# Bacidia

Bacidia is een geslacht van korstmossen behorend tot de familie Ramalinaceae. Het lectotype is Bacidia rosella.
De volgende soorten zijn overgezet naar andere geslachten:
* Regenbaankorst (Bacidia incompta -> Bellicidia incompta)
* Gebogen knoopjeskorst (Bacidia populorum -> (nog) niet in een geslacht geplaatst)

## Soorten

Volgens Index Fungorum bevat het geslacht 101 soorten (peildatum januari 2023):
| Soortnaam | Auteur(s) | Publicatiejaar |
| Bacidia absistens | (Nyl.) Arnold | 1871 |
| Bacidia albogranulosa | Malíček, Palice, Vondrák & Kukwa | 2018 |
| Bacidia alutacea | (Kremp.) Zahlbr. | 1926 |
| Bacidia arceutina (Bleke knoopjeskorst) | (Ach.) Th. Fr. | 1865 |
| Bacidia areolata | Gerasimova & A. Beck | 2018 |
| Bacidia beckhausii | Körb. | 1860 |
| Bacidia biatorina | (Körb.) Vain. | 1922 |
| Bacidia brigitteae | Kantvilas | 2017 |
| Bacidia caesiovirens | S. Ekman & Holien | 1995 |
| Bacidia campbelliae | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia carneoglauca | (Nyl.) A.L. Sm. | 1911 |
| Bacidia chrysocolla | Olech, Czarnota & Llop | 2009 |
| Bacidia cinnamomea | (Kremp.) Vain. | 1921 |
| Bacidia circumspecta | (Norrl. & Nyl.) Malme | 1895 |
| Bacidia clauzadei | Sérus. & Lambinon | 1994 |
| Bacidia conspicua | (C. Knight) Zahlbr. | 1926 |
| Bacidia convexa | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia cornea | (Ach.) A. Massal. | 1852 |
| Bacidia coruscans | S. Ekman | 2004 |
| Bacidia curvispora | Coppins & Fryday | 2007 |
| Bacidia cylindrophora | (Taylor) Kistenich, Timdal, Bendiksby & S. Ekman | 2018 |
| Bacidia deludens | S. Ekman, Tønsberg & van den Boom | 2021 |
| Bacidia depriestiana | Lendemer & Keepers | 2021 |
| Bacidia dimerelloides | Vězda | 1974 |
| Bacidia effusa | (Hook.) Trevis. | 1856 |
| Bacidia ekmaniana | R.C. Harris, Ladd & Lendemer | 2016 |
| Bacidia elongata | Gerasimova & A. Beck | 2018 |
| Bacidia entocosmensis | (C. Knight) Zahlbr. | 1926 |
| Bacidia entodiaphana | (C. Knight) Zahlbr. | 1926 |
| Bacidia fellhaneroides | van den Boom | 2018 |
| Bacidia fluminensis | (Malme) M. Cáceres & Lücking | 2007 |
| Bacidia fratruelis | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia friesiana (Bonte knoopjeskorst) | (Hepp) Körb. | 1860 |
| Bacidia furfurella | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia fuscoviridis (Schaduwknoopjeskorst) | (Anzi) Lettau | 1912 |
| Bacidia gallowayi | Coppins & Fryday | 2007 |
| Bacidia gigantensis | Lendemer, McCune & McMullin | 2020 |
| Bacidia granosa | (Tuck.) Zahlbr. | 1926 |
| Bacidia gullahgeechee | Lendemer | 2018 |
| Bacidia herbarum | (Stizenb.) Arnold | 1865 |
| Bacidia iberica | Aragón & I. Martínez | 2003 |
| Bacidia johnstoniae | Elix | 2009 |
| Bacidia kekesiana | R.C. Harris | 2009 |
| Bacidia killiasii | (Hepp) D. Hawksw. | 1983 |
| Bacidia kurilensis | Gerasimova, A. Ezhkin & A. Beck | 2018 |
