For more information see the Supplementary Notes for the Taxon Dictionary, which explains the names and synonyms, and these Instructions on how to use the online Taxon Dictionary which includes details of the Conservation Evaluation codes.
| Count | Name | Authority | Is Current Name? | Current Taxon Name | Synonyms | BLS Number | Comments | Conservation Evaluation | Group | Account & Map |
|---|---|---|---|---|---|---|---|---|---|---|
| 9091 | Xylographa spilomatica | (Anzi) Th. Fr. | No | Xylographa vitiligo | 1534 | LC | ||||
| 9092 | Xylographa trunciseda | (Th. Fr.) Minks ex Redinger (1938) | Yes | Xylographa trunciseda | 1533 | LC NS | Xylographa trunciseda | |||
| 9093 | Xylographa vitiligo | (Ach.) J.R. Laundon (1963) | Yes | Xylographa vitiligo | 1534 | LC | Xylographa vitiligo | |||
| 9094 | Xylohyphopsis xanthoriicola | Pinault & Diederich (2024) | Yes | Xylohyphopsis xanthoriicola | 2902 | on Xanthoria parietina | NE NR | Xylohyphopsis xanthoriicola | ||
| 9095 | Xylopsora caradocensis | (Nyl.) Bendiksby & Timdal (2013) | Yes | Xylopsora caradocensis | Bilimbia caradocensis; Hypocenomyce caradocensis; Lecidea acutula; Lecidea caradocensis; Psora acutula; Psora caradocensis; Toninia caradocensis | 576 | LC | Xylopsora caradocensis | ||
| 9096 | Xylopsora friesii | (Ach.) Bendiksby & Timdal (2013) | Yes | Xylopsora friesii | Hypocenomyce friesii; Lecidea friesii; Psora friesii | 577 | LC NS | Xylopsora friesii | ||
| 9097 | Zamenhofia coralloidea | (P. James) Clauzade & Cl. Roux | No | Porina coralloidea | 1172 | LC NS Sc L IR | ||||
| 9098 | Zamenhofia hibernica | (P. James & Swinscow) Clauzade & Cl. Roux | No | Porina hibernica | 1178 | NT NS P Eng WaL IR | ||||
| 9099 | Zamenhofia rosei | (Sérus.) P. James | No | Porina rosei | 1671 | NT NS X IR | ||||
| 9100 | Zevadia peroccidentalis | J.C. David & D. Hawksw. (1995) | Yes | Zevadia peroccidentalis | 2273 | LF | Zevadia peroccidentalis | |||
| 9101 | Zhurbenkoa epicladonia | (Nyl.) Flakus, Etayo, Pérez-Ortega & Rodr. Flakus (2019) | Yes | Zhurbenkoa epicladonia | Arthonia epicladonia; Scutula epicladonia | 2199 | on Cladonia basal squamules | NE NR | LF | Zhurbenkoa epicladonia |
| 9102 | Zignoella slaptonensis | P.F. Cannon (1997) | No | Leptosillia slaptonensis | 2869 | NE NR | F | |||
| 9103 | Zwackhia prosodea | (Ach.) Ertz (2012) | Yes | Zwackhia prosodea | Opegrapha prosodea | 956 | NT NS P Eng Wa IR | Zwackhia prosodea | ||
| 9104 | Zwackhia sorediifera | (P. James) Ertz (2012) | Yes | Zwackhia sorediifera | Opegrapha sorediifera | 962 | LC L* | Zwackhia sorediifera | ||
| 9105 | Zwackhia viridis | (Ach.) Poetsch. & Schied. (1872) | Yes | Zwackhia viridis | Opegrapha viridis | 966 | DD NS | Zwackhia viridis | ||
| 9106 | Zwackhiomacromyces hyalosporus | (Alstrup, D. Hawksw. & R. Sant.) Etayo & F. Berger (2016) | Yes | Zwackhiomacromyces hyalosporus | 2879 | on Placopsis | NE NR | LF | Zwackhiomacromyces hyalosporus | |
| 9107 | Zwackhiomyces berengerianus | (Arnold) Grube & Triebel (1990) | Yes | Zwackhiomyces berengerianus | 2274 | NE NR | LF | Zwackhiomyces berengerianus | ||
| 9108 | Zwackhiomyces coepulonus | (Norman) Grube & R. Sant. (1990) | Yes | Zwackhiomyces coepulonus | 2320 | NE NR | LF | Zwackhiomyces coepulonus | ||
| 9109 | Zwackhiomyces dispersus | (J. Lahm ex Körb.) Triebel & Grube (1990) | Yes | Zwackhiomyces dispersus | Stigmidium dispersum | 2275 | NE NR | LF | Zwackhiomyces dispersus | |
| 9110 | Zwackhiomyces immersae | (Arnold) Grube & Triebel (1990) | No | Zwackhiomyces socialis | 2276 | NE NR | LF | |||
| 9111 | Zwackhiomyces kiszkianus | D. Hawksw. & Miądlikowska (1997) | Yes | Zwackhiomyces kiszkianus | 2920 | on Peltigera | NE NR | LF | ||
| 9112 | Zwackhiomyces lacustris | (Arnold) Orange (2002) | Yes | Zwackhiomyces lacustris | 2378 | NE NR | LF | Zwackhiomyces lacustris | ||
| 9113 | Zwackhiomyces lecanorae | (Stein) Nik. Hoffm. & Hafellner (2000) | Yes | Zwackhiomyces lecanorae | Physalospora lecanorae | 2152 | NE NR | LF | Zwackhiomyces lecanorae | |
| 9114 | Zwackhiomyces lithoiceae | (B. de Lesd.) Hafellner & V. John (2006) | Yes | Zwackhiomyces lithoiceae | 2688 | on Placopyrenium fuscellum | NE NR | LF | Zwackhiomyces lithoiceae | |
| 9115 | Zwackhiomyces martinatianus | (Arnold) Triebel & Grube (1990) | Yes | Zwackhiomyces martinatianus | 2658 | on Porpidia crustulata | NE NR | LF | Zwackhiomyces martinatianus | |
| 9116 | Zwackhiomyces physciicola | Alstrup (1993) | Yes | Zwackhiomyces physciicola | 2566 | NE NR | LF | Zwackhiomyces physciicola | ||
| 9117 | Zwackhiomyces socialis | (Körb.) Cl. Roux (2009) | Yes | Zwackhiomyces socialis | Arthopyrenia knightii; Arthopyrenia socialis; Zwackhiomyces immersae | 2276 | NE NR | LF | Zwackhiomyces socialis | |
| 9118 | Zwackhiomyces sphinctrinoides | (Zwackh) Grube & Hafellner (1990) | Yes | Zwackhiomyces sphinctrinoides | Didymella sphinctrinoides | 2277 | NE NR | LF | Zwackhiomyces sphinctrinoides | |
| 9119 | Zythia resinae | (Fr.) P. Karst. (1890) | No | Sarea resinae | F | |||||
| 9120 | Zyzygomyces aipoliae | Diederich, Millanes, F. Berger & Ertz (2022) | Yes | Zyzygomyces aipoliae | 2829 | on Physcia aipolia | NE NR | LF | Zyzygomyces aipoliae |