Phylum: Basidiomycota Class: Agaricomycetes
Order: Agaricales Family: Clavariaceae
Species: Clavulinopsis helvola (Pers.) Corner
Synonyms: Clavaria dissipabilis
Clavaria helvola
Clavaria inaequalis
Pastwn Melyn
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
Clavulinopsis helvolaPhotographer: © Mark Wright
Photographer: © Mark Wright

Photographer: © Roy Anderson Photographer: © David Mitchel
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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)
Poa (1)
Poaceae (1)
Fraxinus excelsior (1)
Alnus glutinosa (1)
Bryophyta (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)