Green tree was removed from RuneScape after an update.

Green tree

Members only?	No
Woodcutting level	60
Woodcutting experience	0
Logs	Green logs
Farming level	Cannot be farmed.
Farming experience	Cannot be farmed.
Examine	This tree can be cut for wood worth 7 resource points.

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Green trees could be found on the east island in the Resource Race event of the Gielinor Games. Two of them are present. They yield 3 to 5 green logs before being chopped down. They required 60 Woodcutting to cut.