Fomitiporia robusta (P. Karst.) Fiasson & Niemelä 1984

In Great Britain and/or Ireland:
Foodplant / parasite
bracket of Phellinus robustus parasitises live trunk (base) of veteran of Quercus

Guidance for identification (German text)

Pyropolyporus texanus Murrill, sp. nov
Pileus woody, ungulate, broadly attached, plane below, 3X5X4 cm.; surface tomentose, smooth, melleous, becoming gray or black, glabrous and somewhat rimose behind ; margin very obtuse and rounded, melleous, tomentose, smooth : context woody, distinctly zonate, 2.5 cm. thick, melleous to dark-luteous with silky luster ; tubes evenly stratified, not separated by layers of context, 5 mm. long each season, concolorous, without luster, mouths circular, 4-5 to a mm., edges obtuse, entire, melleous to fulvous : spores globose, smooth, hyaline, 3-4 ;« ; hyphae brown, 6,u; cystidia none.
Type collected in Texas onjuniperus, 1900-1901, JV. H. Long Jr. 327. Distribution : Known only from the type locality.

Pyropolyporus haematoxyli Murrill, Bull. Torrey
Club 30: 117. 1903.
A smooth applanate plant of considerable size with brownish tubes and honey-yellow context. Pileus woody, dimidiate, sessile, thickest behind, 12X14X4 cm.; surface glabrous, dark-brown, shallowly concentrically sulcate, marked with numerous darker concentric lines ; margin fulvous, thin, rounded, slightly undulate : context corky to woody, indistinctly concentrically banded, honey-yellow, 1 cm. thick ; tubes distinctly stratified, longer behind, 0.5-1 cm. long each season, 6 to a mm., dull -brown, mouths polygonal, concolorous, edges obtuse, becoming thin : spores globose, rarely ovoid, thin-walled, smooth, hyaline, 3.5-5 fJ.; hyphae ferruginous ; cystidia none.
Type locality : Paradise, Jamaica. Habitat : Base of living logwood tree. Distribution : Known only from the type locality.