- Researchers are analysing DNA samples of river red gums to help improve genetic diversity
- The native eucalypt is endangered in the Hunter Valley
- There are calls for a collaborative approach to restoring river red gums in the region
"This was part of a continuum of a much bigger population that was coming along the whole state,"Mr Rossetto said.
"It's what enables our populations to adapt to climate change or be able to resist disease."
"Then we know how these trees are related within this patch, how they're related to trees out west."
"Over 70 per cent of land in NSW is privately owned,"she said.
"We need to know more about what we've got before it's gone so we've got a chance to protect it and preserve it,"Mr Taylor said.