Ignatenko, R. V., and V. N. Tarasova. “The Population Structure of the Lichen Lobaria Pulmonaria in the Middle Boreal Forests Depends on the Time-since-Disturbance”. Folia Cryptogamica Estonica, vol. 54, Aug. 2017, pp. 83-94, doi:10.12697/fce.2017.54.13.