| BLS no. |
Lichen Name |
BLS Abbreviation |
| 2271 | Raciborskiomyces peltigericola # | Racib pelt # |
| 1229 | Racodium rupestre | Raco rupe |
| 1231 | Ramalina calicaris | Rama calic |
| 1230 | Ramalina canariensis | Rama cana |
| 1390 | Ramalina capitata | Rama capit |
| 1696 | Ramalina chondrina | Rama chon |
| 1232 | Ramalina cuspidata | Rama cusp |
| 1234 | Ramalina farinacea | Rama fari |
| 1235 | Ramalina fastigiata | Rama fast |
| 1236 | Ramalina fraxinea | Rama frax |
| 1233 | Ramalina lacera | Rama lace |
| 1237 | Ramalina pollinaria | Rama poll |
| 1238 | Ramalina polymorpha | Rama poly |
| 1239 | Ramalina portuensis | Rama port |
| 1240 | Ramalina siliquosa | Rama sili |
| 1241 | Ramalina subfarinacea | Rama subf |
| 1741 | Ramboldia insidiosa | Rambold insid |
| 2484 | Ramonia calcicola | Ramonia calc |
| 1243 | Ramonia chrysophaea | Ramonia chry |
| 1574 | Ramonia dictyospora | Ramonia dict |
| 456 | Ramonia interjecta | Ramonia interj |
| 1725 | Ramonia nigra | Ramonia nigr |
| 2490 | Reconditella physconiarum # | Reco phys # |
| 2485 | Refractohilum achromaticum # | Refr achr # |
| 2182 | Refractohilum galligenum # | Refr gall # |
| 2183 | Refractohilum pluriseptatum # | Refr plur # |
| 2386 | Reichlingia leopoldii | Reich leop |
| 2184 | Rhagadostoma lichenicola # | Rhag lich # |
| 2185 | Rhagadostoma rugosum # | Rhag rugo # |
| 1799 | Rhaphidicyrtis trichosporella | Rhap tric |
| 1303 | Rhexophiale rhexoblephara | Rhex rhex |
| 1956 | Rhizocarpon advenulum # | Rhizoc adve # |
| 1245 | Rhizocarpon alpicola | Rhizoc alpi |
| 1683 | Rhizocarpon amphibium | Rhizoc amph |
| 1099 | Rhizocarpon anaperum | Rhizoc anap |
| 1246 | Rhizocarpon badioatrum | Rhizoc badi |
| 1247 | Rhizocarpon caeruleoalbum | Rhizoc caerul |
| 968 | Rhizocarpon caesium | Rhizoc caesium |
| 1248 | Rhizocarpon chioneum | Rhizoc chio |
| 1274 | Rhizocarpon cinereonigrum | Rhizoc cinereonig |
| 1800 | Rhizocarpon cinereovirens | Rhizoc cinereovir |
| 1845 | Rhizocarpon copelandii | Rhizoc cope |
| 1251 | Rhizocarpon distinctum | Rhizoc dist |
| 1253 | Rhizocarpon eupetraeoides | Rhizoc eupe |
| 1254 | Rhizocarpon expallescens | Rhizoc expa |
| 1252 | Rhizocarpon ferax | Rhizoc fera |
| 1694 | Rhizocarpon furfurosum | Rhizoc furf |
| 1256 | Rhizocarpon geminatum | Rhizoc gemi |
| 1257 | Rhizocarpon geographicum | Rhizoc geog |
| 1262 | Rhizocarpon hochstetteri | Rhizoc hoch |
| 1263 | Rhizocarpon inarense | Rhizoc inar |
| 2334 | Rhizocarpon infernulum f. infernulum | Rhizoc infer infe |
| 1037 | Rhizocarpon infernulum f. sylvaticum | Rhizoc infer sylv |
| 1891 | Rhizocarpon intermediellum | Rhizoc inte |
| 1726 | Rhizocarpon jemtlandicum | Rhizoc jemt |
| 1264 | Rhizocarpon lavatum | Rhizoc lava |
| 1265 | Rhizocarpon lecanorinum | Rhizoc leca |
| 1892 | Rhizocarpon ochrolechiae # | Rhizoc ochr # |
| 1267 | Rhizocarpon oederi | Rhizoc oede |
| 1249 | Rhizocarpon petraeum | Rhizoc petr |
| 1270 | Rhizocarpon polycarpum | Rhizoc poly |