| Bacidia laurocerasi (Purperknoopjeskorst) | (Delise ex Duby) Zahlbr. | 1926 |
| Bacidia leucocarpa | C. Knight | 1880 |
| Bacidia lithophila | Kantvilas | 2018 |
| Bacidia littoralis | Kantvilas | 2018 |
| Bacidia lividofusca | (Nyl.) Zahlbr. | 1926 |
| Bacidia lividonigrans | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia lobarica | Printzen & Tønsberg | 2007 |
| Bacidia maccarthyi | Kantvilas | 2018 |
| Bacidia macquariensis | C.W. Dodge | 1968 |
| Bacidia macrospora | (C. Knight) Zahlbr. | 1926 |
| Bacidia marina | Fryday | 2019 |
| Bacidia microphyllina | (Tuck.) Riddle | 1923 |
| Bacidia millegrana | (Taylor) Zahlbr. | 1888 |
| Bacidia modestula | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia multicarpa | van den Boom | 2018 |
| Bacidia multiseptata | (Shirley) Zahlbr. | 1926 |
| Bacidia neofusconigrescens | Lücking | 2021 |
| Bacidia obtecta | Gerasimova, A. Ezhkin & A. Beck | 2021 |
| Bacidia pallida | Darb. | 1912 |
| Bacidia paramedialis | M. Brand, Coppins, van den Boom & Sérus. | 2009 |
| Bacidia phyllopsoropsis | R.C. Harris & Lendemer | 2006 |
| Bacidia pitardii | (B. de Lesd.) Zahlbr. | 1926 |
| Bacidia placodioides | Coppins & Fryday | 2007 |
| Bacidia polychroa | (Th. Fr.) Körb. | 1860 |
| Bacidia prasinata | (Zahlbr.) Coppins | 1983 |
| Bacidia pruinata | Fryday | 2019 |
| Bacidia punica | Llop | 2010 |
| Bacidia purpurans | R.C. Harris, Ladd & Lendemer | 2016 |
| Bacidia pycnidiata | Czarnota & Coppins | 2006 |
| Bacidia raffii | (Stirt.) Zahlbr. | 1926 |
| Bacidia rhodocardia | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia rosella | (Pers.) De Not. | 1846 |
| Bacidia rosellizans | S. Ekman | 2009 |
| Bacidia rubella (Iepenknoopjeskorst) | (Hoffm.) A. Massal. | 1852 |
| Bacidia rudis | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia sachalinensis | Gerasimova, A. Ezhkin & A. Beck | 2018 |
| Bacidia scopulicola (Waddenknoopjeskorst) | (Nyl.) A.L. Sm. | 1911 |
| Bacidia septosior | (Nyl.) Zahlbr. | 1926 |
| Bacidia sigmospora | van den Boom & Alvarado | 2019 |
| Bacidia sipmanii | M. Brand, Coppins, van den Boom & Sérus. | 2009 |
| Bacidia sorediata | Lendemer & R.C. Harris | 2016 |
| Bacidia squamellosa | (S. Ekman) Coppins & Aptroot | 2008 |
| Bacidia subareolata | A.H. Ekanayaka & K.D. Hyde | 2019 |
| Bacidia subproposita | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia subturgidula | (Nyl.) Zahlbr. | 1926 |
| Bacidia superbula | (Müll. Arg.) Zahlbr. | 1926 |
| Bacidia superula | (Nyl.) Hellb. | 1896 |
| Bacidia surinamensis | van den Boom | 2018 |
| Bacidia termitophila | Aptroot & M. Cáceres | 2014 |
| Bacidia thiersiana | Lendemer | 2020 |
| Bacidia thyrrenica | Llop | 2007 |
| Bacidia vagula | (Vain.) Zahlbr. | 1926 |
| Bacidia vallatula | (Jatta) Kantvilas | 1993 |
| Bacidia veneta | S. Ekman | 2004 |
| Bacidia vinicolor | (Stirt.) Zahlbr. | 1926 |
| Bacidia viridescens | (A. Massal.) Hellb. | 1871 |
* (en) Index Fungorum