| Common Name | Scientific Name | Code |
|---|
| n/a | Acroscyphus Leveille | ACROS2 |
| n/a | Acroscyphus sphaerophoroides Leveille | ACSP11 |
| adequate spike lichen | Calicium adequatum Nyl. | CAAD3 |
| Calicium adequatum | Calicium hemisphaericum Howard | CAHE24 |
| Calicium adspersum | Calicium roscidum (Ach.) Ach. | CARO31 |
| Calicium chlorosporum | Calicium queenslandiae (F. Wilson) Tibell | CAQU8 |
| Calicium lenticulare | Calicium lentigerellum Tuck. | CALE40 |
| Calicium lenticulare | Calicium subquercinum Asah. | CASU48 |
| Calicium salicinum | Calicium lichenoides (L.) Schumacher | CALI27 |
| Calicium salicinum | Calicium sphaerocephalum (L.) Ach. | CASP25 |
| Calicium salicinum | Calicium trachelinum Ach. | CATR25 |
| Calicium trabinellum | Calicium roscidum (Ach.) Ach. var. trabinellum (Ach.) Schaerer | CAROT |
| Calicium viride | Calicium hyperellum (Ach.) Ach. | CAHY11 |
| California thelomma lichen | Thelomma californicum (Tuck.) Tibell | THCA7 |
| Carolina thelomma lichen | Thelomma carolinianum (Tuck.) Tibell | THCA8 |
| Cyphelium inquinans | Cyphelium ventricosulum (Mull. Arg.) Zahlbr. | CYVE2 |
| Cyphelium notarisii | Cyphelium tigillare (Ach.) Ach. ssp. notarisii (Tul.) W. A. Weber | CYTIN |
| Notaris's soot lichen | Cyphelium notarisii (Tul.) Blomb. & Forss. | CYNO3 |
| Santesson's thelomma lichen | Thelomma santessonii Tibell | THSA5 |
| sessile soot lichen | Cyphelium sessile (Pers.) Trevisan | CYSE8 |
| soot lichen | Cyphelium Ach. | CYPHE2 |
| soot lichen | Cyphelium brachysporum Nadv. | CYBR12 |
| soot lichen | Cyphelium brunneum W. A. Weber | CYBR13 |
| soot lichen | Cyphelium chloroconium (Tuck.) Zahlbr. | CYCH6 |
| soot lichen | Cyphelium inquinans (Sm.) Trevisan | CYIN10 |
| soot lichen | Cyphelium karelicum (Vainio) Rasanen | CYKA10 |
| soot lichen | Cyphelium lucidum (Th. Fr.) Th. Fr. | CYLU4 |
| soot lichen | Cyphelium pinicola Tibell | CYPI7 |
| soot lichen | Cyphelium tigillare (Ach.) Ach. | CYTI2 |
| soot lichen | Cyphelium trachylioides (Nyl. ex Branth & Rostrup) Erichsen | CYTR9 |
| spike lichen | Calicium abietinum Pers. | CAAB12 |
| spike lichen | Calicium adspersum Pers. | CAAD4 |
| spike lichen | Calicium chlorosporum F. Wilson | CACH26 |
| spike lichen | Calicium corynellum (Ach.) Ach. | CACO62 |
| spike lichen | Calicium glaucellum Ach. | CAGL24 |
| spike lichen | Calicium hyperelloides Nyl. | CAHY10 |
| spike lichen | Calicium lenticulare Ach. | CALE39 |
| spike lichen | Calicium leucochlorum Tuck. | CALE41 |
| spike lichen | Calicium parvum Tibell | CAPA63 |
| spike lichen | Calicium Pers. | CALIC |
| spike lichen | Calicium quercinum Pers. | CAQU6 |
| spike lichen | Calicium salicinum Pers. | CASA21 |
| spike lichen | Calicium trabinellum (Ach.) Ach. | CATR20 |
| spike lichen | Calicium viride Pers. | CAVI16 |
| St. Jacob texosporium lichen | Texosporium santi-jacobi (Tuck.) Nadv. | TESA |
| texosporium lichen | Texosporium Nadv. | TEXOS |
| Texosporium santi-jacobi | Cyphelium santi-jacobi (Tuck.) Zahlbr. | CYSA6 |
| Thelomma californicum | Cyphelium andersonii Herre | CYAN7 |
| Thelomma californicum | Cyphelium californicum (Tuck.) Zahlbr. | CYCA20 |
| Thelomma californicum | Cyphelium farlowii (Tuck. ex Herre) Herre | CYFA6 |
| Thelomma carolinianum | Cyphelium carolinianum (Tuck.) Zahlbr. | CYCA21 |
| thelomma lichen | Thelomma A. Massal. | THELO3 |
| thelomma lichen | Thelomma mammosum (Hepp) A. Massal. | THMA8 |
| thelomma lichen | Thelomma ocellatum (Korber) Tibell | THOC3 |
| Thelomma mammosum | Cypheliopsis bolanderi (Tuck.) Vainio | CYBO4 |
| Thelomma occidentale | Cyphelium caliciforme (Flotow) Zahlbr. | CYCA19 |
| Thelomma occidentale | Cyphelium occidentale Herre | CYOC5 |
| Thelomma ocellatum | Cyphelium ocellatum (Korber) Trevisan | CYOC6 |
| urn lichen | Tholurna dissimilis (Norman) Norman | THDI5 |
| urn lichen | Tholurna Norman | THOLU |
| western thelomma lichen | Thelomma occidentale (Herre) Tibell | THOC60 |
Plant Names