Ara
, Arachnion , Arachniopsis , Arachniotus , Arachnocrea , Arachnomyces , Arachnomycetaceae , Arachnomycetales , Arachnopeziza , Arachnophora , Arachnospora , Arachnotheca , Araeocoryne , Araneomyces , Araneosa
Arb
, Arborillus , Arborispora , Arbusculina
Arc
, Arcangeliella
Archaeorhizomyces
- Archaeorhizomyces finlayi Rosling & T.Y. James 2011
Fungi → Ascomycota → Archaeorhizomycetes → Archaeorhizomycetales → Archaeorhizomycetaceae
Porodica Archaeorhizomycetaceae
- Rod: Archaeorhizomyces
Fungi → Ascomycota → Archaeorhizomycetes → Archaeorhizomycetales
Red Archaeorhizomycetales
- Porodica Archaeorhizomycetaceae
Fungi → Ascomycota → Archaeorhizomycetes
Razred Archaeorhizomycetes
Fungi → Ascomycota , Archaeospora , Archaeosporaceae , Archaeosporales , Architrypethelium , Arcispora , Arcticomyces , Arctomia , Arctomiaceae , Arctomollisia , Arctoparmelia
Arcuadendron Sigler & J.W. Carmich.
- Arcuadendron ovatum Sigler & J.W. Carmich. 1976
- Arcuadendron triangulare Sigler & J.W. Carmich. 1976
Ard
, Ardhachandra
Are
, Arecacicola , Arecomyces , Arecophila , Arenaea , Arenariomyces
Arg
, Argentinomyces , Argomyces , Argopericonia , Argynna , Argynnaceae
Ari
, Ariefia , Aristastoma
Porodica Arizonaphlyctidaceae
- Rod: Arizonaphlyctis
Fungi → Chytridiomycota → Rhizophlyctidales
Arizonaphlyctis Letcher
- Arizonaphlyctis lemmonensis Letcher 2008
Fungi → Chytridiomycota → Rhizophlyctidales → Arizonaphlyctidaceae
Ark
, Arkaya
Arkoola J. Walker & Stovold
- Arkoola nigra J. Walker & Stovold 1986
Fungi → Ascomycota → Dothideomycetes → Pleosporales → Venturiaceae
Arm
, Armata , Armatella , Armatellaceae
Armillaria (Fr.) Staude
- Armillaria affinis (Singer) T.J. Volk & Burds., 1995
- Armillaria altimontana Brazee, B. Ortiz, Banik & D.L. Lindner, 2012
- Armillaria apalosclera (Berk.) A. Chandra & Watling, 1982
- Armillaria appendiculata Peck, 1897
- Armillaria argentina Speg., 1898
- Armillaria atkinsoniana (Coker) Locq., 1952
- Armillaria australis Murrill, 1945
- Armillaria badicephala Zeller, 1935
- Armillaria borealis Marxm. & Korhonen, 1982
- Armillaria bruchii Speg., 1926
- Armillaria bulbosa (Barla) Kile & Watling, 1983
- Armillaria calvescens Bérubé & Dessur., 1989
- Armillaria camerunensis (Henn.) Courtec., 1995
- Armillaria carneogelatinosa Rick, 1920
- Armillaria casimiri Velen., 1920
- Armillaria cepistipes Velen., 1920
- Armillaria cerasi Velen., 1920
- Armillaria contorticystis A.H. Sm., 1979
- Armillaria dactyliophora (Lév.) Beeli, 1927
- Armillaria ectypa (Fr.) Lamoure, 1965
- Armillaria fellea (Hongo) Kile & Watling, 1983
- Armillaria fumosa Kile & Watling, 1983
- Armillaria fuscipes Petch, 1909
- Armillaria gallica Marxm. & Romagn., 1987
- Armillaria gemina Bérubé & Dessur., 1989
- Armillaria gigantea Yasuda, 1918
- Armillaria granulosoides Zeller, 1933
