De gonidiis lichenum dissertatio inauguralis botanica quam consensu et auctoritate ordinis amplissimi philosophorum ad summos in philosophia honores rite capessendos in Universitat...

by Koerber, Gustav Wilhelm (1817-1885).
Published 1839

Lichenographia europaea reformata praemittuntur lichenologiae fundamenta : compendium in theoreticum et practicum lichenum studium /

by Fries, Elias (1794-1878).