntze
- Helierella verrucosa (Ehrenberg) Kuntze
- Helierella wallichii (Grunow) Kuntze
- Helierella warmingii Kuntze
- Helierella wollei (Lagerheim) Kuntze
- HELIKOTROPIS Pochmann
- HELIKOTROPIS Pochmann
- Helikotropis okteres Pochmann
- Helikotropis okteres Pochmann
- HELIOBODO A. Valkanov
- Heliobodo radians Valkanov
- HELIOCHRYSIS Pascher
- Heliochrysis eradians Pascher
- Heliochrysis eradians var. stigmatica H. Ettl
- Heliochrysis sphagnicola Pascher
- HELIODINIUM Alberti
- Heliodinium patriciae Neale & Sarjeant
- Heliodinium voigtii ('voigti') Alberti
- HELIODISCOASTER Sin Hok Tan
- HELIODISCOASTER (Sin Hok Tan) Stradner \{also on card: subgenus of Discoaster\}
- HELIODISCOASTER (Sin Hok Tan) Deflandre
- Heliodiscoaster barbadiensis (Sin Hok Tan) Deflandre
- Heliodiscoaster barbadiensis var. bebalaini (Sin Hok Tan) Deflandre
- Heliodiscoaster barbadiensis subsp. elegans [Prins]
- Heliodiscoaster cayeuxii_('cayeuxi') Filipescu & Hanganu
- Heliodiscoaster cernaensis Filipescu & Hanganu
- Heliodiscoaster concentricus Filipescu & Hanganu
- Heliodiscoaster deflandrei Filipescu & Hanganu
- Heliodiscoaster diastypus [Prins] subsp. diastypus
- Heliodiscoaster diastypus subsp. salisburgensis [Prins]
- Heliodiscoaster ehrenbergii ('ehrenbergi') (Sin Hok Tan) Deflandre
- Heliodiscoaster fenestratus Shamrai \{Shamraj, no Shamrai, in APN\}
- Heliodiscoaster floridus (Shamrai & Las.) Shamrai \{ Shamraj, no Shamrai, in APN\}
- Heliodiscoaster irregularis Filipescu & Hanganu
- Heliodiscoaster rhombiformis Gorulevskaya
- Heliodiscoaster rumanus Filipescu & Hanganu
- Heliodiscoaster saipanensis [Prins]
- HELIOLITHUS Bramlette & Sullivan
- Heliolithus cantabriae Perch-Nielsen
- Heliolithus conicus Perch-Nielsen
- Heliolithus helianthus Hay & Towe
- Heliolithus kleinpellii ('kleinpelli') Sullivan
- Heliolithus riedelii ('riedeli') Bramlette & Sullivan
- Heliolithus universus F.H. Wind & S.W. Wise, Jr.
- HELIOPELTA Ehrenberg
- Heliopelta dollondii Ehrenberg
- Heliopelta euleri Ehrenberg
- Heliopelta leeuwenhoekii Ehrenberg
- Heliopelta metii Ehrenberg
- {Scanning error}
- Heliopelta muelleri ('mülleri') Ehrenberg
- Heliopelta nitida Greville
- Heliopelta phaeton C. Johnston
- Heliopelta polyodon Ehrenberg
- Heliopelta selliguei ('selligueii') Ehrenberg
- Heliopelta selliquerii {err. cit.}
- Heliopelta stelliformis ('stelliforme') Miller & Dyer
- HELIOPORELLA Sokaè & Nikler
- Helioporella cylindrica Sokaè & Nikler
- HELIORTHUS Brönnimann & Stradner
- Heliorthus chiastus (M.N. Bramlette F.R. Sullivan) D. Bukry
- Heliorthus concinnus (Martini) Hay & Mohler
- Heliorthus denticulatus Perch-Nielsen
- Heliorthus distentus (Bramlette & Sullivan) Perch-Nielsen
- Heliorthus fallax Brönnimann & Stradner
- Heliorthus junctus (Bramlette & Sullivan) Hay & Mohler
- Heliorthus tenuis Stradner
- HELIOS Cramer
- Helios aranaides Cramer
- HELIOSPERMOPSIS Nagy
- Heliospermopsis hungarica_('hungaricus') Nagy
- HELIOTHRICHUM Wille
- Heliothrichum radians Wille
- HELIOTRICHUM Wille ex Gomont
- Heliotrichum radians Wille ex Kirchner
