Phylum: Basidiomycota	Class: Agaricomycetes
Order: Hymenochaetales	Family: Hymenochaetaceae
Species: Mensularia radiata (Sowerby) Lázaro Ibiza

Synonyms:

Boletus radiatus Fomes radiatus Fomes variegatus Inonotus radiatus Polyporus radiatus Polystictus radiatus Xanthoporia radiata Ysgwydd y Gwern

Common Name:

Alder Bracket

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This distribution map was produced using DMap

On Alder, Alnus glutinosa

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: Alnus glutinosa (84) Alnus (11) Salix cinerea (2) Acer pseudoplatanus (2) Salix (1) Quercus robur (1) Pinus sylvestris (1) Betula pubescens (1) Alnus incana (1) Betula (1)

Habitat (where recorded) & number of records: Woodland: broadleaved, semi-natural (17) Woodland (13) Parkland and scattered trees (7) Woodland and scrub (7) Woodland: broadleaved (7) Neutral grassland: semi-improved (6) Woodland: mixed (6) Built up area, domestic (3) Woodland: mixed, plantation (3) Cultivated/disturbed land: amenity grassland (2) Neutral grassland (2) Scrub (2) Woodland: coniferous, plantation (2) Woodland: mixed, semi-natural (2) Boundaries: defunct hedge (1) Calcareous grassland: unimproved (1) Coastland: intertidal, boulders/rocks, brown algal beds (1) Cultivated/disturbed land: introduced shrub (1) Grassland: marshy, lowland (1) Grassland: marshy, upland (1) Marsh/marshy grassland (1) Parkland and scattered trees: broadleaved (1) Parkland and scattered trees: mixed (1) Scrub: dense/continuous, neutral (1) Scrub: scattered, acidic (1) Scrub: scattered, neutral (1) Sump alderwoods (1) Swamp (1) Valley alderwoods on mineral soils (1) Valley alderwoods on neutral-alkaline soils (1) Wet valley alderwoods (1) Woodland: broadleaved, plantation, high forest (1) Woodland: mixed, plantation, high forest (1)

Substrate (where recorded) & number of records: Tree (31) Dead Wood (24) Standing Dead Tree (15) Wood (10) Stump (4) Fallen Tree (3) Log (2) Twig (2) Cut Trunk (1) Dead Branch (1) Standing Dead Branch (1) Tree, dead (1) Tree, rotten (1) Trunk, dead (1) Trunk, fallen (1)

Months recorded in & number of records: January (9) February (5) March (5) April (12) May (9) June (7) July (10) August (6) September (13) October (38) November (15) December (3)