Seed Source
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- Trees within an area from which seeds are collected (OECD 2015[1]).
References
- ↑ OECD (2015) OECD Forest Seed and Plant Scheme. 53 p. (Accessed online on 2015-12-21 at: http://www.oecd.org/tad/code/RuleAndRegulations_EN_2015.pdf)