Lichen Taxa held in MSC
| Genus | Species | N | MI | WI | S | Aus | E | Af | As | Notes | ||
| Bacidia | albella | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | arceutina | N | . | . | . | . | . | . | . | |||
| Bacidia | bagliettoana | N | MI | . | . | . | E | . | . | |||
| Bacidia | beckhausii | N | . | . | . | . | E | . | . | |||
| Bacidia | brasiliensis | . | . | . | S | . | . | . | . | |||
| Bacidia | carnea | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | circumspecta | . | MI | . | . | . | . | . | . | |||
| Bacidia | cyrtospora | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | delapsans | . | . | . | S | . | . | . | . | |||
| Bacidia | dimidiata | . | . | . | S | . | . | . | . | |||
| Bacidia | dolichospora | . | . | . | S | . | . | . | . | comb. nov. | ||
| Bacidia | fernandeziana | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | friesiana | . | . | . | . | . | E | . | . | |||
| Bacidia | fusculata | . | . | WI | . | . | . | . | . | |||
| Bacidia | hebensis | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | herbarum | ? | . | . | . | . | . | . | . | |||
| Bacidia | heterochroa | N | . | . | . | . | . | . | . | |||
| Bacidia | hyposcotina | . | . | . | S | . | . | . | . | comb. nov. | ||
| Bacidia | ignarii | . | . | . | . | . | E | . | . | |||
| Bacidia | laurocerasi | N | MI | . | S | . | E | . | . | |||
| Bacidia | masafuerea | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | medialis | N | . | . | . | . | . | . | . | |||
| Bacidia | milliana | N | . | . | . | . | . | . | . | |||
| Bacidia | milligrana | N | . | . | . | . | . | . | . | |||
| Bacidia | notarisiana | . | . | . | . | . | E | . | . | |||
| Bacidia | patellaria | . | . | . | S | . | . | . | . | |||
| Bacidia | polychroa | N | MI | . | . | . | E | . | . | |||
| Bacidia | polyspora | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | pruinella | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | psychotriae | . | . | WI | . | . | . | . | . | |||
| Bacidia | rhaphydophylla | . | WI | . | . | . | . | . | (?raphidophylli) | |||
| Bacidia | roseola | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | rosella | . | MI | . | . | . | E | . | . | |||
| Bacidia | rubella | . | MI | . | . | . | . | . | . | |||
| Bacidia | sabulatorum | N | . | . | . | . | E | . | . | |||
| Bacidia | sbarbasonsis | . | . | . | . | . | E | . | . | |||
| Bacidia | schweinitzii | N | MI | . | . | . | . | . | . | |||
| Bacidia | sclerocarpa | . | . | . | S | . | . | . | . | |||
| Bacidia | segregata | . | . | . | S | . | . | . | . | |||
| Bacidia | selkerkii | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | separabilis | . | . | . | . | . | E | . | . | |||
| Bacidia | stanhopeae | . | . | WI | . | . | . | . | . | |||
| Bacidia | subincompta | . | MI | . | . | . | . | . | . | |||
| Bacidia | sublecanorina | . | . | WI | . | . | . | . | . | |||
| Bacidia | subternella | . | . | WI | . | . | . | . | . | |||
| Bacidia | suffusa | N | MI | . | . | . | . | . | . | |||
| Bacidia | sulphurea | . | . | . | S | . | . | . | . | ad int. | ||
| Bacidia | tuberculata | . | . | . | S | . | . | . | . | |||
| Bacidia | sp. | . | . | 110 | . | . | . | . | . | |||
| Bacidina | apiahica | N | . | WI | . | . | . | . | . | |||
| Bathelium | madreporiforme | N | . | . | . | . | . | . | . | |||
| Bactrospora | brevispora | N | . | . | . | . | . | . | . | |||
| Bactrospora | dryina | N | . | . | . | . | . | . | . | |||
| Bactrospora | mesospora | N | . | . | . | . | . | . | . | |||
| Bactrospora | patellarioides | var. | convexa | . | . | . | . | . | E | . | . | |
| Baculifera | curtisii | N | . | . | . | . | . | . | . | syn. Buellia | ||
| Badimiella | sérusiauxii | . | . | . | . | Aus | . | . | . | |||
