Phylum: Basidiomycota	Class: Agaricomycetes
Order: Geastrales	Family: Geastraceae
Species: Geastrum michelianum (Sacc.) W.G. Sm.

Synonyms:

Geastrum cryptorhynchum Geastrum kalchbrenneri Geastrum pillotii Geastrum saccatum Geastrum triplex rionnag na talmhainn rionnagan na talmhainn Seren Ddaear Dorchog

Common Name:

Collared Earthstar

Swedish Indicator List: Woodland Indicator Species

Most records are labelled as G. triplex but this species was described in Indonesia. Molecular work has shown it to be different from the European 'triplex' which is now called G. michelianum

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This distribution map was produced using DMap

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: Fagus sylvatica (12) Corylus avellana (4) Quercus (3) Ligustrum ovalifolium (2) Cupressus macrocarpa (2) Taxus baccata (1) Tilia (1) Ligustrum (1) Betula pendula (1) Betula (1) Alnus (1) Aesculus hippocastanum (1) Fraxinus excelsior (1)

Habitat (where recorded) & number of records: Woodland and scrub (10) Parkland and scattered trees: mixed (6) Parkland and scattered trees (3) Woodland (3) Woodland: broadleaved, semi-natural (3) Woodland: mixed (3) Woodland: mixed, plantation, high forest (2) Woodland: mixed, semi-natural (2) Bog: raised (1) Boundaries: intact hedges, species-poor (1) Built up area, domestic (1) Built-up areas (1) Neutral grassland: semi-improved (1) Woodland: broadleaved (1) Woodland: broadleaved, plantation (1)

Substrate (where recorded) & number of records: Soil (26) Soil Leaves (8) Leaf Litter (4) Soil Needle (4) Gravel path (1) Soil Mossy (1)

Months recorded in & number of records: January (10) February (1) March (2) April (4) May (1) August (10) September (24) October (42) November (17) December (11)