Phylum: Basidiomycota	Class: Agaricomycetes
Order: Agaricales	Family: Clavariaceae
Species: Clavulinopsis helvola (Pers.) Corner

Synonyms:

Clavaria dissipabilis Clavaria helvola Clavaria inaequalis

Common Name:

Yellow Club

Swedish Indicator List: Woodland Indicator Species

A grassland indicator species

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This distribution map was produced using DMap

Photographer: © Mark Wright

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View this species in its UK context on the NBN Atlas

Associated Species (where recorded) & number of records: Carex (8) Fagus sylvatica (3) Quercus (2) Alnus glutinosa (1) Bryophyta (1) Fraxinus excelsior (1) Poa (1) Poaceae (1)

Habitat (where recorded) & number of records: Acid grassland: semi-improved (19) Neutral grassland: semi-improved (14) Acid grassland (9) Woodland: broadleaved, semi-natural (7) Built up area, domestic (6) Woodland (6) Calcareous grassland (5) Woodland and scrub (5) Calcareous grassland: unimproved (4) Grassland and marsh (4) Woodland: mixed (4) Festuca ovina-Agrostis capillaris-Galium saxatile grassland (3) Neutral grassland: unimproved (3) Acid grassland: unimproved (2) Coastland: grey dunes (2) Cynosurus cristatus-Centaurea nigra grassland (2) Grassland: acidic, upland (2) Grassland: neutral, unimproved, lowland (2) Neutral grassland (2) Parkland and scattered trees (2) Scrub (2) Small parks and city squares (2) Woodland: broadleaved (2) Bog (1) Grassland: acidic, semi-improved, upland (1) Grassland: calcareous, semi-improved, upland (1) Maritime cliff and slope: coastal grassland (1) Marsh/marshy grassland (1) Mire: blanket bog (1) Nardus stricta-Galium saxatile grassland (1) Parkland and scattered trees: mixed (1) Sand-dune (1) Sand-dune: dune grassland (1) Wet heath/acid grassland (1)

Substrate (where recorded) & number of records: Soil Grassy (74) Soil (65) Soil Mossy (9) Moss (2)

Months recorded in & number of records: January (1) March (1) August (3) September (25) October (136) November (59) December (1)