SYNCHYTRIUM ERIEUM
on Plantago lanceolata
GALL
leaves with tiny warts, less than half a mm, yellow or orange, usually a large number together. They consist of a single infected cell, surrounded by 2-3 layers of un-infected, but swollen and discoloured cells.
HOST PLANTS
Plantaginaceae, narrowly monophagous
Plantago lanceolata.
(Accessed 4/23/2025. Click below for photos.)
β- Willem N. Ellis: (2021) Plant Parasites of EuropeΒ©