ЗА НЯКОИ ДЪРВЕТА, СПОМЕНАТИ В ПРОЕКТА

 ДЪБ

Интересно:

Дъбът във филателията:

Блок Най-старият дъб в България

Блок Най-старият дъб в България | Пощенски марки | Филателия | BalkanAuction

Вековни дървета

пощенски марки Вековни дървета. bulgaria 1964

Oaks on Postage Stamps

https://www.internationaloaksociety.org/content/oaks-postage-stamps

Организации

The International Oak Society (IOS)

https://www.internationaloaksociety.org/content/about-ios

ДЪБ

Интересно:

Дъбът в филателията:

Oaks on Postage Stamps

https://www.internationaloaksociety.org/content/oaks-postage-stamps

Организации

The International Oak Society (IOS)

https://www.internationaloaksociety.org/content/about-ios

The International Oak Society (IOS) is a nonprofit organization dedicated to collaboration for the conservation, study, and appreciation of oaks (genus Quercus) around the world. The society was founded in 1992 and has since grown to become a global network of oak enthusiasts, including scientists, academics, conservationists, horticulturists, and amateurs who share a passion for these magnificent trees and shrubs and their essential roles in natural ecosystems and the human landscape. 

Библиография

Желязното дърво на Странджа чезне

https://trud.bg/article-5360121/?fbclid=IwZXh0bgNhZW0CMTEAAR04kEIJfuPwxvTQAzpquh1N0l6zOHtCfZAHFhc5f5GMbJne63H5tgJpI2o_aem_e9etld-mWFUGL1v8f5CLmg

Автор: Проф. Божидар Димитров