• (1) Haasiella splendidissima - Hapalopilus licnoides
• (2) Hapalopilus mutans - Hebeloma helvolescens
• (3) Hebeloma hetieri - Helicoma proliferans
• (4) Helicoma proliferens - Helminthosporium lunariae
• (5) Helminthosporium lunzinense - Helotium fructigenum
• (6) Helotium fuegianum - Helvella guepinioides
• (7) Helvella hegani - Hendersonia hapalocystis
• (8) Hendersonia hedericola - Herpomyces amazonicus
• (9) Herpomyces anaplectae - Heterosporium hordei
• (10) Heterosporium hybridum - Hobsonia ackermannii
• (11) Hobsonia christiansenii - Humaria roumegueri
• (12) Humaria rubens - Hydnangium ravenelii
• (13) Hydnangium reticulatum - Hydnum padinaeforme
• (14) Hydnum paleaceum - Hygrocybe lilacina
• (15) Hygrocybe lugubris - Hygrophorus pertractus
• (16) Hygrophorus piceae - Hymenogaster luteus var. luteus
• (17) Hymenogaster lycoperdineus - Hyphodontia apacheriensis
• (18) Hyphodontia arguta - Hypochnus rubiginosus
• (19) Hypochnus rubrocinctus - Hypoderma alpinum
• (20) Hypoderma andinum - Hypotrachyna pustulifera
• (21) Hypotrachyna quaesita - Hypsizygus elongatipes
• (22) Hypsizygus ligustri - Hystrichosphaeridium tubiferum