# Xenasma

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> Source: https://en.wikipedia.org/wiki/Xenasma
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{{Short description|Genus of fungi}}
{{Use dmy dates|date=September 2025}}
{{Automatic taxobox
| image = Xenasma pulverulentum 212363.jpg
| image_caption = ''[Xenasma pulverulentum](/source/Xenasma_pulverulentum)''
| taxon = Xenasma
| authority = [Donk](/source/Marinus_Anton_Donk) (1957)
| type_species = ''[Xenasma rimicola](/source/Xenasma_rimicola)''
| type_species_authority = ([P.Karst.](/source/P.Karst.)) Donk (1957)
| synonyms_ref = <ref name="urlMycoBank: Xenasma"/>
| synonyms = *''Clitopilina'' {{au|[G.Arnaud](/source/G.Arnaud) (1951)}}<ref name="Arnoud 1951"/>
| subdivision_ranks = 
}}

'''''Xenasma''''' is a [genus](/source/genus) of [corticioid fungi](/source/corticioid_fungi) in the order [Polyporales](/source/Polyporales). It was [circumscribed](/source/circumscription_(taxonomy)) by mycologist [Marinus Anton Donk](/source/Marinus_Anton_Donk) in 1957.<ref name="Donk 1957"/>

==Species==
*''[Xenasma aculeatum](/source/Xenasma_aculeatum)'' {{au|C.E.Gómez (1972)}} – Argentina<ref name="Gómez 1972"/>
*''[Xenasma amylosporum](/source/Xenasma_amylosporum)'' {{au|Parmasto (1968)}}<ref name="Parmasto 1968"/>
*''[Xenasma longicystidiatum](/source/Xenasma_longicystidiatum)'' {{au|Boidin & Gilles (2000)}} – [Réunion Island](/source/R%C3%A9union_Island)<ref name="Boidin 2000"/>
*''[Xenasma parvisporum](/source/Xenasma_parvisporum)'' {{au|Pouzar (1982)}}<ref name="Pouzar 1982"/>
*''[Xenasma praeteritum](/source/Xenasma_praeteritum)'' {{au|(H.S.Jacks.) Donk (1957)}} – Cameroon; Jamaica; Puerto Rico
*''[Xenasma pruinosum](/source/Xenasma_pruinosum)'' {{au|(Pat.) Donk (1957)}} – Great Britain
*''[Xenasma pulverulentum](/source/Xenasma_pulverulentum)'' {{au|(Litsch.) Donk (1957)}} – Dominican Republic; France; Great Britain; Jamaica; Netherlands
*''[Xenasma rimicola](/source/Xenasma_rimicola)'' {{au|(P.Karst.) Donk (1957)}} – Portugal; Taiwan
*''[Xenasma subclematidis](/source/Xenasma_subclematidis)'' {{au|S.S.Rattan (1977)}} – Asia<ref name="Rattan 1977"/>
*''[Xenasma tulasnelloideum](/source/Xenasma_tulasnelloideum)'' {{au|(Höhn. & Litsch.) Donk (1957)}} – Cameroon; Dominican Republic; Great Britain; Ontario; Portugal
*''[Xenasma vassilievae](/source/Xenasma_vassilievae)'' {{au|Parmasto (1965)}} – Europe<ref name="Parmasto 1965"/>

==References==
{{Reflist|refs=

<ref name="Arnoud 1951">{{cite journal |author=Arnaud G. |title=Les boucles mycéliennes des eumycètes et la philogenie des urédinées |journal=Bulletin de la Société Mycologique de France |year=1951 |volume=67 |pages=173–198 |language=fr}}</ref>

<ref name="Boidin 2000">{{cite journal |author1=Boidin, J. |author2=Gilles, G. |year=2000 |title=Basidiomycètes Aphyllophorales de l'ile de La Reunion. XXI – Suite |journal=Mycotaxon |volume=75 |pages=357–387 |language=fr |url=http://www.cybertruffle.org.uk/cyberliber/59575/0075/0357.htm}}</ref>

<ref name="Donk 1957">{{cite journal |author=Donk, M.A. |year=1957 |title=Notes on resupinate Hymenomycetes IV |journal=Fungus |volume=27 |pages=1–29}}</ref>

<ref name="Gómez 1972">{{cite journal |author=Gómez, C.E. |year=1972 |title=''Xenasma'' y géneros afines de los alrededores de Buenos Aires (Aphyllophorales) |journal=Boletín de la Sociedad Argentina de Botánica |volume=14 |issue=4 |pages=269–281 |language=es}}</ref>

<ref name="Parmasto 1965">{{cite journal |author=Parmasto, E. |year=1965 |title=Corticiaceae U.R.S.S. I. Descriptiones taxorum novarum. Combinationes novae |journal=Eesti NSV Teaduste Akadeemia Toimetised |volume=14 |issue=2 |pages=220–233|doi=10.3176/biol.1965.2.06 |doi-access=free }}</ref>

<ref name="Parmasto 1968">{{cite book |author=Parmasto, E. |year=1968 |title=Conspectus Systematis Corticiacearum |publisher=Tartu |page=227}}</ref>

<ref name="Pouzar 1982">{{cite journal |author=Pouzar, Z. |year=1982 |title=Taxonomic studies in resupinate fungi I |journal=Ceská Mykologie |volume=36 |issue=3 |pages=141–145}}</ref>

<ref name="Rattan 1977">{{cite book |author=Rattan, S.S. |year=1977 |title=The resupinate Aphyllophorales of the North Western Himalayas |series=Bibliotheca Mycologica |volume=60 |page=233}}</ref>

<ref name="urlMycoBank: Xenasma">{{cite web |title=''Xenasma'' Donk 1957 |url=http://www.mycobank.org/BioloMICS.aspx?Link=T&TableKey=14682616000000067&Rec=57631&Fields=All |publisher=[MycoBank](/source/MycoBank). International Mycological Association |access-date=2012-04-12}}</ref>

}}

{{Taxonbar|from=Q8043461}}

Category:Polyporales
Category:Polyporales genera
Category:Taxa named by Marinus Anton Donk
Category:Taxa described in 1957

{{Polyporales-stub}}

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Adapted from the Wikipedia article [Xenasma](https://en.wikipedia.org/wiki/Xenasma) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Xenasma?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.