- Armillaria graveolens Murrill, 1943
- Armillaria griseomellea (Singer) Kile & Watling, 1983
- Armillaria heimii Pegler, 1977
- Armillaria hinnulea Kile & Watling, 1983
- Armillaria horridula Herp., 1912
- Armillaria inflata Velen., 1920
- Armillaria irreperta G.E. Bernard, 1919
- Armillaria jezoensis J.Y. Cha & Igarashi, 1994
- Armillaria kuraiana Pilát, 1934
- Armillaria laricina (Bolton) Sacc., 1887
- Armillaria limonea (G. Stev.) Boesew., 1977
- Armillaria luteobubalina Watling & Kile, 1978
- Armillaria lutincola (Lasch) Sacc., 1912
- Armillaria macrospora Peck, 1900
- Armillaria mellea (Vahl) P. Kumm., 1871
- Armillaria montagnei (Singer) Herink, 1973
- Armillaria nabsnona T.J. Volk & Burds., 1996
- Armillaria nigritula P.D. Orton, 1980
- Armillaria novae-zelandiae (G. Stev.) Boesew., 1977
- Armillaria obscura (Schaeff.) Herink, 1973
- Armillaria ostoyae (Romagn.) Herink, 1973
- Armillaria pallidula Kile & Watling, 1988
- Armillaria paulensis Capelari, 2008
- Armillaria paullula Herp., 1912
- Armillaria pelliculosa Beeli, 1927
- Armillaria platensis Speg., 1898
- Armillaria praecox Velen., 1920
- Armillaria procera Speg., 1889
- Armillaria puiggarii Speg., 1889
- Armillaria roblinensis Velen., 1939
- Armillaria saltensis Speg., 1898
- Armillaria saviczii (Singer) Herink, 1973
- Armillaria sinapina Bérubé & Dessur., 1988
- Armillaria singula J.Y. Cha & Igarashi, 1994
- Armillaria socialis (DC.) Fayod, 1889
- Armillaria solidipes Peck, 1900
- Armillaria sparrei (Singer) Herink, 1973
- Armillaria subcinerescens Rick, 1961
- Armillaria tabescens (Scop.) Emel, 1921
- Armillaria tigrensis (Singer) T.J. Volk & Burds., 1995
- Armillaria umbrinobrunnea (Singer) Pildain & Rajchenb., 2010
- Armillaria virginea Rick, 1961
- Armillaria viridiflava (Singer) T.J. Volk & Burds., 1995
- Armillaria viscidipes Peck, 1891
- Armillaria yungensis (Singer) Herink, 1973
Fungi → Basidiomycota → Agaricomycetes → Agaricales → Physalacriaceae
Arn
, Arnaudia , Arnaudiella , Arnaudina , Arniella , Arnium
Aro
, Aropsiclus , Aroramyces
Arp
, Arpinia
Arr
, Arrasia , Arrhenia , Arrhenosphaera , Arrhytidia
Art
, Artallendea , Arthonia , Arthoniaceae , Arthoniales , Arthoniomycetes , Arthopyrenia , Arthopyreniaceae , Arthopyreniomyces , Arthotheliopsis , Arthothelium , Arthrinium , Arthroascus , Arthrobotryomyces , Arthrobotrys , Arthrobotryum , Arthrocladiella , Arthrocladium , Arthrocristula , Arthroderma , Arthrodermataceae , Arthrodochium , Arthrographis , Arthromyces , Arthropsis , Arthropycnis , Arthrorhaphidaceae , Arthrorhaphis , Arthrorhynchus , Arthrosporella , Arthrosporium , Arthrosporum , Arthrowallemia , Arthroxylaria , Arthuria , Arthuriomyces , Articularia , Articulis , Articulophora , Articulospora , Artocarpomyces , Artomyces
Aru
, Arualis
Arw
, Arwidssonia
Arx
, Arxiella , Arxiomyces