- HELISCOPHORA Endlicher \{ also on card: [Section of] Chrysymeni\'85\}
- HELISELLA Jurilj
- HELISSELA Jurilj
- HELISSELLA Jurilj
- Helissella glabra Jurilj
- HELISSSELLA Jurilj
- HELKESIMASTIX Woodcock & Lapage
- Helkesimastix major Woodcock & Lapage
- Helkesimastix faecicola Woodcock & tapage
- HELLADOSPHAERA Kamptner
- HELLADOSPHAERA Kamptner
- HELLADOSPHAERA \{ also on card: subgenus CYCLOHELLADOSPHAERA J. Lecal\}
- Helladosphaera arethusae ('aerthusae') (Kamptner) R. E. Norris
- Helladosphaera aurisinae Kamptner
- Helladosphaera cornifera (Schiller) Kamptner
- Helladosphaera dalmatica (Kamptner) H. Okada & McIntyre
- Helladosphaera fastigata H. Okada & McIntyre
- Helladosphaera fragaria (Kamptner) Gaarder
- Helladosphaera gaarderae ('gaarderii') A.M. Borsetti & F. Cati
- Helladosphaera gracilis (Kamptner) R. E. Norris
- Helladosphaera isselii A.M. Borsetti & F. Cati
- Helladosphaera lafourcadei ('lafourcadii') J. Lecal
- Helladosphaera pienaarii R. E. Norris
- Helladosphaera magnaghii A.M. Borsetti & F. Cati
- Helladosphaera poritectum B.R. Heimdal
- Helladosphaera richardii ('richardi') F. Bernard
- Helladosphaera strigilis (Gaarder) Borsetti & Cati
- Helladosphaera strigillata Lecal-Schlauder
- HELMINTHIOPSIS J. Agardh
- Helminthiopsis purpurifera (J. Agardh) Papenfuss
- Helminthiopsis rosea J. Agardh
- Helminthiopsis verticillifera J. Agardh
- HELMINTHOCHORTON Zanardini
- Helminthochorton coccineum Zanardini
- Helminthochorton miniatum (Lamx.) Zanardini
- Helminthochorton officinale Zanardini
- Helminthochorton spinellum (C. Agardh) Zanardini
- HELMINTHOCHORTOS Link
- Helminthochortos coccineum Zanardini
- Helminthochortos officinalis Link
- HELMINTHOCLADIA Harvey
- Helminthocladia griffithsiana (Greville) Harvey
- Helminthocladia vermicularis (Agardh) Harvey
- Helminthocladia virescens (Carmichael) Harvey
- HELMINTHOCLADIA J. Agardh
- HELMINTHOCLADIA J. Agardh
- Helminthocladia agardhiana Dixon
- Helminthocladia andersonii Searles & Levis
- Helminthocladia australis Harvey
- Helminthocladia australis [var.] californica J. Agardh
- Helminthocladia australis f. ramosissima Levring
- Helminthocladia batrachopus J. Agardh
- Helminthocladia beaugleholei Womersley
- Helminthocladia californica (J. Agardh) Kylin
- Helminthocladia calvadosii (Lamouroux) Setchell in litt.
- Helminthocladia calvadosii f. comorinensis Krishnamurthy & Sundararajan
- Helminthocladia calvadosii f. indica Desikachary
- Helminthocladia cassei Crouan fr.
- Helminthocladia densa (Harvey) Schmitz
- Helminthocladia dotyi Womersley
- Helminthocladia gracilis Gardner
- Helminthocladia hudsonii ('hudsoni') (C. Agardh) J. Agardh
- Helminthocladia lanceolata Reinbold in litt.
- Helminthocladia macrocephala Yamada
- Helminthocladia nizamuddinii S. Afaq-Husain & M. Shameel
- Helminthocladia papenfussii Kylin
- Helminthocladia polymorpha Reinbold in litt.
- Helminthocladia purpurea (Harv.) J. Agardh
- Helminthocladia rhizoidea Doty & Abbott
- Helminthocladia schrammii ('schrammi') Crouan fr.
