Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Pine stem under the microscope. Odra Noel. Source: Wellcome Collection.
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Pine stem under the microscope. Odra Noel. Source: Wellcome Collection.