1 gall present
GPS 52.1743, 4.3978
RDS 87323 465592
Accuracy 10m
Source copied observation


photo for observation


Date 2017-02-12
Number 1
Activity present
Life stage gall
On/in Pedunculate Oak - Quercus robur
Location Katwijk - Pan van Persijn - Panbos (ZH)
Observer Arjan Portengen
Counting method unknown
Method none
Validated by Bart Uitterhaegen
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