Kaasalainen U, Mollel N, Hemp A. 2021. Lichen communities in the montane ecosystems of Mt. Kilimanjaro, Tanzania. 9th Symposium of the International Association for Lichenology, Bonito, Brazil (3.8.2021). pdf
Kaasalainen U, Kukwa M, Rikkinen J, Schmidt AR. 2021. Contributions to the Paleogene lichen flora of Europe: Crustose and fruticose lichens. 9th Symposium of the International Association for Lichenology, Bonito, Brazil (4.8.2021). pdf
Kaasalainen U, Hemp A, Mollel N, Rikkinen J. 2017. Symbionts and changing environment: Lichen diversity and photobiont associations in tropical mountain ecosystems. Afromont-Mt Kilimanjaro Mountain Research Conference, Moshi, Tanzania (24.2.2017). pdf
Steuernagel L, Kaasalainen U, Rikkinen J, Schmidt AR. 2016. Fossil evidence of lichen grazing from Paleogene amber. 8th Symposium of the International Association for Lichenology, Helsinki, Finland. pdf