Record Summary | on leaf-spots on Common Dog-Violet leaves |
Found as | Anamorph |
Date | 16 September 2007 |
Associated organism | Viola riviniana |
OS grid ref | OSGR: SU56 |
Lat/Lon | 51° 20’ N, 1° 10’ W |
Vice County | Berks, VC no: 22 |
Country | England |
Voucher | 16 Sep 2007[A] (Please quote this in any queries about this record) |
Notes:
Leaf-spots up to 11mm diam, sometimes abundant enough to kill the leaf; grey above, with pale centres peppered with fine, short dark brown lines and spots; with a thin dark line around the outside; some with concentric zonation. Underside similar but with better developed maze-like brown lines and triangles but without zonation; white-spotted from tufts of hyaline conidiophores emerging through the stomata.
Conidia: narrowly cylindric, 8-30/2-3µm, with cicatrised scars at each end, becoming 1-septate.
The following literature was used to identify this find:
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