| Baeomyces | aeruginosus | N | . | . | . | . | . | . | . | |||
| Baeomyces | chilensis | . | . | . | S | . | . | . | . | |||
| Baeomyces | heteromorphus | . | . | . | . | Aus | . | . | . | |||
| Baeomyces | icmadophilus | . | . | . | . | . | E | . | . | |||
| Baeomyces | placophyllus | N | . | . | . | . | E | . | . | |||
| Baeomyces | ramalinellus | . | . | . | S | . | . | . | . | |||
| Baeomyces | rufus | N | MI | WI | . | . | E | . | . | |||
| Bellemerea | alpina | N | . | . | . | . | E | . | . | |||
| Bellemerea | cinereorufescens | . | MI | . | . | . | E | . | . | |||
| Bellemerea | diamarta | . | . | . | . | . | E | . | . | |||
| Belonia | herculina | . | . | . | . | . | E | . | . | |||
| Biatora | anthracophila | N | MI | . | . | . | . | . | . | |||
| Biatora | botryosa | N | MI | . | . | . | . | . | . | |||
| Biatora | carneoalbida | . | MI | . | . | . | . | . | . | |||
| Biatora | crenulata | N | . | . | . | . | . | . | . | |||
| Biatora | cuprea | N | . | . | . | . | E | . | . | |||
| Biatora | efflorescens | N | . | . | . | . | E | . | . | |||
| Biatora | epixanthoides | s. str. | . | MI | . | . | . | E | . | . | Mycobilimbia | |
| Biatora | exigula | N | . | . | . | . | . | . | . | |||
| Biatora | furfuracea | N | . | . | . | . | . | . | . | |||
| Biatora | fusulifera | N | . | . | . | . | . | . | . | |||
| Biatora | glaucopa | . | . | . | S | . | . | . | . | |||
| Biatora | helvola | N | . | . | . | . | . | . | . | |||
| Biatora | longispora | N | . | . | . | . | . | . | . | |||
| Biatora | hypnophila | N | . | . | . | . | . | . | . | |||
| Biatora | lecideola | . | . | . | . | . | E | . | . | |||
| Biatora | ligniarea | var. | septa | . | . | . | . | . | E | . | . | |
| Biatora | microspermoides | N | . | . | . | . | . | . | . | |||
| Biatora | mixta | N | . | . | . | . | . | . | . | |||
| Biatora | mutabilis | N | . | . | . | . | . | . | . | |||
| Biatora | pyrrhomelea | . | . | . | S | . | . | . | . | |||
| Biatora | sanguineoatra | N | . | . | . | . | . | . | . | |||
| Biatora | sorediosaa | . | . | . | . | Aus | . | . | . | |||
| Biatora | sphaeroides | N | MI | . | . | . | E | . | . | Mycobilimbia | ||
| Biatora | turgidula | N | MI | . | . | . | E | . | . | |||
| Biatora | vernalis | N | MI | . | . | . | E | . | . | |||
| Biatora | viridescens | N | . | . | . | . | . | . | . | |||
| Biatoropsis | usneae | . | . | . | . | . | E | . | . | lichenicolous | ||
| Biatorella | conspersa | . | . | WI | . | . | . | . | . | |||
| Biatorella | pumilo | . | . | . | . | . | . | Af | . | |||
| Brigantiaea | fuscolutea | N | . | . | S | . | E | . | . | |||
| Brigantiaea | leucoxantha | N | . | WI | . | . | . | . | . | |||
| Brodoa | atrofusca | . | . | . | . | . | E | . | . | |||
| Brodoa | intestiniformis | N | . | . | . | . | E | . | . | mis-IDs for NA | ||
| Brodoa | oroarctica | N | . | . | . | . | . | . | . | |||
| Bryocaulon | divergens | N | . | . | . | . | E | . | . | |||
| Bryolaria | campbelliensis | . | . | . | . | Aus | . | . | . | |||
| Bryolaria | ‘culmicola | . | . | . | . | Aus | . | . | . | |||
| Bryolaria | ‘jamaicensis | . | . | WI | . | . | . | . | . | |||
| Bryonora | castanea | N | . | . | . | . | . | . | . | |||
| Bryonora | curvescens | . | . | . | . | . | E | . | . | |||
| Bryonora | pruinosa | N | . | . | . | . | . | . | . | |||
| Bryonora | ryphariza | N | . | . | . | . | E | . | . | |||
| Bryoria | bicolor | N | . | . | . | . | E | . | . | |||
| Bryoria | capillaris | N | MI | . | . | . | E | . | . | |||
| Bryoria | cervinula | N | . | . | . | . | . | . | . | |||
| Bryoria | chalybeiformis | N | . | . | . | . | E | . | . | |||
| Bryoria | fermontii | N | . | . | . | . | E | . | . | |||
