The following relationships have been collated from the published literature (see 'References').
| Stage | Summary | Taxon | Vernacular | Classification | References | |||
|---|---|---|---|---|---|---|---|---|
| fruitbody | fruitbody is associated with |  |
POACEAE | grasses, couch | Poales | Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 |
Agaricus urinascens var urinascens (Macro Mushroom) may also be included in 'feeds on' relations listed under the following higher taxa:
| Author & Year | Title | Source |
|---|---|---|
| Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005 | Checklist of the British and Irish Basidiomycota | 517pp, Royal Botanic Gardens, Kew |
 NBN (data.nbn.org.uk)
has a distribution map for Agaricus urinascens var urinascens (Macro Mushroom)
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Agaricus urinascens var urinascens (Macro Mushroom) may be included in identification literature listed under the following higher taxa:
Literature listed under the following higher taxa may be relevant to Agaricus urinascens var urinascens (Macro Mushroom):
This is one of our largest mushrooms with a cap up to 30cm diameter. It is recognised by the large size, shaggy stem and large pendent ring with marginal scales on the underside. It is fairly common in grassland. The species is being cultivated industrially in a few countries. It was formerly known as Agaricus macrosporus.
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