Synchytrium taraxaci de Bary & Woronin, (dandelion wart (causative organism))


18 May 2009 at OSGR: SU56 in Berks, England

Record SummaryTiny gregarious galls in Dandelion leaves
Found asAnamorph
Date18 May 2009
Associated organismTaraxacum officinale
OS grid refOSGR: SU56
Lat/Lon51° 30' N, 1° 10' W
Vice CountyBerks, VC no: 22
CountryEngland
Voucher18 May 2009[D]
(Please quote this in any queries about this record)

Notes: Leaf upper surface with pale yellow-green speckles coalescing to large patches which may turn reddish. Under surface with tiny gregarious hypophyllous pustules, which rapidly ripen, burst and shed a few orange spores, and then persist as small green, yellow then brown, necrotic cups.


Spores: bright orange, 80-140µm.

The following literature was used to identify this find:

standard photographs and close-ups
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