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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2431 | Dermatocarpon rufescens | (Ach.) Th. Fr. | No | Placidium rufescens | 1776 | DD NR | ||||
| 2432 | Dermatocarpon weberi | (Ach.) W. Mann (1825) | No | Dermatocarpon luridum | 487 | LC | ||||
| 2433 | Desmazieria evernioides | auct., non (Nyl.) Follman & Huneck | No | Ramalina lacera | 1233 | LC | ||||
| 2434 | Diarthonis spadicea | (Leight.) Frisch, Ertz, Coppins & P.F. Cannon (2020) | Yes | Diarthonis spadicea | Arthonia spadicea; Coniangium spadiceum | 70 | LC | Diarthonis spadicea | ||
| 2435 | Dibaeis baeomyces | (L. f.) Rambold & Hertel (1993) | Yes | Dibaeis baeomyces | Baeomyces roseus | 175 | LC | Dibaeis baeomyces | ||
| 2436 | Dibaeis rosea | (Pers.) Clem, (1909) | No | Dibaeis baeomyces | 175 | LC | ||||
| 2437 | Dichoporis phaea | (Ach.) S.H. Jiang, Lücking & Sérus. (2020) | Yes | Dichoporis phaea | Strigula phaea | 2392 | LC NS | Dichoporis phaea | ||
| 2438 | Dichoporis taylorii | (Carroll ex Nyl.) S.H. Jiang, Lücking & Sérus. (2020) | Yes | Dichoporis taylorii | Arthopyrenia taylorii; Porina taylorii; Strigula taylorii | 1378 | LC NS Sc IR | Dichoporis taylorii | ||
| 2439 | Dichoporis ziziphi | (A. Massal.) S.H. Jiang, Lücking & Sérus. (2020) | Yes | Dichoporis ziziphi | 2881 | NE NR | Dichoporis ziziphi | |||
| 2440 | Dictyonema coppinsii | Lücking, Barrie & Genney (2014) | Yes | Dictyonema coppinsii | Calothrix interrupta auct. p.p.; Dictyonema interruptum auct. p.p.; Rhizonema interruptum auct. p.p.; Stigonema interruptum auct. p.p. | 488 | DD NR Sc | Dictyonema coppinsii | ||
| 2441 | Dictyonema interruptum | (Carmich. ex Hook.) Parmasto (1978), comb. inval., p.p. | No | Dictyonema coppinsii | 488 | DD NR Sc | ||||
| 2442 | Didymella collematum | (J. Steiner) Vouaux (1913) | No | Didymellopsis collematum | 2052 | NE NR | LF | |||
| 2443 | Didymella epipolytropa | (Mudd) Berl. & Voglino | No | Cercidospora epipolytropa | 2025 | LC NS | LF | |||
| 2444 | Didymella pulposi | (Zopf) Vouaux (1913) | No | Didymellopsis pulposi | 2053 | NE NR | LF | |||
| 2445 | Didymella sphinctrinoides | (Zwackh) Berl. & Voglino | No | Zwackhiomyces sphinctrinoides | 2277 | NE NR | LF | |||
| 2446 | Didymellopsis collematum | (J. Steiner) Grube & Hafellner (1990) | Yes | Didymellopsis collematum | Didymella collematum | 2052 | NE NR | LF | Didymellopsis collematum | |
| 2447 | Didymellopsis pulposi | (Zopf) Grube & Hafellner (1990) | Yes | Didymellopsis pulposi | Didymella pulposi | 2053 | NE NR | LF | Didymellopsis pulposi | |
| 2448 | Didymocyrtis cladoniicola | (Diederich, Kocourk. & Etayo) Ertz & Diederich (2015) | Yes | Didymocyrtis cladoniicola | Phoma cladoniicola | 2724 | Lichenicolous on Cladonia; known only as anamorph | NE NR | LF | Didymocyrtis cladoniicola |
| 2449 | Didymocyrtis consimilis | Vain. (1921) | Yes | Didymocyrtis consimilis | Phoma caloplacae | 2708 | Lichenicolous on Caloplaca cerina; known only as anamorph | NE NR | LF | Didymocyrtis consimilis |
| 2450 | Didymocyrtis epiphyscia s. lat. | sensu Ertz et al. (2015) | Didymocyrtis epiphyscia s. lat. | 2880 | on Physcia spp. & Xanthoria parietina | NE | LF | |||
| 2451 | Didymocyrtis epiphyscia s. str. | Ertz & Diederich (2015) | Yes | Didymocyrtis epiphyscia s. str. | Phoma physciicola | 2150 | Lichenicolous on Physcia aipolia; known only as anamorph | NE NR | LF | Didymocyrtis epiphyscia s. str. |
| 2452 | Didymocyrtis foliaceiphila | (Diederich, Kocourk. & Etayo) Ertz & Diederich (2015) | Yes | Didymocyrtis foliaceiphila | Phoma foliaceiphila | 2718 | Lichenicolous on Cladonia; known only as anamorph | NE NR | LF | Didymocyrtis foliaceiphila |
| 2453 | Didymocyrtis melanelixiae | (Brackel) Diederich, R.C. Harris & Etayo (2015) | Yes | Didymocyrtis melanelixiae | 2662 | Lichenicolous on Parmeliaceae | NE NR | LF | Didymocyrtis melanelixiae | |
| 2454 | Didymocyrtis pseudeverniae | (Etayo & Diederich) Ertz & Diederich (2015) | Yes | Didymocyrtis pseudeverniae | Diederichia pseudeverniae; Macrophomina pseudeverniae | 2107 | Lichenicolous on Pseudevernia; known only as anamorph | NE NR | LF | Didymocyrtis pseudeverniae |
| 2455 | Didymocyrtis ramalinae | (Roberge ex Desm.) Ertz, Diederich & Hafellner (2015) | Yes | Didymocyrtis ramalinae | 2587 | Lichenicolous on Ramalina; includes teleomorph and anamorph | NE NR | LF | Didymocyrtis ramalinae | |
| 2456 | Didymocyrtis slaptoniensis | (D. Hawksw.) Hafellner & Ertz (2015) | Yes | Didymocyrtis slaptoniensis | Polycoccum slaptoniense | 2166 | lichenicolous on Xanthoria parietina | NE NR | LF | Didymocyrtis slaptoniensis |
| 2457 | Didymosphaeria epipolytropa | (Mudd) G. Winter | No | Cercidospora epipolytropa | 2025 | LC NS | LF | |||
| 2458 | Didymosphaeria microstictica | (Leight.) G. Winter (1886) | No | Polycoccum microsticticum | 1483 | NE NR | LF | |||
| 2459 | Didymosphaeria neottizans | (Leight.) A.L. Sm. | No | Pyrenidium actinellum | 2179 | LC NS | LF | |||
| 2460 | Didymosphaeria peltigerae | Fuckel | No | Polycoccum peltigerae | 2164 | NE NR | LF |