| 1271 | Rhizocarpon postumum | Rhizoc post |
| 1266 | Rhizocarpon reductum | Rhizoc redu |
| 1250 | Rhizocarpon richardii | Rhizoc rich |
| 2408 | Rhizocarpon ridescens | Rhizoc ride |
| 1893 | Rhizocarpon simillimum | Rhizoc simi |
| 1276 | Rhizocarpon subgeminatum | Rhizoc subge |
| 1117 | Rhizocarpon sublavatum | Rhizoc sublav |
| 1387 | Rhizocarpon submodestum | Rhizoc submod |
| 1214 | Rhizocarpon subpostumum | Rhizoc subpos |
| 1277 | Rhizocarpon superficiale | Rhizoc supe |
| 2335 | Rhizocarpon timdalii | Rhizoc timd |
| 1279 | Rhizocarpon umbilicatum | Rhizoc umbi |
| 1280 | Rhizocarpon viridiatrum | Rhizoc viri |
| 2205 | Rhymbocarpus cruciata # | Rhym cruc # |
| 2106 | Rhymbocarpus neglectus # | Rhym negl # |
| 2302 | Rhymbocarpus pubescens # | Rhym pube # |
| 733 | Rimularia badioatra | Rimu badi |
| 722 | Rimularia furvella | Rimu furv |
| 1894 | Rimularia fuscosora | Rimu fuscoso |
| 1992 | Rimularia globulosa | Rimu glob |
| 725 | Rimularia gyrizans | Rimu gyri |
| 736 | Rimularia insularis | Rimu insul |
| 1633 | Rimularia intercedens | Rimu inte |
| 741 | Rimularia limborina | Rimu limb |
| 752 | Rimularia mullensis | Rimu mull |
| 1895 | Rimularia sphacelata | Rimu spha |
| 201 | Rinodina aspersa | Rino aspe |
| 1281 | Rinodina atrocinerea | Rino atro |
| 1299 | Rinodina beccariana | Rino becc |
| 1282 | Rinodina biloculata | Rino bilo |
| 1283 | Rinodina bischoffii | Rino bisc |
| 1801 | Rinodina calcarea | Rino calc |
| 1928 | Rinodina colobinoides | Rino colobinoides |
| 1285 | Rinodina confragosa | Rino conf |
| 1286 | Rinodina conradii | Rino conrad |
| 1215 | Rinodina degeliana | Rino dege |
| 1287 | Rinodina efflorescens | Rino effl |
| 1922 | Rinodina ericina | Rino eric |
| 1443 | Rinodina fimbriata | Rino fimb |
| 1914 | Rinodina flavosoralifera | Rino flav |
| 1638 | Rinodina griseosoralifera | Rino gris |
| 1802 | Rinodina immersa | Rino imme |
| 2462 | Rinodina insularis | Rino insu |
| 1290 | Rinodina interpolata | Rino inte |
| 1291 | Rinodina isidioides | Rino isid |
| 2325 | Rinodina laevigata | Rino laev |
| 1293 | Rinodina luridescens | Rino luri |
| 1803 | Rinodina milvina | Rino milv |
| 1804 | Rinodina mniaraea var. cinnamomea | Rino mnia cinn |
| 1998 | Rinodina mniaraea var. mniaraeiza | Rino mnia mniaraeiza |
| 1294 | Rinodina occulta | Rino occu |
| 1289 | Rinodina oleae | Rino oleae |
| 1727 | Rinodina orculariopsis | Rino orcul |
| 1295 | Rinodina oxydata | Rino oxyd |
| 1846 | Rinodina parasitica | Rino para |
| 1932 | Rinodina pityrea | Rino pity |
| 1296 | Rinodina pyrina | Rino pyrina |
| 1962 | Rinodina roboris var. armeriicola | Rino robo arme |
| 1297 | Rinodina roboris var. roboris | Rino robo robo |
| 1298 | Rinodina sophodes | Rino soph |
| 1300 | Rinodina teichophila | Rino teic |
| 1301 | Roccella fuciformis | Rocc fuci |
| 1302 | Roccella phycopsis | Rocc phyc |
| 1202 | Romjularia lurida | Romj luri |
| 1755 | Ropalospora hibernica | Ropal hibe |
