For more information see the Supplementary Notes for the Taxon Dictionary, which explains the names and synonyms, and these Instructions on how to use the online Taxon Dictionary which includes details of the Conservation Evaluation codes.
| Count | Name | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 3031 | Haplocarpon crustulatum | (Ach.) M. Choisy (1950) | No | Porpidia crustulata | 562 | LC | ||||
| 3032 | Haplocarpon macrocarpon | (DC.) M. Choisy (1936) | No | Porpidia macrocarpa f. macrocarpa | 568 | LC | ||||
| 3033 | Haplocarpon nadvornikianum | Vězda | No | Porpidia nadvornikiana | 2402 | NT NR Sc | ||||
| 3034 | Haplocarpon nigrocruentum | (Anzi) Hertel (1973) | No | Porpidia macrocarpa f. nigrocruenta | 2399 | LC NR | ||||
| 3035 | Haplocarpon platycarpoides | (Bagl.) Hertel (1975) | No | Porpidia platycarpoides | 571 | LC | ||||
| 3036 | Haplocarpon soredizodes | (Lamy ex Nyl.) V. Wirth (1972) | No | Porpidia soredizodes | 1690 | LC | ||||
| 3037 | Hastifera tenuispora | D. Hawksw. & Poelt | No | Micarea cinerea f. tenuispora | 2341 | LC NR | ||||
| 3038 | Haugania oederi | (Ach.) E.J. Möller & Timdal (2024) | Yes | Haugania oederi | Rhizocarpon oederi | 1267 | LC M* | Haugania oederi | ||
| 3039 | Hawksworthiana peltigerae | (Keissl.) Diederich (2024_ | Yes | Hawksworthiana peltigerae | Hawksworthiana peltigericola; Ramularia peltigericola; Refractohilum peltigerae | 2069 | NE NR | LF | Hawksworthiana peltigerae | |
| 3040 | Hawksworthiana peltigericola | (D. Hawksw.) U. Braun (1988) | No | Hawksworthiana peltigerae | 2069 | NE NR | LF | |||
| 3041 | Helmutiopsis aspersa | (Borrer) S.Y. Kondr., L. Lőkös & J.-S. Hur (2021) | No | Rinodina aspersa | 201 | NT NR Sc | ||||
| 3042 | Helmutiopsis atrocinerea | (Fr.) S. Y. Kondr., L. Lőkös & J.-S. Hur | No | Rinodina atrocinerea | 1281 | LC | ||||
| 3043 | Helocarpon assimilatum | (Nyl.) M. Svenss., Myllys & Kantal. (2026) | No | Micarea assimilata | 698 | VU D2 NR SC | ||||
| 3044 | Helocarpon crassipes | Th. Fr. | No | Micarea crassipes | 1661 | currently a synonym but may be adopted as the correct name in the future | VU D2 NR Sc | |||
| 3045 | Helocarpon erraticum | (Körb.) M. Svenss., Myllys & Kantal. (2026) | No | Leimonis erratica | 719 | LC | ||||
| 3046 | Helocarpon paratropum | (Nyl.) M. Svenss., Myllys & Kantal. (2026) | No | Micarea paratropa | 1662 | LC NR Sc IR | ||||
| 3047 | Helotium cambricum | W. Phillips (nom. inval.) | No | Coenogonium luteum | 490 | LC L* | ||||
| 3048 | Hemigrapha astericus | auct. brit. | No | Hemigrapha atlantica | 2307 | NT NR | LF | |||
| 3049 | Hemigrapha atlantica | Diederich & Wedin (2000) | Yes | Hemigrapha atlantica | Hemigrapha astericus auct. brit. | 2307 | NT NR | LF | Hemigrapha atlantica | |
| 3050 | Henrica melaspora | (Taylor) Savić & Tibell (2008) | Yes | Henrica melaspora | Polyblastia melaspora; Polyblastia scotinospora | 1158 | LC NS | Henrica melaspora | ||
| 3051 | Henrica theleodes | (Sommerf.) Savić, Tibell & Nav.-Ros. (2008) | Yes | Henrica theleodes | Polyblastia inumbrata p.p.; Polyblastia theleodes sensu auct. brit. p.min.p. | 2495 | Polyblastia theleodes s. str. - non auct. brit. p.max.p. (=Sporodictyon schaererianum) | NE NR | Henrica theleodes | |
| 3052 | Herpotrichiella peltigerae | (Fuckel) D. Hawksw.(1980) | No | Knufia peltigerae | 2723 | NE NR | LF | |||
| 3053 | Herteliana gagei | (Sm.) J.R. Laundon (1980) | Yes | Herteliana gagei | Herteliana taylorii Lecidea taylorii Lecidea gagei |
557 | LC NS | Herteliana gagei | ||
| 3054 | Herteliana phaeops | (Nyl.) P. James ad int. [unpublished name] | No | Lecidea phaeops | 761 | LC | ||||
| 3055 | Herteliana taylorii | (Salwey) P. James (1980) | No | Herteliana gagei | 557 | LC NS | ||||
| 3056 | Hertelidea botryosa | (Fr.) Printzen & Kantvilas (2004) | Yes | Hertelidea botryosa | Lecidea botryosa | 703 | NT NR Sc | Hertelidea botryosa | ||
| 3057 | Heterocephalacria bachmannii | (Diederich & M.S. Christ.) Millanes &Wedin (2016) | No | Zyzygomyces bachmannii | 2239 | LC NR | LF | |||
| 3058 | Heterocephalacria physciacearum | (Diederich) Millanes & Wedin (2016) | No | Zyzygomyces physciacearum | 2240 | LC NS | LF | |||
| 3059 | Heterodermia isidiophora | auct. brit. | No | Heterodermia speciosa | 2348 | CR D NR P Eng | ||||
| 3060 | Heterodermia isidiophora | No | 1656 | BLS number no longer used |