Robuta

https://www.jjh.cz/j/index.php/563-rainar-hakulinen-1918-1991-a-link-in-the-finnish-tradition-of-lichenology Rainar Hakulinen (1918-1991), a link in the Finnish tradition of lichenology - Katalog -... rainar hakulinenfinnishtraditionlichenologykatalog