| ID | Symbol | Scientific | Common | Family |
| 6795 | ARTHO2 | Arthopyrenia A. Massal. | shell lichen | Arthopyreniaceae |
| 6796 | ARAN14 | Arthopyrenia analepta (Ach.) A. Massal. | | Arthopyreniaceae |
| 6797 | ARFA6 | Arthopyrenia fallax (Nyl.) Arnold | Arthopyrenia analepta | Arthopyreniaceae |
| 6798 | ARLA26 | Arthopyrenia lapponica Anzi | Arthopyrenia analepta | Arthopyreniaceae |
| 6799 | POFA6 | Polyblastiopsis fallax (Nyl.) Fink | Arthopyrenia analepta | Arthopyreniaceae |
| 6800 | ARCE2 | Arthopyrenia cerasi (Schrader) A. Massal. | shell lichen | Arthopyreniaceae |
| 6801 | ARCI5 | Arthopyrenia cinchonae (Ach.) Mull. Arg. | cinchona shell lichen | Arthopyreniaceae |
| 6802 | ARCI6 | Arthopyrenia cinereopruinosa (Schaerer) A. Massal. | shell lichen | Arthopyreniaceae |
| 6803 | ARPI5 | Arthopyrenia pinicola (Hepp) A. Massal. | Arthopyrenia cinereopruinosa | Arthopyreniaceae |
| 6804 | ARCO35 | Arthopyrenia confluens R. C. Harris | | Arthopyreniaceae |
| 6805 | ARDE10 | Arthopyrenia degelii R. C. Harris | | Arthopyreniaceae |
| 6806 | ARES6 | Arthopyrenia esenbeckiana (Fee) R. C. Harris | | Arthopyreniaceae |
| 6807 | AREX5 | Arthopyrenia exasperata R. C. Harris | | Arthopyreniaceae |
| 6808 | ARLY4 | Arthopyrenia lyrata R. C. Harris | lyre shell lichen | Arthopyreniaceae |
| 6809 | ARMA22 | Arthopyrenia majuscula (Nyl.) Zahlbr. | shell lichen | Arthopyreniaceae |
| 6810 | ARMA23 | Arthopyrenia malaccitula (Nyl.) Zahlbr. | shell lichen | Arthopyreniaceae |
| 6811 | ARBI10 | Arthopyrenia bifera Zahlbr. | Arthopyrenia malaccitula | Arthopyreniaceae |
| 6812 | ARMI11 | Arthopyrenia minor R. C. Harris | shell lichen | Arthopyreniaceae |
| 6813 | AROB7 | Arthopyrenia oblongens R. C. Harris | | Arthopyreniaceae |
| 6814 | ARPL9 | Arthopyrenia planorbis (Ach.) Mull. Arg. | shell lichen | Arthopyreniaceae |
| 6815 | ARPL10 | Arthopyrenia plumbaria (Stizenb.) R. C. Harris | shell lichen | Arthopyreniaceae |
| 6816 | POPL8 | Porina plumbaria (Stizenb.) Hasse | Arthopyrenia plumbaria | Arthopyreniaceae |
| 6817 | PYHE | Pyrenula herrei Fink | Arthopyrenia plumbaria | Arthopyreniaceae |
| 6818 | ARRA6 | Arthopyrenia rappii Zahlbr. | Rapp's shell lichen | Arthopyreniaceae |
| 6819 | ARTA5 | Arthopyrenia taxodii R. C. Harris | | Arthopyreniaceae |
| 6820 | ARTE12 | Arthopyrenia texensis (Cooke) D. Hawksw. | Texas shell lichen | Arthopyreniaceae |
| 43455 | JARIX | Jarixa R. C. Harris | | Arthopyreniaceae |
| 43456 | JAIL | Jarixa ilicicola R. C. Harris | | Arthopyreniaceae |
| 43457 | JATH | Jarixa thelenula R. C. Harris | | Arthopyreniaceae |
| 46495 | LEPTO15 | Leptorhaphis Korber | birchbark dot lichen | Arthopyreniaceae |
| 46496 | LEAT6 | Leptorhaphis atomaria (Ach.) Szat. | birchbark dot lichen | Arthopyreniaceae |
| 46497 | LECO25 | Leptorhaphis contorta Degel. | contorted birchbark dot lichen | Arthopyreniaceae |
| 46498 | LEEP4 | Leptorhaphis epidermidis (Ach.) Th. Fr. | birchbark dot lichen | Arthopyreniaceae |
| 46499 | LELU8 | Leptorhaphis lucida Korber | | Arthopyreniaceae |
| 46500 | LEPA25 | Leptorhaphis parmeca (A. Massal.) Korber | birchbark dot lichen | Arthopyreniaceae |
| 55248 | MYCOM | Mycomicrothelia Keissler | mycomicrothelia lichen | Arthopyreniaceae |
| 55249 | MYCA7 | Mycomicrothelia capitosa (Krempelh.) D. Hawksw. | mycomicrothelia lichen | Arthopyreniaceae |
| 55250 | MYDO | Mycomicrothelia dothideaspora (Cook & Harkn.) D. Hawksw. | mycomicrothelia lichen | Arthopyreniaceae |
| 55251 | MYHE4 | Mycomicrothelia hemisphaerica (Mull. Arg.) D. Hawksw. | | Arthopyreniaceae |
| 55252 | MYIN2 | Mycomicrothelia inaequalis (Fabre) D. Hawksw. | mycomicrothelia lichen | Arthopyreniaceae |
| 55253 | MYSU2 | Mycomicrothelia subfallens (Mull. Arg.) D. Hawksw. | mycomicrothelia lichen | Arthopyreniaceae |
| 55254 | MYWA2 | Mycomicrothelia wallrothii (Hepp) D. Hawksw. | Wallroth's mycomicrothelia lichen | Arthopyreniaceae |
| 55255 | MIOB3 | Microthelia oblongula Mull. Arg. | Mycomicrothelia wallrothii | Arthopyreniaceae |
| 55256 | MIWA4 | Microthelia wallrothii (Hepp) Rehm | Mycomicrothelia wallrothii | Arthopyreniaceae |
| 55257 | MYWI | Mycomicrothelia willeyana (Mull. Arg.) D. Hawksw. | Willey's mycomicrothelia lichen | Arthopyreniaceae |
| 55258 | MIWI | Microthelia willeyana Mull. Arg. | Mycomicrothelia willeyana | Arthopyreniaceae |
| 84406 | TOMAS | Tomasellia A. Massal. | tomasellia lichen | Arthopyreniaceae |
| 84407 | TOAM2 | Tomasellia americana (Minks ex Willey) R. C. Harris | American tomasellia lichen | Arthopyreniaceae |
| 84408 | TODI3 | Tomasellia difforme (Minks) | tomasellia lichen | Arthopyreniaceae |
| 84409 | TOMA3 | Tomasellia macularis (Minks ex Willey) R. C. Harris | | Arthopyreniaceae |
