The mustard yellow polypore (Phellinus gilvus) is a very cork-like mushroom commonly found popping up from logs and trees. This mushroom grows year-round in most areas. The caps are burnt amber in color around the edge and mature into rings, which darken to an almost black color closer to the mushroom's connection to the tree or log. The mustard yellow polypore is not an edible mushroom.
Cap Diameter:
10 - 20 cm
In This Article
Attributes
Similar Species
Tips for Finding
Clean and Preserve
Common Questions
General Info About Mustard yellow polypore
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Attributes of Mustard yellow polypore
Cap Diameter
10 - 20 cm
Cap
Cap 15 cm across; semicircular, kidney-shaped; yellowish, brown; margin velvety
Cap Shape
Convex
Cap Surfaces
Velvety, Fibrillose-scaly
Flesh
Tough; bright yellowish brown to orange-brown
Spore Print Color
White
Body Color
Brown
Black
Yellow
Red
Flesh Bruises
The flesh or milk does not discolor when bruised or cut.
Growth Form
Solitary, Clustered, Gregarious
Nutrient Gathering
Saprophytic, Parasitic
Substrate
Dead Woods, Wood of Living Trees
You can find Mustard yellow polypore by these plants:
The mustard yellow polypore is a widely distributed mushroom of deciduous forests. It grows on deadwood and rarely a living tree, and most often, it is found growing on oak and tanbark-oak (Notholithocarpus densiflorus).
Scientific Classification of Mustard yellow polypore