The province North Khorasan covers an area of 28,434 km² and is situated in the northeast of Iran, southeast of Turkmenistan. The Kopet Dagh mountain range is the highest in this province with unique vegetation typess with numerous relict species. Thus it is likely to have significant lichen diversity. So far most of samples were reported from the Kopet Dagh and the surroundings of the Bojnourd.  An asterisk (*) after a literature reference denotes that the first description of the taxon is based on type material from Iran.

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List of Species

1. Acarospora cervina
2. Anamylopsora pulcherrima
3. Anaptychia ciliaris
4. Anaptychia desertorum
5. Anaptychia setifera
6. Anema nodulosum
7. Arthonia lapidicola
8. Arthonia ruderella
9. Aspicilia cheresina
10. Aspicilia coronata
11. Aspicilia oxneriana
12. Caloplaca aegyptiaca
13. Caloplaca biatorina
14. Caloplaca flavorubescens
15. Caloplaca flavovirescens
16. Caloplaca marmorata
17. Caloplaca polycarpoides
18. Caloplaca variabilis
19. Caloplaca velana
20. Candelariella aurella
21. Cladonia furcata
22. Cladonia pocillum 
23. Cladonia pyxidata
24. Collema auriforme
25. Collema conglomeratum
26. Collema cristatum
27. Collema polycarpon
28. Collema subflaccidum
29. Dermatocarpon miniatum
30. Diploschistes ocellatus
31. Evernia prunastri
32. Fulgensia fulgens
33. Lecanora usbekica
34. Lecidella carpathica
35. Lecidella euphorea
36. Lecidella patavina
37. Lepraria caesioalba
38. Lepraria rigidula
39. Lepraria vouauxii
40. Leptogium gelatinosum
41. Leptogium lichenoides
42. Leptogium trichophorum
43. Melanelixia glabra
44. Mycobilimbia lurida
45. Ochrolechia turneri
46. Peltigera monticola
47. Peltigera praetextata
48. Peltigera rufescens
49. Physcia adscendens
50. Physcia dimidiata
51. Physcia tenella
52. Physconia enteroxantha
53. Physconia perisidiosa
54. Placidium lachneum
55. Polysporina urceolata
56. Protoparmeliopsis muralis
57. Ramalina hyrcana
58. Ramalina sinensis
59. Rhizocarpon geographicum
60. Rinodina bischoffii
61. Rinodina dubyana
62. Rinodina immersa
63. Rinodina straussii
64. Sarcogyne regularis
65. Seirophora contortuplicata
66. Squamarina concrescens
67. Toninia diffracta
68. Toninia sedifolia
69. Xanthomendoza fulva 
70. Xanthoria elegans
71. Xanthoria parietina