{{Short description|Genus of fungi}} {{For|the fungal anatomical structure|Aecidium (fungal anatomy)}} {{Automatic taxobox | image = Aecidium magnellanicum.jpg | image_caption = ''[[Aecidium magellanicum]]'' growing on the bush ''[[Berberis microphylla]]'' | taxon = Aecidium | type_species = ''[[Aecidium berberidis]]'' | type_species_authority = [[Pers.]] ex [[J.F.Gmel.]] (1792) | synonyms_ref = <ref name="urlMycoBank: Aecidium"/> | synonyms = ''Hypodermium'' subgen. ''Aecidium'' <small>(Pers.) [[Johann Heinrich Friedrich Link|Link]] (1816)</small><br /> ''Symperidium'' <small>Klotzsch (1843)</small> }}
'''''Aecidium''''' is a [[genus]] of [[rust fungi]] in the order [[Rust (fungus)|Pucciniales]].
The widespread genus was estimated to contain about 600 species in 2008.<ref name=Kirk2008/> {{As of|2023|August|27}}, the [[GBIF]] lists up to 947 species,<ref name="GBIF">{{cite web |title=''Aecidium'' Pers. |url=https://www.gbif.org/species/2513143 |website=www.gbif.org |access-date=27 August 2023 |language=en}}</ref> while [[Species Fungorum]] lists about 816 species (out of 1251 records).<ref name=Fungorum>{{cite web |title=Species Fungorum - Search Page - Aecidium |url=https://www.speciesfungorum.org/Names/Names.asp |website=www.speciesfungorum.org |access-date=27 August 2023}}</ref> About 800 species are accepted by Wijayawardene et al. 2020.<ref>{{cite journal |display-authors=6 |last1=Wijayawardene |first1=Nalin |last2=Hyde |first2=Kevin |first3=Laith Khalil Tawfeeq |last3=Al-Ani |last4=Somayeh |first4=Dolatabadi |last5=Stadler |first5=Marc |last6=Haelewaters |first6=Danny |last7=Tsurykau |first7=Andrei |last8=Mesic |first8=Armin |last9=Navathe |first9=Sudhir |last10=Papp |first10=Viktor |last11=Oliveira Fiuza |first11=Patrícia |last12=Vázquez |first12=Víctor |last13=Gautam |first13=Ajay |last14=Becerra |first14=Alejandra G. |last15=Ekanayaka |first15=Anusha |last16=K. C. |first16=Rajeshkumar |last17=Bezerra |first17=Jadson |last18=Matočec |first18=Neven |last19=Maharachchikumbura |first19=Sajeewa |last20=Suetrong |first20=Satinee |year=2020 |title=Outline of Fungi and fungus-like taxa |journal=Mycosphere |volume=11 |pages=1060–1456 |doi=10.5943/mycosphere/11/1/8 |doi-access=free|hdl=11336/151990 |hdl-access=free }}</ref> {{Main|List of Aecidium species}} [[File:Neues_Modell_von_Aecidium_berberidis_-Osterloh-_-Brendel_10_h,_6-.jpg|thumb|Model of ''Aecidium berberidis'', [[Botanical Museum Greifswald]]]]
== Existence and occurrences == There have been 11737 occurrences of ''Aecidium''. Though the genus can be found globally, it has been predominantly found in the [[United States|USA]] and [[Europe]].<ref>{{Cite web |title=Aecidium Pers. |url=https://www.gbif.org/species/2513143 |access-date=2022-11-19 |website=www.gbif.org |language=en}}</ref>
