The botanical journeys of A. K. Cajander and J. I. Lindroth to Karelia and Onega River in 1898 and 1899, with a list of their bryophyte and lichen collectionsTeuvo Ahti · First published 2006Open the Tome
A familia Cladoniaceae (liquens) no Rio Grande do Sul, BrazilTeuvo Ahti · First published 1995Open the Tome
Contribution to the study of the genera Cladina and Cladonia in Spain. IITeuvo Ahti · First published 1994Open the Tome
Nomenclatural notes on Cladonia delessertii and Cladonia alpicolaTeuvo Ahti · First published 1967Open the Tome
Preliminary studies on woodland caribou range, especially on lichen stands, in OntarioTeuvo Ahti · First published 1967Open the Tome
Correlation of the chemical and morphological characters in Cladonia chlorophaea and allied lichensTeuvo Ahti · First published 1966Open the Tome
Parmelia olivacea and the allied non-isidiate and non-sorediate corticolous lichens in the Northern HemisphereTeuvo Ahti · First published 1966Open the Tome
The occurrence of the lichens Cladonia nemoxyna, C. Glauca and C. polycarpoides in FinlandTeuvo Ahti · First published 1966Open the Tome
New Localities for Cavernularia hultenii in eastern and western North AmericaTeuvo Ahti · First published 1965Open the Tome