Acknowledgements
The authors would like to thank Aurora Toennisson for their assistance
with sample processing, the Schal lab for feedback on research
protocols, Burrack lab members for manuscript suggestions, Keck Center
for research funding, the US National Forest Service and the Grandfather
Mountain Stewardship Foundation for collection permission, and NSF-IGERT
(grant number DGE-1068676) for fellowship support (JEE), and the USDA
NIFA OREI program (grant numbers 2018-02859 and 2015-07403) for research
support. The authors declare no conflict of interest.