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Polyporus arcularius

Spring polypore

Description

The pileus is 1–5 cm wide, round, low-arched and shallow dented, finely fibrously scaly, bare when old, yellowish-brown to ochre brown, usually darker on the vertex. The tubes shortly converge and they are creamy, the pores are relatively large, elongated and shredded when mature. The stem is 1.5–4.0 cm long, central, finely scaly, brownish. The mycelium causes homogenous white rot of dead trees.

Symptom

Presence of fruiting bodies with brown to brown-ocher cap, depth slightly scaly.

Tree Species: Oak

Part of a plant- attacked: Branch

Pest significance: Less harmful

Pest Category: Fungi

Invasive Species: No

Present in EU: Yes