Phylloporia ribis (Schumach.) Ryvarden 1978

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk of Euonymus europaeus
Other: major host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk (base) of Ribes rubrum
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk (base) of Ribes uva-crispa
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk of Alnus
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk of Carpinus betulus
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk of Crataegus
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk of Prunus
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk of Sambucus nigra
Other: unusual host/prey

Foodplant / parasite
fruitbody of Phylloporia ribis parasitises live trunk (base) of Ribes
Other: minor host/prey

Pyropolyporus langloisii Murrill, Bull. Torrey
Club 30: lit. 1903.
A large thin expanded fungus with brown nymenium and a brown or blackish surface. Pileus corky, fan-shaped, attached by a narrow base, often depressed behind, 8-13 X 10-25X0.3-1.5 cm.; surface at first anoderm, soft, clothed with brown tomentum, many times concentrically sulcate, ^t length glabrous, rough, indurate, black, marked with numerous shallow furrows; margin velvety, brown, thin, acute, undulate or slightly lobed: context soft to corky, indurate in age, deep-brown, 0.2-0.3 cm. thick; tubes reviving, distinctly stratified,, 0.2-0.5 cm. long each season, 8-9 to a mm., brown, mouths polygonal, concolorous, edges thin at maturity: spores globose, smooth, hyaline, 3//; cystidia none.
Type locality : Louisiana.
Habitat : Base of the trunk of dead or dying hawthorn trees.
Distribution : Louisiana.

Pyropolyporus ribis (Schum.) Murrill, Bull. Torrey
Club 30: 118. 1903.
Boletus Ribis Schum. Knura. PI. Saell. 2 : 336. 1803. Polyporus ribesius Pers. Myc. Kur. 2 : 80. 1825.
Pileus tough, corky, becoming rigid, conchate, laterally. connate, 3-5X5-10X0.7-1.5 cm.; surface rough, velvety, anoderm, indistinctly zoned, ferruginous to umbrinous, becomiug glabrous and slightly encrusted with age; margin undulate to lobed, ferruginous, furrowed : context punky, fulvous, 3-5 mm. thick ; tubes indistinctly stratified, 1-2 mm. long each season, fulvous, mouths circular, 5-6 to a mm., edges rather thin, entire, ferruginous to fulvous, hoary when young : spores globose or subglobose, pale yellowish-brown, smooth, 3^ X3/^ ; hyphae 2.5/^ ; cystidia none.
Type locality: Island of Zealand, Denmark.
Habitat : Living stems of red currant and other species of Ribes ; occasionally on stems of adjacent shrubs, such as Symphoricarpos, when growing near a number of infected plants of one of the ordinary hosts.
Distribution : New York, New Jersey, and Kansas ; more widely distributed and more abundant in Europe.