Pirttilä, A.M.; Frank, A.C. (Ed.) (2018). Endophytes of forest trees. 2nd Edition. Springer International Publishing: Switzerland. ISBN 978-3-319-89832-2. X, 462 pp. https://dx.doi.org/10.1007/978-3-319-89833-9
Likar, M. (2018). Dark septate endophytes and mycorrhizal fungi of trees affected by metal pollution, in: Pirttilä, A.M. et al.Endophytes of forest trees. pp. 119-137. https://dx.doi.org/10.1007/978-3-319-89833-9_6, more