| Common Name | Scientific Name | Code |
| n/a | Dendrographa alectoroides Sundin & Tehler | DEAL5 |
| n/a | Mazosia A. Massal. | MAZOS |
| n/a | Mazosia ocellata (Nyl.) R. C Harris | MAOC2 |
| n/a | Plectocarpon nephromeum (Norman) Sant. | PLNE4 |
| n/a | Schizopelte californica Th. Fr. | SCCA15 |
| n/a | Schizopelte Th. Fr. | SCHIZ8 |
| n/a | Sigridea californica (Tuck.) Tehler | SICA20 |
| n/a | Sigridea Tehler | SIGRI |
| Babington's roccella lichen | Roccella babingtonii Mont. | ROBA2 |
| Dendrographa leucophaea | Dendrographa minor Darbish. | DEMI2 |
| Dendrographa leucophaea | Roccella leucophaea Tuck. | ROLE2 |
| dendrographa lichen | Dendrographa Darbish. | DENDR10 |
| dendrographa lichen | Dendrographa leucophaea (Tuck.) Darbish. | DELE3 |
| dirina lichen | Dirina catilinariae Hasse | DICA22 |
| dirina lichen | Dirina Fr. | DIRIN |
| Dirina paradoxa | Dirina approximata Zahlbr. ssp. hioramii (de Lesd.) Tehler | DIAPH |
| Mazosia ocellata | Enterographa carnea (Eckf.) R. C. Harris | ENCA2 |
| Mazosia ocellata | Ocellularia carnea (Eckf.) Zahlbr. | OCCA3 |
| Mazosia ocellata | Schismatomma ocellatum (Nyl.) Zahlbr. | SCOC7 |
| Mazosia ocellata | Thelotrema carneum Eckfeldt | THCA12 |
| Montagne's roccella lichen | Roccella montagnei Bel. | ROMO4 |
| paradox dirina lichen | Dirina paradoxa (Fee) Tehler | DIPA15 |
| Parish's reinkella lichen | Reinkella parishii Hasse | REPA |
| Peru roccella lichen | Roccella peruensis Krempelh. | ROPE3 |
| plectocarpon lichen | Plectocarpon Fee | PLECT3 |
| plectocarpon lichen | Plectocarpon lichenum (Sommerf.) D. Hawksw. | PLLI5 |
| reinkella lichen | Reinkella Darbish. | REINK |
| Reinkella parishii | Reinkella subcrustacea Rasanen | RESU |
| roccella lichen | Roccella DC. | ROCCE |
| roccella lichen | Roccella decipiens Darbish. | RODE4 |
| roccella lichen | Roccella difficilis Darbish. | RODI |
| roccella lichen | Roccella fimbriata Darbish. | ROFI |
| roccella lichen | Roccella fuciformis (L.) DC. | ROFU |
| roccella lichen | Roccella phycopsis (Ach.) Ach. | ROPH |
| roccella lichen | Roccella tinctoria DC. | ROTI |
| Roccellina franciscana | Dirina franciscana Zahlbr. ex Herre | DIFR3 |
| Roccellina franciscana | Schismatomma cupressum Herre | SCCU6 |
| roccellina lichen | Roccellina conformis Tehler | ROCO11 |
| roccellina lichen | Roccellina Darbish. | ROCCE2 |
| roccellina lichen | Roccellina franciscana (Zahlbr. ex Herre) Follmann | ROFR2 |
| Schizopelte californica | Combea californica (Th. Fr.) Follmann & M. Geyer | COCA36 |
| Sigridea californica | Dirina californica Tuck. | DICA24 |
| Sigridea californica | Dirina hassei Zahlbr. | DIHA5 |
| Sigridea californica | Lecanactis californica Tuck. | LECA36 |
| Sigridea californica | Lecanactis zahlbruckneri Herre | LEZA |
| Sigridea californica | Platygrapha californica (Tuck.) Nyl. | PLCA17 |
| Sigridea californica | Schismatomma californicum (Tuck.) Zahlbr. | SCCA13 |