| Phylum: Ascomycota | Class: Leotiomycetes |
| Order: Helotiales | Family: Rutstroemiaceae |
| Species: Rutstroemia sydowiana (Rehm) W.L. White | |
| Synonyms: |
Ciboria sydowiana Ombrophila sydowiana Pengrwn Dail Derw Poculum sydowianum |
| Common Name: | Oakleaf Cup |
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| Click on the dots to get a species list for the 10km square that it represents. | |
| This distribution map was produced using DMap | |
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| View this species in its UK context on the NBN Atlas | |
| Associated Species (where recorded) & number of records: Quercus petraea (2) Quercus (1) Quercus robur (1) |
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| Habitat (where recorded) & number of records: Woodland: broadleaved, semi-natural (2) Built up area, domestic (1) Neutral grassland: semi-improved (1) Parkland and scattered trees (1) Scrub (1) Woodland and scrub (1) Woodland: mixed, plantation (1) |
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| Substrate (where recorded) & number of records: Branch (1) Leaf (1) Leaf Litter (1) Petiole (1) |
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| Months recorded in & number of records: September (3) October (4) |
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