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| Record Summary | infection on leaf undersides of saplings/regrowth of Downy Birch |
| Found as | Uredia (II) |
| Date | 10 August 2007 |
| Associated organism | Betula pubescens |
| OS grid ref | OSGR: SU56 |
| Lat/Lon | 51° 30’ N, 1° 10’ W |
| Vice County | Berks, VC no: 22 |
| Country | England |
| Voucher | 10 Aug 2007[A] (Please quote this in any queries about this record) |
Notes:
Infection on leaf undersides of saplings/regrowth of Downy Birch in shady corner.
Uredosori: hypophyllous, on small yellow spots.
Uredospores: clavate, sparsely warty, smooth at broad end, 28-41/10.5-14µm. With orange contents. Many white, empty uredospores where they’ve been eaten by Cecidomyid larvae.
The following literature was used to identify this find:
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