Trap Pond State Park - What's under the microscope is tree resin. Resin is mostly produced by woody plants, and resin liquid will harden when exposed to air. The tree produces resin
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Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library
![Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/75cf8085-238a-41db-bc5c-c4baac1b3b81/brv12414-fig-0003-m.jpg)
Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library
![Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/e2722184-618e-43e3-9759-e240de6abe0a/brv12414-fig-0009-m.jpg)
Production and preservation of resins – past and present - Seyfullah - 2018 - Biological Reviews - Wiley Online Library
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The influence of silvicultural practices on resin production: stand density, tree diameter, and use of controlled fire | Oppla
![Harvested resin produced by pine trees. Resins are used in the production of varnishes, adhesives, or perfume Stock Photo - Alamy Harvested resin produced by pine trees. Resins are used in the production of varnishes, adhesives, or perfume Stock Photo - Alamy](https://c8.alamy.com/comp/DXA42C/harvested-resin-produced-by-pine-trees-resins-are-used-in-the-production-DXA42C.jpg)
Harvested resin produced by pine trees. Resins are used in the production of varnishes, adhesives, or perfume Stock Photo - Alamy
![Tree breeding program of Pinus pinaster for resin production in the province of Segovia (Spain) | Oppla Tree breeding program of Pinus pinaster for resin production in the province of Segovia (Spain) | Oppla](https://oppla.eu/sites/default/files/styles/large/public/images/case-study/resin-oriented-stand.jpg?itok=hfq6d_Gt)