Fungal genera: Habrostictis [2 taxa], Hadronema [1 taxon], Hadrospora [3 taxa], Hadrotrichum [53 taxa], Haematomma [92 taxa], Haematomyxa [2 taxa], Haematonectria [901 taxa], Hafellia [19 taxa], Haglundia [6 taxa], Hainesia [9 taxa], Halecania [2 taxa], Halenospora [1 taxon], Haligena [7 taxa], Halobyssus [5 taxa], Halocyphina [7 taxa], Halonectria [2 taxa], Halophytophthora [2 taxa], Halosarpheia [6 taxa], Halosphaeria [33 taxa], Halotthia [1 taxon], Hamaspora [83 taxa], Hamatocanthoscypha [8 taxa], Hamidia [1 taxon], Hanseniaspora [17 taxa], Hansenula [11 taxa], Hansfordia [36 taxa], Hansfordiella [2 taxa], Hansfordiellopsis [17 taxa], Hansfordina [2 taxa], Hansfordiopeltis [15 taxa], Hapalocystis [3 taxa], Hapalophragmiopsis [1 taxon], Hapalophragmium [7 taxa], Hapalopilus [86 taxa], Hapalosphaeria [1 taxon], Haplaria [1 taxon], Haplariopsis [3 taxa], Haplobasidion [9 taxa], Haplodothis [1 taxon], Haplographium [11 taxa], Haplomyces [1 taxon], Haplopeltheca [1 taxon], Haploporus [1 taxon], Haplopyrenula [3 taxa], Haploravenelia [5 taxa], Haplosporangium [5 taxa], Haplosporella [22 taxa], Haplothecium [2 taxa], Haplotrichum [19 taxa], Haplovalsaria [3 taxa], Hapsidascus [1 taxon], Haptoglossa [2 taxa], Haraea [1 taxon], Harikrishnaella [1 taxon], Hariotula [1 taxon], Harknessia [180 taxa], Harmoniella [1 taxon], Harpezomyces [2 taxa], Harpographium [20 taxa], Harposporium [13 taxa], Harzia [19 taxa], Harziella [3 taxa], Hebeloma [49 taxa], Hebelomina [3 taxa], Heimiomyces [10 taxa], Helicoön [8 taxa], Helicobasidium [62 taxa], Helicocephalum [2 taxa], Helicoceras [8 taxa], Helicodendron [19 taxa], Helicogermslita [3 taxa], Helicogloea [8 taxa], Helicoma [113 taxa], Helicomina [8 taxa], Helicominopsis [9 taxa], Helicomyces [35 taxa], Helicorhoidion [18 taxa], Helicosporium [167 taxa], Helicostylum [2 taxa], Helicotrichum [7 taxa], Helicoubisia [9 taxa], Helikedomyces [16 taxa], Heliocephala [1 taxon], Heliomyces [12 taxa], Heliscella [1 taxon], Heliscina [1 taxon], Heliscus [9 taxa], Helminthocarpon [9 taxa], Helminthosphaeria [2 taxa], Helminthosporium [580 taxa], Helochora [1 taxon], Helodiomyces [1 taxon], Helostroma [2 taxa], Helotiella [2 taxa], Helotium [146 taxa], Helvella [42 taxa], Hemiarcyria [3 taxa], Hemibeltrania [31 taxa], Hemicarpenteles [2 taxa], Hemicorynespora [15 taxa], Hemidothis [7 taxa], Hemileia [217 taxa], Hemimycena [41 taxa], Hemiphacidium [11 taxa], Hemithecium [63 taxa], Hemitrichia [390 taxa], Hendersonia [196 taxa], Hendersonia [271 taxa], Hendersonina [4 taxa], Hendersoniopsis [1 taxon], Hendersonula [21 taxa], Hendersonulina [4 taxa], Hendersonulina [1 taxon], Henicospora [39 taxa], Henningsia [1 taxon], Henningsiella [1 taxon], Henningsomyces [4 taxa], Henriquesia [2 taxa], Heppia [1 taxon], Heptameria [1 taxon], Heptaster [9 taxa], Hercospora [20 taxa], Hericium [86 taxa], Hermatomyces [37 taxa], Herpobasidium [9 taxa], Herposira [1 taxon], Herpothallon [15 taxa], Herpotrichia [66 taxa], Herpotrichiella [9 taxa], Herreromyces [2 taxa], Hesperomyces [1 taxon], Heteroarthrospora [2 taxa], Heterobasidion [232 taxa], Heterobotrys [2 taxa], Heterochaete [40 taxa], Heterochaetella [3 taxa], Heteroconium [23 taxa], Heterocyphelium [9 taxa], Heterodermia [1534 taxa], Heteropatella [3 taxa], Heteroporus [1 taxon], Heterosphaeria [29 taxa], Heterosporiopsis [1 taxon], Heterosporium [40 taxa], Heufleria [1 taxon], Hexagona [269 taxa], Hexagonia [304 taxa], Heydenia [2 taxa], Heydeniopsis [1 taxon], Heyderia [4 taxa], Hiatula [2 taxa], Himantia [45 taxa], Hiospira [21 taxa], Hiratsukamyces [1 taxon], Hirneola [56 taxa], Hirschioporus [25 taxa], Hirsutella [93 taxa], Hirtula [1 taxon], Hirudinaria [31 taxa], Histoplasma [17 taxa], Hobsonia [26 taxa], Hohenbuehelia [66 taxa], Holmiella [114 taxa], Holstiella [2 taxa], Holtermannia [5 taxa], Holubovaea [144 taxa], Holubovaniella [35 taxa], Holwaya [1 taxon], Homalopeltis [4 taxa], Homostegia [5 taxa], Horakiella [7 taxa], Hormiactella [5 taxa], Hormiactis [2 taxa], Hormisciella [8 taxa], Hormisciomyces [41 taxa], Hormiscium [57 taxa], Hormoascus [5 taxa], Hormoconis [4 taxa], Hormodendrum [16 taxa], Hormographiella [2 taxa], Hormomyces [6 taxa], Hormonema [18 taxa], Hormotheca [62 taxa], Huangshania [1 taxon], Hughesinia [2 taxa], Humaria [67 taxa], Humaria [5 taxa], Humarina [1 taxon], Humboldtina [1 taxon], Humicola [52 taxa], Humphreya [12 taxa], Hyalinia [15 taxa], Hyalocapnias [3 taxa], Hyalocrea [6 taxa], Hyalocurreya [1 taxon], Hyalocylindrophora [1 taxon], Hyalodendron [5 taxa], Hyaloderma [1 taxon], Hyalodictyum [3 taxa], Hyaloflorea [1 taxon], Hyalomeliolina [4 taxa], Hyalopesotum [5 taxa], Hyalopeziza [16 taxa], Hyalopleiochaeta [6 taxa], Hyalopsora [46 taxa], Hyalopus [23 taxa], Hyaloria [3 taxa], Hyaloscolecobasidium [1 taxon], Hyaloscolecostroma [1 taxon], Hyaloscypha [86 taxa], Hyalosphaera [20 taxa], Hyalospora [1 taxon], Hyalotia [2 taxa], Hyalotiella [3 taxa], Hyalotricha [1 taxon], Hyalotrochophora [1 taxon], Hybogaster [2 taxa], Hydnangium [35 taxa], Hydnellum [1 taxon], Hydnellum [19 taxa], Hydnochaete [23 taxa], Hydnopolyporus [44 taxa], Hydnotrya [6 taxa], Hydnum [93 taxa], Hydraeomyces [1 taxon], Hydrocina [5 taxa], Hydrocybe [10 taxa], Hydronectria [7 taxa], Hydropus [91 taxa], Hygroaster [4 taxa], Hygrocybe [153 taxa], Hygrophoropsis [10 taxa], Hygrophorus [84 taxa], Hymenagaricus [1 taxon], Hymenella [4 taxa], Hymeniopeltis [10 taxa], Hymenobolus [1 taxon], Hymenochaete [687 taxa], Hymenogaster [40 taxa], Hymenogloea [6 taxa], Hymenopsis [12 taxa], Hymenoscypha [12 taxa], Hymenoscyphus [429 taxa], Hymenostilbe [12 taxa], Hymenula [11 taxa], Hyperphyscia [28 taxa], Hyphochytrium [2 taxa], Hyphoderma [166 taxa], Hyphodermella [2 taxa], Hyphodiscosia [6 taxa], Hyphodontia [31 taxa], Hypholoma [156 taxa], Hyphomucor [2 taxa], Hypobryon [1 taxon], Hypocenomyce [53 taxa], Hypochniciellum [4 taxa], Hypochnicium [40 taxa], Hypochnopsis [1 taxon], Hypochnus [29 taxa], Hypocopra [147 taxa], Hypocrea [300 taxa], Hypocrella [134 taxa], Hypocreopsis [11 taxa], Hypocreopsis [1 taxon], Hypodendrum [2 taxa], Hypoderma [946 taxa], Hypodermella [70 taxa], Hypodermium [2 taxa], Hypogymnia [872 taxa], Hypohelion [72 taxa], Hypolyssus [8 taxa], Hypomyces [40 taxa], Hyponectria [21 taxa], Hypospila [4 taxa], Hypospilina [24 taxa], Hypostomum [2 taxa], Hypotrachyna [3262 taxa], Hypoxylina [1 taxon], Hypoxylon [1911 taxa], Hypsizygus [10 taxa], Hysterangium [29 taxa], Hysterium [94 taxa], Hysterocarina [1 taxon], Hysterogaster [4 taxa], Hysterographium [336 taxa], Hysteronaevia [2 taxa], Hysteropatella [7 taxa], Hysteropezizella [21 taxa], Hysteropsis [2 taxa], Hysterostegiella [18 taxa], Hysterostoma [16 taxa], Hysterostomella [57 taxa], Hysterostomina [7 taxa]