== Selected species == {{div col|colwidth=20em}} * ''[[Aecidium abietis-mariesii]]'' * ''[[Aecidium abscedens]]'' * ''[[Aecidium acalyphae]]'' * ''[[Aecidium acalyphae-ciliatae]]'' * ''[[Aecidium acanthocarpi]]'' * ''[[Aecidium acanthopanacis]]'' * ''[[Aecidium aceris]]'' * ''[[Aecidium achyrophori]]'' * ''[[Aecidium aconiti-anthorae]]'' * ''[[Aecidium aconiti-paniculati]]'' * ''[[Aecidium aconiti-phragmitincolae]]'' * ''[[Aecidium actinidiae]]'' * ''[[Aecidium adenariae]]'' * ''[[Aecidium adenophorae]]'' * ''[[Aecidium adenophorae-verticillatae]]'' * ''[[Aecidium adenostylis]]'' * ''[[Aecidium adhatodae]]'' * ''[[Aecidium adhatodicola]]'' * ''[[Aecidium advectitium]]'' * ''[[Aecidium aechmantherae]]'' * ''[[Aecidium ageratinae]]'' * ''[[Aecidium agnesiae]]'' * ''[[Aecidium aikeni]]'' * ''[[Aecidium alanthi]]'' * ''[[Aecidium ajugae]]'' * ''[[Aecidium akebiae]]'' * ''[[Aecidium alangii]]'' * ''[[Aecidium alaskanum]]'' * ''[[Aecidium alaterni]]'' * ''[[Aecidium albicans]]'' * ''[[Aecidium albiceratum]]'' * ''[[Aecidium alchorneae]]'' * ''[[Aecidium alchorneae-rugosae]]'' * ''[[Aecidium alibertiae]]'' * ''[[Aecidium allii-ursini]]'' * ''[[Aecidium alternantherae]]'' * ''[[Aecidium amagense]]'' * ''[[Aecidium amaryllidis]]'' * ''[[Aecidium amazonense]]'' * ''[[Aecidium ampliatum]]'' * ''[[Aecidium anaphalidis-leptophyllae]]'' * ''[[Aecidium anceps]]'' * ''[[Aecidium ancundense]]'' * ''[[Aecidium ancylanthi]]'' * ''[[Aecidium andicola]]'' * ''[[Aecidium anemarrhenae]]'' * ''[[Aecidium anemones-silvestris]]'' * ''[[Aecidium anningense]]'' * ''[[Aecidium annonae]]'' * ''[[Aecidium anograe]]'' * ''[[Aecidium antherici]]'' * ''[[Aecidium anthericicola]]'' * ''[[Aecidium antholyzae]]'' * ''[[Aecidium aphelandrae]]'' * ''[[Aecidium aposeridis]]'' * ''[[Aecidium approximans]]'' * ''[[Aecidium araliae]]'' * ''[[Aecidium archibaccharidis]]'' * ''[[Aecidium arctoum]]'' * ''[[Aecidium arcularium]]'' * ''[[Aecidium arenariae]]'' * ''[[Aecidium argyreiae-involucratae]]'' * ''[[Aecidium argythamniae]]'' * ''[[Aecidium ari]]'' * ''[[Aecidium aridum]]'' * ''[[Aecidium aristochiicola]]'' * ''[[Aecidium artabotrydis]]'' * ''[[Aecidium arunci]]'' * ''[[Aecidium asarifolium]]'' * ''[[Aecidium asparagacearum]]'' * ''[[Aecidium asperulae-ciliatae]]'' * ''[[Aecidium asphodeli]]'' * ''[[Aecidium asphodeli-microcarpi]]'' * ''[[Aecidium aspiliae]]'' * ''[[Aecidium astrochlaenae]]'' * ''[[Aecidium atriplicis]]'' * ''[[Aecidium atroalbum]]'' * ''[[Aecidium atrocrustaceum]]'' * ''[[Aecidium avocense]]'' * ''[[Aecidium baccharidis]]'' * ''[[Aecidium baccharidophilum]]'' * ''[[Aecidium breyniae]]'' * ''[[Aecidium campanulastri]]'' {{Au|G.W. Wilson (1911)}} * ''[[Aecidium cannabis]]'' {{Au|Szembel (1927)}} * ''[[Aecidium caspicum]]'' {{Au|Jacz. (1900)}} * ''[[Aecidium magellanicum]]'' * ''[[Aecidium narcissi]]'' {{div col end}}
== References == {{Reflist|refs=
<ref name=Kirk2008>{{cite book |vauthors=Kirk PM, Cannon PF, Minter DW, Stalpers JA |title=Dictionary of the Fungi |edition=10th |publisher=CABI |location=Wallingford, UK |year=2008 |page=10 |isbn=978-0-85199-826-8}}</ref>
<ref name="urlMycoBank: Aecidium">{{cite web |title=''Aecidium'' Pers. 1796 |url=http://www.mycobank.org/MycoTaxo.aspx?Link=T&Rec=16006 |publisher=International Mycological Association |work=MycoBank |access-date=2011-07-08}}</ref>
}}
== External links == {{Commons category}} *{{IndexFungorum|251250}}
{{Taxonbar|from=Q15963707}} {{Authority control}}
[[Category:Fungal plant pathogens and diseases]] [[Category:Pucciniales]]
{{Teliomycotina-stub}} {{plant-disease-stub}}