Kapusta P., Kurek P., Piechnik Ł., Szarek-Łukaszewska G., Zielonka T., Żywiec M., Holeksa J. 2020. Natural and human-related determinants of dead wood quantity and quality in a managed European lowland temperate forest. Forest Ecology and Management 459: 117845. DOI

Kemler M., Denchev T.T., Denchev C.M., Begerow D., Piątek M., Lutz M. 2020. Host preference and sorus location correlate with parasite phylogeny in the smut fungal genus Microbotryum (Basidiomycota, Microbotryales). Mycological Progress 19: 481–493. DOI

Klesse S., DeRose R.J., Babst F., Black B.A., Anderegg L.D.L., Axelson J., Ettinger A., Griesbauer H., Guiterman C.H., Harley G., Harvey J.E., Lo Y.-H., Lynch A.M., O'Connor C., Restaino C., Sauchyn D., Shaw J.D., Smith D.J., Wood L., Villanueva‐Díaz J., Evans M.E.K. 2020. Continental-scale tree-ring-based projection of Douglas-fir growth: Testing the limits of space-for-time substitution. Global Change Biology 26: 5146–5163. DOI

Kosecka M., Jabłońska A., Flakus A., Rodriguez‐Flakus P., Kukwa M., Guzow‐Krzemińska B. 2020. Trentepohlialean algae (Trentepohliales, Ulvophyceae) show preference to selected mycobiont lineages in lichen symbioses. Journal of Phycology 56: 979–993. DOI

Kowalski R., Worobiec G., Worobiec E., Krajewska K. 2020. Oligocene plant assemblage from Rębiszów, Lower Silesia: First "volcanic flora" from Poland. Acta Palaeontologica Polonica 65: 273–290. DOI

Krajewski Ł., Adamec L., Saługa M., Bednarek-Ochyra H., Plášek V. 2020. Welcome to the Czech Republic again! Rare northern mosses Calliergon megalophyllum and Drepanocladus sordidus (Amblystegiaceae) in South Bohemia in light of their European distribution and habitat preferences. PhytoKeys 154: 111–136. DOI

Krzewicka B., Matura N., Adamska E., Osyczka P. 2020. Species composition of freshwater lichens in temperate mountain streams: the effect of site, habitat and local spatial isolation. Preslia 92: 235–254. DOI

Lenarczyk J., Saługa M., Piątek J. 2020. Integrative approach helps clarify confusing taxonomy of the Pseudopediastrum boryanum species complex (Chlorophyceae), including recognition of five distinct species. Journal of Phycology 56: 1557–1574. DOI

Liu B., Paszko B. 2020. Calamagrostis hongii (Poaceae, Agrostidinae), a new species from southwestern China. PhytoKeys 166: 41–55. DOI

Ludwig L.R., Kantvilas G., Nilsen A.R., Orlovich D.A., Ohmura Y., Summerfield T.C., Wilk K., Lord J.M. 2020. A molecular-genetic reassessment of the circumscription of the lichen genus Icmadophila. The Lichenologist 52: 213–220. DOI

Milne-Rostkowska F., Holeksa J., Bogdziewicz M., Piechnik Ł., Seget B., Kurek P., Buda J., Żywiec M. 2020. Where can palatable young trees escape herbivore pressure in a protected forest? Forest Ecology and Management 47: 118221. DOI

Miranda-González R., Aptroot A., Lücking R., Flakus A., Barcenas-Peña A., de los Ángeles Herrera-Campos M. 2020. The identity, ecology and distribution of Polypyrenula (Ascomycota: Dothideomycetes): a new member of Trypetheliaceae revealed by molecular and anatomical data. The Lichenologist 52: 27–35. DOI

Mnich B., Mueller-Bieniek A., Nowak M., Wilczyński J., Pospuła S., Szostek K. 2020. Terrestrial diet in prehistoric human groups from southern Poland based on human, faunal and botanical stable isotope evidence. Journal of Archaeological Science: Reports 32: 102382. DOI

Mueller-Bieniek A., Pyzel J., Kapcia M. 2020. Chenopodium seeds in open-air archaeological sites – How to not throw the baby out with the bathwater. Environmental Archaeology 25: 69–81. DOI

Nobis M., Marciniuk J., Marciniuk P., Wolanin M., Király G., Nowak A., Paszko B., Klichowska E., Moreno-Moral G., Piwowarczyk R., Sánchez-Pedraja Ó., Wróbel A., Egorova I.N., Eliaš P.Jr., Krivenko D.A., Kuzmin I.V., Lazkov G.A., Mei G., Nobis A., Olonova M.V., Soreng R.J., Stinca A., Vasjukov V.M., Vershinin N.A. 2020. Contribution to the flora of Asian and European countries: new national and regional vascular plant records, 9. Turkish Journal of Botany 44: 455–480. DOI

Ochyra R., Plášek V. 2020. The sinking of another endemic in the moss flora of Tristan da Cunha and its phytogeographical consequences. Acta Societatis Botanicorum Poloniae 89: 8936. DOI

Ochyra R., van Rooy J., Bryan V.S. 2020. Ephemerum homomallum (Pottiaceae) and Torrentaria aquatica (Brachytheciaceae), two more American moss species new to Africa. Acta Societatis Botanicorum Poloniae 89: 8938. DOI

Owczarek-Kościelniak M., Krzewicka B., Piątek J., Kołodziejczyk Ł.M., Kapusta P. 2020. Is there a link between the biological colonization of the gravestone and its deterioration? International Biodeterioration & Biodegradation 148: 104879. DOI

Paszko B., Nikel A., Mueller-Bieniek A., Paul W. 2020. Zapałowicz's Conspectus florae Galiciae criticus: Clarification of publication dates for nomenclatural purposes and bibliographic notes. PhytoKeys 155: 53–85. DOI

Paszko B., Paul W., Nikel A., Musiał L. 2020. Typification, a new synonym and new distribution data in Ficaria (Ranunculaceae). Phytotaxa 432: 144–154. DOI

Paul W., Paszko B. 2020. (040) How to deal with imprecise dates – proposal to add a new rule to Article 31. Taxon 69: 1386–1387. DOI

Peters R.L., von Arx G., Nievergelt D., Ibrom A., Stillhard J., Trotsiuk V., Mazurkiewicz A., Babst F. 2020. Axial changes in wood functional traits have limited net effects on stem biomass increment in European beech (Fagus sylvatica). Tree Physiology 40: 498–510. DOI

Piątek J., Lenarczyk J., Piątek M. 2020. Assessing morphological congruence in Dinobryon species and their stomatocysts, including a newly established Dinobryon pediforme–stomatocyst connection. Scientific Reports 10: 9779. DOI

Piątek M., Rodriguez-Flakus P., Domic A., Palabral-Aquilera A.N., Gómez M.I., Flakus A. 2020. Phylogenetic placement of Leptosphaeria polylepidis, a pathogen of Andean endemic Polylepis tarapacana, and its newly discovered mycoparasite Sajamaea mycophila gen. et sp. nov. Mycological Progress 19: 1–14. DOI

Piechnik Ł., Kurek P., Ledwoń M., Holeksa J. 2020. Both natural and anthropogenic microhabitats and fine-scale habitat features of managed forest can affect the abundance of the Eurasian Wren. Forest Ecology and Management 456: 117695. DOI