Phellinus ferruginosus
From Pestinfo-Wiki

Phellinus ferruginosus on trunk of Carpinus betulus (click on image to enlarge it)
Author(s): Andrej Kunca, National Forest Centre - Slovakia
Source: IPM Images
Author(s): Andrej Kunca, National Forest Centre - Slovakia
Source: IPM Images

Phellinus ferruginosus on elm trunk (click on image to enlarge it)
Author(s): Andrej Kunca, National Forest Centre - Slovakia
Source: IPM Images
Author(s): Andrej Kunca, National Forest Centre - Slovakia
Source: IPM Images
Phellinus ferruginosus (Schrad.) Pat. (1900)
Publications covering Phellinus ferruginosus
Plant Disease (2006) 90, p. 1462 (Gonzalez et al.)
V. González, J.J. Tuset and R. Hinarejos (2006)
First report of Phellinus ferruginosus causing laminar root rot on Juniperus communis in Spain