| 522 | Ropalospora lugubris | Ropal lugu |
| 1624 | Ropalospora viridis | Ropal viri |
| 2186 | Roselliniella atlantica # | Roselliniella atla # |
| 2187 | Roselliniella cladoniae # | Roselliniella clad # |
| 2306 | Roselliniella microthelia # | Roselliniella micr # |
| 2189 | Roselliniella nephromatis # | Roselliniella neph # |
| 2188 | Roselliniopsis gelidaria # | Roselliniop geli # |
| 2190 | Roselliniopsis tartaricola # | Roselliniop tart # |
| 2493 | Roselliniopsis ventosa # | Roselliniop vent # |
| 2333 | Rosellinula haplospora # | Rosellinula hapl # |
| BLS no. |
Lichen Name |
BLS Abbreviation |
| 2191 | Sagediopsis aquatica # | Saged aqua # |
| 2192 | Sagediopsis barbara # | Saged barb # |
| 2193 | Sagediopsis campsteriana # | Saged camp # |
| 2013 | Sagediopsis lomnitzensis # | Saged lomn # |
| 1677 | Sagiolechia protuberans | Sagi prot |
| 1304 | Sarcogyne clavus | Sarcog clav |
| 1305 | Sarcogyne privigna | Sarcog priv |
| 1306 | Sarcogyne regularis | Sarcog regu |
| 1985 | Sarcopyrenia beckhausiana # | Sarcopy beck # |
| 1847 | Sarcopyrenia cylindrospora # | Sarcopy cyli # |
| 1307 | Sarcopyrenia gibba var. geisleri # | Sarcopy gibb geis # |
| 1308 | Sarcosagium campestre var. campestre | Sarcos camp camp |
| 1309 | Sarcosagium campestre var. macrosporum | Sarcos camp macr |
| 1310 | Schadonia fecunda | Schad fecu |
| 1311 | Schaereria cinereorufa | Schaer cine |
| 1897 | Schaereria corticola | Schaer cort |
| 1313 | Schaereria fuscocinerea var. fuscocinerea | Schaer fusc fusc |
| 1898 | Schaereria fuscocinerea var. sorediata | Schaer fusc sore |
| 1318 | Schismatomma cretaceum | Schis cret |
| 1315 | Schismatomma decolorans | Schis deco |
| 1316 | Schismatomma graphidioides | Schis grap |
| 1317 | Schismatomma niveum | Schis nive |
| 1585 | Schismatomma quercicola | Schis quer |
| 607 | Schismatomma umbrinum | Schis umbr |
| 2480 | Sclerococcum griseisporodochium | Sclerococ gris |
| 2194 | Sclerococcum montagnei # | Sclerococ mont # |
| 2291 | Sclerococcum normandinae # | Sclerococ norm # |
| 2195 | Sclerococcum simplex # | Sclerococ simp # |
| 1848 | Sclerococcum sphaerale # | Sclerococ spha # |
| 2366 | Sclerophora farinacea | Sclerophora fari |
| 468 | Sclerophora pallida | Sclerophora pall |
| 469 | Sclerophora peronella | Sclerophora pero |
| 1320 | Scoliciosporum chlorococcum | Scol chlo |
| 1358 | Scoliciosporum curvatum | Scol curv |
| 878 | Scoliciosporum intrusum | Scol intr |
| 1321 | Scoliciosporum pruinosum | Scol prui |
| 1805 | Scoliciosporum sarothamni | Scol saro |
| 1322 | Scoliciosporum umbrinum | Scol umbr |
| 2196 | Scutula aggregata # | Scut aggr # |
| 2394 | Scutula dedicata | Scut dedi |
| 2198 | Scutula epiblastematica # | Scut epiblast # |
| 2199 | Scutula epicladonia # | Scut epiclad # |
| 2201 | Scutula miliaris # | Scut mili # |
| 2202 | Scutula tuberculosa # | Scut tube # |
| 1323 | Siphula ceratites | Siph cera |
| 2204 | Skyttea buelliae # | Skyttea buel # |
