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Russia (Eur.)
List of pests-diseases-weeds for crop/product: Birch (Betula)
Information on all pests, diseases and weeds can be found in the
downloadable Excel filesclick on a pest/disease/weed to display a list of relevant publications
pests:
Lepidoptera:
Stigmella lapponica
weeds:
Eudicotyledons (other orders):
Viscum album (weed)