- Helminthocladia senegalensis [Bodard]
- Helminthocladia senegalensis Bodard
- Helminthocladia simplex Doty & Abbott
- Helminthocladia sreeramului M. Umamaheswara Rao
- Helminthocladia stackhousei (Clemente) J. Cremades
- Helminthocladia tumens (J. Agardh) J. Agardh
- Helminthocladia yendoana Narita
- HELMINTHOGLOEA Pascher
- Helminthogloea ramosa Pascher
- Helminthoida abnormis Ulrich
- Helminthoida appendiculata Heer
- Helminthoida carrosiensis Squinabol
- Helminthoida exacta Ulrich
- Helminthoida irregularis Squinabol
- Helminthoida labyrinthica Heer
- Helminthoida subcrassa Ulrich
- Helminthoida vaga Ulrich
- HELMINTHONEMA Kützing
- HELMINTHONEMA Kützing
- Helminthonema defractum (Velley) Kützing
- Helminthonema refractum (J.E. Smith) Ku\*:tzing
- HELMINTHOPSIDELLA Silva
- Helminthopsidella drepanodes (Schrader) Silva
- Helminthopsidella elachista (Schrader) Silva
- Helminthopsidella ortha (Schrader) Silva
- Helminthopsidella sokolii (Hanna & Brigger) Silva
- Helminthopsidella weissflogii (Van Heurck) Silva
- HELMINTHOPSIS Heer
- Helminthopsis intermedia Heer
- Helminthopsis labyrinthica Heer
- Helminthopsis magna Heer
- HELMINTHOPSIS Van Heurck \{also on card, handwritten: "in litt."\}
- HELMINTHOPSIS Van Heurck \{also on card, handwritten: non Heer 1877\}
- Helminthopsis drepanodes Schrader
- Helminthopsis elachista Schrader
- Helminthopsis ortha Schrader
- Helminthopsis sokolii_('sokoli') Hanna & Brigger
- Helminthopsis weissflogii Van Heurck
- Helminthopsis wornardtii ('wornardti') Hajós
- HELMINTHORA Fries
- HELMINTHORA \{also on card: sect. or subgen. GLOEOSIPHONIA (Carmichael) E. M. Fries\}
- HELMINTHORA (Fries) Trevisan \{also on card: subgenus of Dudresnaya}
- HELMINTHORA J. Agardh
- HELMINTHORA J. Agardh
- Helminthora agardhii Fries
- Helminthora antillarum Crouan fr.
- Helminthora australis J. Agardh
- Helminthora australis f. epiphytica Levring
- Helminthora australis f. pyramidalis Levring
- Helminthora capillaris (Hudson) Kützing
- Helminthora clavata Kützing
- Helminthora dendroidea Crouan fr.
- Helminthora dendroidea Crouan fr.
- Helminthora densa (Harvey) Desikachary
- Helminthora divaricata (Agardh) J. Agardh
- Helminthora furcellata (Reinbold) Martin
- Helminthora guadelupensis Crouan fr.
- Helminthora lindaueri Desikachary
- Scanning error
- Helminthora multifida (Web. & Mohr) Fries
- Helminthora multifida [beta] prolifera Kützing
- Helminthora multifida var. rosea [Trevisan]
- Helminthora naccarioides J. Agardh {in litter.}
- Helminthora nemalion (Bertoloni) Kützing
- Helminthora nipponica Narita
- Helminthora purpurea (Harvey) Kützing
- Helminthora purpurea var. dalmatica Kützing
- Helminthora saundersii Gardner
- Helminthora stackhousei (Clemente) J. Cremades & J. L. Pérez-Cirera
- Helminthora stricta Gardner
- Helminthora tumens J. Agardh
- HELMINTHOSA Sirodot \{also on card: sect. of Batrachospermum\}
- HELMINTHOSA Sirodot \{also on card: sect. of Batrachospermum\}
- Helminthostachya anstantio 'J. Agardh'
- HELMYTON Rafinesque
- Helmyton glomeratum Rafinesque
- Helmyton spirale ('spiralis') Rafinesque
- HELOSHAERIDIUM Lister
- Helosphaeridium clavispinulosum Lister
- Helosphaeridium latispinosum Lister
- Helosphaeridium pseudodictyum Lister
- HEMATODINIUM Chatton & Poisson
- Hematodinium perezii ('perezi') Chatton & Poisson