| 2207 | Skyttea caesii # | Skyttea caes # |
| 2206 | Skyttea elachistophora # | Skyttea elac # |
| 2208 | Skyttea gregaria # | Skyttea greg # |
| 2301 | Skyttea lecanorae # | Skyttea leca # |
| 1342 | Skyttea nitschkei # | Skyttea nits # |
| 2300 | Skyttea pyrenulae # | Skyttea pyre # |
| 2209 | Skyttea spinosa # | Skyttea spin # |
| 2211 | Skyttea viridis # | Skyttea viri # |
| 2212 | Skyttella mulleri # | Skyttella mull # |
| 1324 | Solenopsora candicans | Solen cand |
| 1325 | Solenopsora holophaea | Solen holo |
| 1678 | Solenopsora liparina | Solen lipu |
| 1326 | Solenopsora vulturiensis | Solen vult |
| 1327 | Solorina bispora var. bispora | Solo bisp bisp |
| 1328 | Solorina bispora var. macrospora | Solo bisp macr |
| 1899 | Solorina bispora var. monospora | Solo bisp mono |
| 1329 | Solorina crocea | Solo croc |
| 1330 | Solorina saccata | Solo sacc |
| 1331 | Solorina spongiosa | Solo spon |
| 2213 | Sphaerellothecium araneosum # | Sphaerell aran # |
| 2457 | Sphaerellothecium cladoniae # | Sphaerell clad # |
| 2214 | Sphaerellothecium minutum # | Sphaerell minu # |
| 2058 | Sphaerellothecium parietinarium # | Sphaerell pari # |
| 2215 | Sphaerellothecium propinquellum # | Sphaerell prop # |
| 1332 | Sphaerophorus fragilis | Sphaerop frag |
| 1333 | Sphaerophorus globosus | Sphaerop glob |
| 2216 | Sphaerulina dolichotera # | Sphaerulina doli # |
| 2217 | Sphaerulina dubiella # | Sphaerulina dubi # |
| 1957 | Sphinctrina anglica # | Sphin angl # |
| 1958 | Sphinctrina leucopoda # | Sphin leuc # |
| 1959 | Sphinctrina tubiformis # | Sphin tubi # |
| 1261 | Sphinctrina turbinata # | Sphin turb # |
| 2546 | Spiloma auratum # | Spiloma aura # |
| 1335 | Spilonema paradoxum | Spilonema para |
| 1336 | Spilonema revertens | Spilonema reve |
| 2218 | Spirographa fusisporella # | Spirog fusi # |
| 2219 | Spirographa vinosa # | Spirog vino # |
| 1806 | Sporastatia polyspora | Sporas poly |
| 1807 | Sporastatia testudinea | Sporas test |
| 1337 | Squamarina cartilaginea var. cartilaginea | Squa cart cart |
| 1339 | Squamarina lentigera | Squa lent |
| 1808 | Staurothele arctica | Stau arct |
| 1679 | Staurothele areolata | Stau areo |
| 1340 | Staurothele bacilligera | Stau baci |
| 1341 | Staurothele caesia | Stau caes |
| 1343 | Staurothele fissa | Stau fiss |
| 1981 | Staurothele frustulenta | Stau frus |
| 1728 | Staurothele geoica | Stau geoi |
| 1617 | Staurothele guestphalica | Stau gues |
| 1344 | Staurothele hymenogonia | Stau hyme |
| 1345 | Staurothele rufa | Stau rufa |
| 1346 | Staurothele rugulosa | Stau rugu |
| 1347 | Staurothele rupifraga | Stau rupi |
| 1348 | Staurothele succedens | Stau succ |
| 1349 | Steinia geophana | Stein geop |
| 1548 | Stenocybe nitida ## | Steno niti ## |
| 1563 | Stenocybe pullatula ## | Steno pull ## |
| 1564 | Stenocybe septata ## | Steno sept ## |
| 1350 | Stereocaulon alpinum | Ster alpi |
| 1351 | Stereocaulon condensatum | Ster cond |
