BioImages: The Virtual Field-Guide (UK)
Synchytrium taraxaci de Bary & Woronin (Dandelion Wart - causative organism)
||18 May 2009
|OS grid ref
||51° 30' N, 1° 10' W
||Vice County: Berks, VC22, England
(Please quote this in any queries about this record)
|Stage or state
||Tiny gregarious galls in Dandelion leaves
||in live, galled leaf of Taraxacum officinale
||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.