The page lists lichen species that are threatened or near threatened, ie Critically Endangered (CR), Endangered (EN), Vulnerable (VU) or Near Threatened (NT).
| Count | Name | Conservation Evaluation |
|---|---|---|
| 1 | Halecania alpivaga | VU D2 NR Sc |
| 2 | Halecania bryophila | NT NR E Sc IR |
| 3 | Halecania rhypodiza | VU D2 NR E P Sc IR |
| 4 | Haloplaca suaedae | NT NR IR |
| 5 | Hemigrapha atlantica | NT NR |
| 6 | Hertelidea botryosa | NT NR Sc |
| 7 | Heterodermia leucomelos | EN C2 NR P Eng Wa S8 IR |
| 8 | Heterodermia obscurata | NT NS Sc |
| 9 | Heterodermia propagulifera | VU D1+2 NR P S8 IR |
| 10 | Heterodermia speciosa | CR D NR P Eng |
| 11 | Hymenelia heteromorpha | VU D2 NR Sc |
| 12 | Hymenelia melanocarpa | VU D2 NR Sc |
| 13 | Hypogymnia farinacea | NT NR Sc |
| 14 | Hypogymnia vittata | VU D2 NR P Sc |
| 15 | Hypotrachyna horrescens | NT NS Wa IR |