| 1419 | Stereocaulon cumulatum | Ster cumu |
| 1352 | Stereocaulon dactylophyllum var. dactylophyllum | Ster dact dact |
| 1353 | Stereocaulon dactylophyllum var. occidentale | Ster dact occi |
| 1354 | Stereocaulon delisei | Ster deli |
| 1355 | Stereocaulon evolutum | Ster evol |
| 1356 | Stereocaulon glareosum | Ster glar |
| 1639 | Stereocaulon leucophaeopsis | Ster leuc |
| 1357 | Stereocaulon nanodes | Ster nano |
| 1359 | Stereocaulon pileatum | Ster pile |
| 1269 | Stereocaulon plicatile | Ster plic |
| 1360 | Stereocaulon saxatile | Ster saxa |
| 1361 | Stereocaulon spathuliferum | Ster spat |
| 1680 | Stereocaulon symphycheilum | Ster symp |
| 1362 | Stereocaulon tomentosum | Ster tome |
| 1681 | Stereocaulon tornense | Ster torn |
| 1364 | Stereocaulon vesuvianum var. nodulosum | Ster vesu nodu |
| 1598 | Stereocaulon vesuvianum var. symphycheileoides | Ster vesu symp |
| 1363 | Stereocaulon vesuvianum var. vesuvianum | Ster vesu vesu |
| 1365 | Sticta canariensis s. str. | Sticta cana |
| 1366 | Sticta dufourii ## | Sticta dufo ## |
| 2281 | Sticta canariensis/dufourii ## | Sticta cana/dufo ## |
| 1367 | Sticta fuliginosa | Sticta fuli |
| 1368 | Sticta limbata | Sticta limb |
| 1369 | Sticta sylvatica | Sticta sylv |
| 2220 | Stigmidium aggregatum # | Stig aggr # |
| 2221 | Stigmidium arthoniae # | Stig arth # |
| 2470 | Stigmidium clauzadei # | Stig clau # |
| 2222 | Stigmidium congestum # | Stig cong # |
| 2223 | Stigmidium degelii # | Stig dege # |
| 2225 | Stigmidium ephebes # | Stig ephe # |
| 2224 | Stigmidium epiramalina # | Stig epir # |
| 2226 | Stigmidium fuscatae # | Stig fusc # |
| 2057 | Stigmidium gyrophorarum # | Stig gyro # |
| 2227 | Stigmidium hageniae # | Stig hage # |
| 2308 | Stigmidium lecidellae # | Stig leci # |
| 2228 | Stigmidium leucophlebiae # | Stig leuc # |
| 2229 | Stigmidium marinum # | Stig mari # |
| 1963 | Stigmidium microspilum # | Stig micr # |
| 2230 | Stigmidium mitchellii # | Stig mitc # |
| 2231 | Stigmidium mycobilimbiae # | Stig myco # |
| 2232 | Stigmidium peltideae # | Stig pelt # |
| 2234 | Stigmidium pumilum # | Stig pumi # |
| 2233 | Stigmidium punctillum # | Stig punc # |
| 1986 | Stigmidium rivulorum # | Stig rivu # |
| 2235 | Stigmidium solorinarium # | Stig solo # |
| 2236 | Stigmidium superpositum # | Stig supe # |
| 2237 | Stigmidium tabacinae # | Stig taba # |
| 2238 | Stigmidium xanthoparmeliarum # | Stig xant # |
| 1809 | Strangospora deplanata | Stra depl |
| 1371 | Strangospora microhaema | Stra micr |
| 1372 | Strangospora moriformis | Stra mori |
| 1374 | Strangospora pinicola | Stra pini |
| 2322 | Strigula confusa | Strig conf |
| 1375 | Strigula jamesii | Strig jame |
| 2438 | Strigula muscicola | Strig musc |
| 2392 | Strigula phaea | Strig phae |
| 1377 | Strigula stigmatella var. alpestris | Strig stig alpe |
| 1376 | Strigula stigmatella var. stigmatella | Strig stig stig |
| 1919 | Strigula tagananae | Strig taga |
| 1378 | Strigula taylorii | Strig tayl |
