Collybiopsis biformis

(Peck) R.H. Petersen

a fungus

GNRUnranked Found in 1 roadless area NatureServe Explorer →

GNRUnrankedGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.1071665

Element CodeNFAGA2F0E0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryFungus

KingdomFungi

PhylumBasidiomycota

ClassBasidiomycetes

OrderAgaricales

FamilyOmphalotaceae

GenusCollybiopsis

Synonyms

Gymnopus biformis(Peck) Halling

Concept Reference

Index Fungorum and Species Fungorum. 2018. In Index Fungorum-Species Fungorum (https://indexfungorum.org and https://speciesfungorum.org) database export on 16 June 2018. Royal Botanic Gardens, Kew.

Taxonomic Comments

Species Fungorum (2025) transfers Gymnopus biformis to Collybiopsis biformis; these represent the same concept for the element.

Ecology & Habitat

Other Nations (2)

United StatesNNR

Province	Rank	Native
Indiana	SNR	Yes

CanadaNU

Province	Rank	Native
Quebec	S3	Yes
British Columbia	SU	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (1)

Pennsylvania (1)

Area	Forest	Acres
Tracy Ridge	Allegheny National Forest	9,034

References (4)

Index Fungorum and Species Fungorum. 2018. In Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 16 June 2018. Royal Botanic Gardens, Kew.
Index Fungorum and Species Fungorum. 2023. In Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 13 May 2023. Royal Botanic Gardens, Kew.
Index Fungorum and Species Fungorum. 2025. In Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 29 September 2025. Royal Botanic Gardens, Kew.
MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]