Scientific name: Fuscoporia gilva (Schwein.) T. Wagner
& M. Fisch.
Derivation of name: Phellinus means "made of cork" or
"corky"; gilva means "pale yellow."
Synonymy: Phellinus gilvus (Schwein.) Pat.;
Polyporus gilvus (Schw.) Fr.
Common names: Mustard yellow polypore.
Phylum: Basidiomycota
Order: Hymenochaetales
Family: Hymenochaetaceae
Occurrence on wood substrate: Saprobic; solitary or in
overlapping clusters or rows on dead deciduous wood;
sometimes on conifer wood; year-round.
Dimensions: Caps up to 15 cm wide and 2.5 cm thick.
Upper surface: Ochre to bright rust yellow or reddish brown
at first, darker (blackish) with age; margin often yellowish;
velvety and rough at first, becoming smoother in age; zonate
or not.
Pore surface: Grayish-brown to reddish or purplish-brown;
pores 6-8 per mm.
Edibility: Inedible.
Comments: Fuscoporia gilva is often an annual species
but may survive for several years under good conditions.
More information at MushroomExpert.com
![](../images/Ph%20%20gilvus%20%20LG.jpg)
Figure 1. Brownish cap and yellow margin of this
specimen of Fuscoporia gilva. Photo © Larry Grand.
|
![](../images/Ph%20gilvus%20NEMF%202005.jpg)
Figure 2. The cap coloration is more uniform on these older
specimens. The dark pore
surface of the specimen on the
right is typical
of the species. Photo © Gary Emberger.
|