| 1682 | Strigula thelopsidoides | Strig thel |
| 1379 | Synalissa symphorea | Syna symp |
| 352 | Syncesia myrticola | Sync myrt |
| 2239 | Syzygospora bachmannii # | Syzy bach # |
| 2240 | Syzygospora physciacearum # | Syzy phys # |
| BLS no. |
Lichen Name |
BLS Abbreviation |
| 2309 | Taeniolella beschiana # | Taeniolel besc # |
| 2525 | Taeniolella cladiniicola # | Taeniolel clad # |
| 2241 | Taeniolella delicata # | Taeniolel deli # |
| 2242 | Taeniolella phaeophysciae # | Taeniolel phae # |
| 2243 | Taeniolella punctata # | Taeniolel punc # |
| 2327 | Taeniolella rolfii # | Taeniolel rolf # |
| 2244 | Taeniolina scripta # | Taeniolina scri # |
| 2068 | Telogalla olivieri # | Telogalla oliv # |
| 1380 | Teloschistes chrysophthalmus | Telos chry |
| 1381 | Teloschistes flavicans | Telos flav |
| 630 | Tephromela atra var. atra | Teph atra atra |
| 2349 | Tephromela atra var. torulosa | Teph atra toru |
| 654 | Tephromela grumosa | Teph grum |
| 1810 | Tephromela pertusarioides | Teph pert |
| 2245 | Thamnogalla crombiei # | Thamnogalla crom # |
| 1382 | Thamnolia vermicularis var. subuliformis | Thamnol verm subu |
| 899 | Thelenella larbalestieri | Thelen larb |
| 900 | Thelenella modesta | Thelen mode |
| 901 | Thelenella muscorum var. muscorum | Thelen musc musc |
| 1778 | Thelenella muscorum var. octospora | Thelen musc octo |
| 1385 | Thelidium decipiens | Theli deci |
| 1900 | Thelidium fontigenum | Theli font |
| 1386 | Thelidium fumidum | Theli fumi |
| 1388 | Thelidium impressum | Theli impr |
| 1389 | Thelidium incavatum | Theli inca |
| 1729 | Thelidium methorium | Theli meth |
| 1391 | Thelidium minutulum | Theli minu |
| 1394 | Thelidium papulare f. papulare | Theli papu papu |
| 1811 | Thelidium papulare f. sorediatum | Theli papu sore |
| 1812 | Thelidium pluvium | Theli pluv |
| 1395 | Thelidium pyrenophorum | Theli pyre |
| 1392 | Thelidium zwackhii | Theli zwac |
| 2537 | Thelocarpon coccosporum | Thelocar cocc |
| 1398 | Thelocarpon epibolum s. lat. | Thelocar epib s.l. |
| 1397 | Thelocarpon epibolum var. epibolum | Thelocar epib epib |
| 2345 | Thelocarpon epibolum var. epithallinum | Thelocar epib epith |
| 1399 | Thelocarpon impressellum | Thelocar impr |
| 1400 | Thelocarpon intermediellum | Thelocar inte |
| 1401 | Thelocarpon laureri | Thelocar laur |
| 1684 | Thelocarpon lichenicola | Thelocar lich |
| 1402 | Thelocarpon magnussonii | Thelocar magn |
| 1403 | Thelocarpon olivaceum | Thelocar oliv |
| 1080 | Thelocarpon opertum | Thelocar oper |
| 1404 | Thelocarpon pallidum | Thelocar pall |
| 2426 | Thelocarpon robustum | Thelocar robu |
| 2332 | Thelocarpon saxicola | Thelocar saxi |
| 1497 | Thelocarpon sphaerosporum | Thelocar sphaer |
| 1902 | Thelocarpon strasseri | Thelocar stra |
| 1405 | Thelocarpon superellum | Thelocar supe |
| 1406 | Thelomma ocellatum | Thelomma ocel |
| 957 | Thelopsis isiaca | Thelopsis isia |
| 1407 | Thelopsis melathelia | Thelopsis mela |
