1990s

• Peterson, E. and Rikkinen, J. (1998) Stenocybe fragmenta, a new species of Mycocaliciaceae with fragmenting spores. – Mycologia 90: 1087–1090.   **[RLL List # 173 / Rec.# 14377] - (Recent Literature on Lichens)** (Complete article)
• Rikkinen, J. (1999) Two new species of resinicolous Chaenothecopsis (Mycocaliciaceae) from western North America. - The Bryologist 102(3): 366–369.   **[RLL List # 176 / Rec.# 15678] - (Recent Literature on Lichens)** (JSTOR)

2000s

• Rikkinen, J. (2000) Two new species of Caliciopsis (Coryneliaceae) from Hunan Province, China. – Karstenia 40: 147–151.
• Rikkinen, J. & Poinar, O, Jr. (2000) A new species of resinicolous Chaenothecopsis (Mycocaliciaceae, Ascomycota) from 20 million year old Bitterfeld amber, with remarks on the biology of resinicolous fungi. – Mycological Research 104: 7–15.   **[RLL List # 183 / Rec.# 21952] - (Recent Literature on Lichens)** (Abstract)
• Rikkinen, J. & Poinar, O, Jr. (2002) Fossilised Anzia (Lecanorales, lichen-forming Ascomycota) from European Tertiary amber. – Mycological Research 106: 984–990.   **[RLL List # 190 / Rec.# 23983] - (Recent Literature on Lichens)** (doi:10.1017/S0953756202005907)
• Rikkinen, J. (2003) Chaenothecopsis nigripunctata, a remarkable new species of resinicolous Mycocaliciaceae from western North America. – Mycologia 95: 98–103.  **[RLL List # 190 / Rec.# 24172] - (Recent Literature on Lichens)** (Complete article)
• Rikkinen, J. (2003) New resinicolous ascomycetes from beaver scars in western North America. – Annales Botanici Fennici 40: 443–450.   **[RLL List # 194 / Rec.# 25150] - (Recent Literature on Lichens)** (Web site)
• Rikkinen, J. & Poinar, O, Jr. (2008) A new species of Phyllopsora (Lecanorales, lichen-forming Ascomycota) from Dominican amber, with remarks on the fossil history of lichens. – Journal of Experimental Botany 59: 1013–1021.   **[RLL List # 225 / Rec.# 33368] - (Recent Literature on Lichens)** (doi: 10.1093/jxb/ern004)

2010s

• Tuovila, H.; Cobbinah, J.R. and Rikkinen, J. (2011) Chaenothecopsis khayensis, a new resinicolous calicioid fungus from tropical Africa. – Mycologia 103: 610–615.   **[RLL List # 224 / Rec.# 33073] - (Recent Literature on Lichens)** (doi:10.3852/10-194)
• Tuovila, H. and Rikkinen, J. (2011) Three North-American resinicolous species of Mycocaliciales in Europe, with a re-evaluation of Chaenothecopsis oregana Rikkinen. – Karstenia 51: 37–49.   **[RLL List # 226 / Rec.# 33631] - (Recent Literature on Lichens)** (Abstract)
• Tuovila, H., Rikkinen, J. & Huhtinen, S. 2012. Nomenclatural corrections in calicioid fungi. Karstenia: The Journal of the Finnish Mycological Society 52(2): 73–74. DOI: 10.29203/ka.2012.451 . ResearchGate . Reference page. 
• Tuovila, H.; Schmidt, A.R.; Beimforde, C., Dörfelt, H., Grabenhorst, H. and Rikkinen, J. (2012) Stuck in time – a new Chaenothecopsis species with proliferating ascomata from Cunninghamia resin and its fossil ancestors in European amber. – Fungal Diversity 58: 199–213   (Article)
• Rikkinen, J., Tuovila, H., Beimforde, C., Seyfullah, L., Perrichot, V. & Schmidt, A.R. 2014. Chaenothecopsis neocaledonica sp. nov.: The first resinicolous mycocalicioid fungus from an araucarian conifer. Phytotaxa 173(1): 49–60. DOI: 10.11646/phytotaxa.173.1.4 Reference page. 
• Rikkinen, J.; Tuovila, H.; Beimforde, C.; Seyfullah, L.; Perrichot, V.; and Schmidt, A.R. 2014: Chaenothecopsis neocaledonica sp. nov.: The first resinicolous mycocalicioid fungus from an araucarian conifer. Phytotaxa 173(1): 49–60   (Article)
• Tuovila, H.; Davey, M.L.; Yan, L., Huhtinen, S. and Rikkinen, J. (2014) New resinicolous Chaenothecopsis species from China. – Mycologia 106: 989–1003. (doi:10.3852/13-178)

• Kettunen, E.; Grabenhorst, H.; Gröhn, C.; Dörfelt, H.; Rikkinen, J. and Schmidt, A.R. (2015) The enigmatic hyphomycete Torula sensu Caspary revisited. – Review of Palaeobotany and Palynology 219: 183–193.
• Rikkinen, J.; Beimforde, C.; Seyfullah, L.; Perrichot, V., Schmidt, K. and Schmidt, A.R. (2016) Resinogalea humboldtensis gen. et sp. nov., a new resinicolous fungus from New Caledonia, placed in Bruceomycetaceae, a new family of Ascomycota. – Annales Botanici Fennici 53: 205–215.
• Rikkinen, J., Beimforde, C., Seyfullah, L.J., Perrichot, Schmidt, K. & Schmidt, A.R. 2016. Resinogalea humboldtensis gen. et sp. nov., a new resinicolous fungus from New Caledonia, placed in Bruceomycetaceae fam. nova (Ascomycota). Annales Botanici Fennici 53(3–4): 205–215. DOI: 10.5735/085.053.0408 . hdl: 10138/309662 . Reference page. 
• Suija, A.; Kaasalainen, U.; Kirika, P. and Rikkinen, J. (2017) Taitaia, a novel lichenicolous fungus in tropical montane forests in Kenya (East-Africa). – The Lichenologist 50: 173–184.
• Rikkinen, J.; Meinke, S.K.L; Grabenhorst, H.; Gröhn, C. and Schmidt, A.R. (2018) Calicioid lichens and fungi in amber – Tracing extant lineages back to the Paleogene. – Geobios 51: 469–479
• Kettunen, E.; Sadowski, E-M.; Seyfullah, L.; Dörfelt, H.; Rikkinen, J. and Schmidt, A.R. (2019) Caspary’s fungi from Baltic amber: historic specimens and new evidence. – Papers in Palaeontology 5: 365–389.