|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|
|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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