| 1408 | Thelopsis rubella | Thelopsis rube |
| 1409 | Thelotrema isidioides | Thelot isid |
| 1410 | Thelotrema lepadinum | Thelot lepa |
| 1411 | Thelotrema macrosporum | Thelot macr |
| 1412 | Thelotrema petractoides | Thelot petr |
| 1413 | Thermutis velutina | Ther velu |
| 1414 | Thrombium epigaeum | Thro epig |
| 1730 | Tomasellia diffusa ## | Toma diff ## |
| 1565 | Tomasellia gelatinosa ## | Toma gela ## |
| 1415 | Toninia aromatica | Toni arom |
| 1424 | Toninia coelestina | Toni coelestina |
| 1903 | Toninia diffracta | Toni diff |
| 1904 | Toninia episema # | Toni epis # |
| 1577 | Toninia fusispora | Toni fusi |
| 1423 | Toninia mesoidea | Toni meso |
| 1905 | Toninia opuntioides | Toni opun |
| 1906 | Toninia physaroides | Toni phys |
| 1907 | Toninia plumbina # | Toni plum # |
| 1814 | Toninia rosulata | Toni rosu |
| 1416 | Toninia sedifolia | Toni sedi |
| 1426 | Toninia squalescens | Toni squales |
| 1427 | Toninia squalida | Toni squalida |
| 2419 | Toninia subfuscae # | Toni subf # |
| 1425 | Toninia thiopsora | Toni thio |
| 1429 | Toninia tumidula | Toni tumi |
| 1418 | Toninia verrucarioides | Toni verr |
| 2420 | Topeliopsis azorica | Tope azor |
| 1430 | Tornabea scutellifera | Torn scut |
| 1431 | Trapelia coarctata | Trapelia coar |
| 1581 | Trapelia corticola | Trapelia cort |
| 1432 | Trapelia glebulosa | Trapelia gleb |
| 1434 | Trapelia obtegens | Trapelia obte |
| 1595 | Trapelia placodioides | Trapelia plac |
| 1815 | Trapeliopsis aeneofusca | Trapeliop aene |
| 692 | Trapeliopsis flexuosa | Trapeliop flex |
| 726 | Trapeliopsis gelatinosa | Trapeliop gela |
| 1435 | Trapeliopsis glaucolepidea | Trapeliop glau |
| 727 | Trapeliopsis granulosa | Trapeliop gran |
| 1436 | Trapeliopsis percrenata | Trapeliop perc |
| 1582 | Trapeliopsis pseudogranulosa | Trapeliop pseu |
| 792 | Trapeliopsis viridescens | Trapeliop viri |
| 1437 | Trapeliopsis wallrothii | Trapeliop wall |
| 2389 | Tremella caloplacae # | Tremel calo # |
| 2246 | Tremella cetrariicola # | Tremel cetr # |
| 2395 | Tremella cladoniae # | Tremel clad # |
| 1917 | Tremella coppinsii # | Tremel copp # |
| 2247 | Tremella hypogymniae # | Tremel hypo # |
| 2248 | Tremella lichenicola # | Tremel lich # |
| 2249 | Tremella lobariacearum # | Tremel loba # |
| 2250 | Tremella normandinae # | Tremel norm # |
| 2251 | Tremella pertusariae # | Tremel pert # |
| 2252 | Tremella phaeographidis # | Tremel phaeograph # |
| 2253 | Tremella phaeophysciae # | Tremel phaeophys # |
| 2254 | Tremella protoparmeliae # | Tremel prot # |
| 2478 | Tremella tuckerae # | Tremel tuck # |
| 1438 | Tremolecia atrata | Tremo atra |
| 2255 | Trichoconis lichenicola # | Trichoconis lich # |
| 2256 | Trichonectria hirta # | Trichonectria hirt # |
| 2257 | Trichothecium roseum # | Trichothec rose # |
| 1439 | Trimmatothele perquisita | Trimm perq |
| 327 | Tuckermannopsis chlorophylla | Tuck chlo |
| 1440 | Tylothallia biformigera | Tylo bifo |