| Bryoria | furcellata | N | MI | WI | . | . | E | . | . | |||
| Bryoria | fuscescens | N | MI | . | . | . | . | . | . | |||
| Bryoria | glabra | N | . | . | . | . | . | . | . | |||
| Bryoria | implexa | N | MI | . | . | . | . | . | . | |||
| Bryoria | implicolor | N | . | . | . | . | E | . | . | |||
| Bryoria | lanastris | N | . | . | . | . | . | . | . | |||
| Bryoria | nadvornikiana | N | MI | . | . | . | . | . | . | |||
| Bryoroa | nitidula | N | . | . | . | . | E | . | . | |||
| Bryoria | pseudofuscescens | N | . | . | . | . | E | . | . | |||
| Bryoria | simpicola | N | . | . | . | . | E | . | . | |||
| Bryoria | smithii | N | . | . | . | . | E | . | . | |||
| Bryoria | subcana | . | . | . | . | . | E | . | . | |||
| Bryoria | tenuis | N | . | . | . | . | E | . | . | |||
| Bryoria | tortuosa | N | . | . | . | . | . | . | . | |||
| Bryoria | trichodes | subsp. | trichodes | N | MI | . | . | . | . | . | . | |
| Bryoria | trichodes | subsp. | americana | N | MI | . | . | . | . | . | . | |
| Bryoria | sp. | . | . | WI | . | . | . | . | . | |||
| Bryotrema | antillensis | . | . | WI | . | . | . | . | . | |||
| Bryotrema | athellinum | . | . | . | . | Aus | . | . | . | |||
| Bryotrema | blepharostomum | . | . | . | S | . | . | . | . | |||
| Bryotrema | cubanum | . | . | WI | . | . | . | . | . | |||
| Bryotrema | campbellianum | . | . | . | . | Aus | . | . | . | |||
| Bryotrema | concentricum | . | . | . | . | Aus | . | . | . | |||
| Bryotrema | irregulare | . | . | . | S | . | . | . | . | |||
| Bryotrema | macrosarpum | . | . | . | . | Aus | . | . | . | |||
| Bryotrema | novaezealandicum | . | . | . | . | . | Aus | . | . | |||
| Bryotrema | urceolinum | . | . | . | . | Aus | . | . | . | |||
| Buellia | abberens | . | . | . | S | . | . | . | . | |||
| Buellia | aethalea | N | . | . | S | . | . | . | . | |||
| Buellia | albula | . | . | . | S | . | . | . | . | |||
| Buellia | anacolodioides | . | . | . | S | . | . | . | . | |||
| Buellia | anisomera | . | . | . | S | . | . | . | . | |||
| Buellia | arnoldii | N | . | . | . | . | . | . | . | |||
| Buellia | atrofuscula | . | . | WI | . | . | . | . | . | |||
| Buellia | badia | N | . | WI | . | . | E | . | . | |||
| Buellia | betulina | . | . | . | . | . | E | . | . | |||
| Buellia | ?boergescenii’ | . | . | WI | . | . | . | . | . | |||
| Buellia | calascens | . | . | WI | . | . | . | . | . | |||
| Buellia | calcariaecola | N | . | . | . | . | . | . | . | |||
| Buellia | cacatellea | . | . | . | S | . | . | . | . | |||
| Buellia | chapabris | . | . | . | S | . | . | . | . | |||
| Buellia | cohibens | N | . | . | . | . | . | . | . | |||
| Buellia | concinna | . | . | . | . | . | E | . | . | |||
| Buellia | contiguella | . | . | . | S | . | . | . | . | |||
| Buellia | crocata | . | . | . | . | . | . | . | As | |||
| Buellia | curatellae | N | . | WI | . | . | . | . | . | |||
| Buellia | dejungens | . | . | WI | . | . | . | . | . | |||
| Buellia | discolor | . | . | . | . | . | E | . | . | |||
| Buellia | discreta | . | . | . | S | . | . | . | . | |||
| Buellia | diplotommoides | . | . | . | S | . | . | . | . | |||
| Buellia | dispersula | . | . | WI | . | . | . | . | . | |||
| Buellia | efflorescens | . | . | WI | . | . | . | . | . | |||
| Buellia | endococcina | . | . | . | S | . | . | . | . | |||
| Buellia | epigaea | . | . | . | . | . | E | . | . | |||
| Buellia | epimanta | . | . | WI | . | . | . | . | . | |||
| Buellia | erubescens | N | . | . | . | . | . | . | . | |||
| Buellia | evanescens | . | . | . | S | . | . | . | . | |||
| Buellia | exellens | . | . | . | S | . | . | . | . | |||
| Buellia | falklandica | . | . | . | S | . | . | . | . | |||
| Buellia | fernandeziana |