Driftless Prairies: Native Habitat Restoration

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Stereum complicatum – Crowded Parchment

In season July – January and will overwinter; found on dead stumps, especially oaks. The most common species of this genus.

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Stereum complicatum is in the order Basidiomycota and division of Hymenomycetes (Bracket or Shelf Fungi). These are sometimes called polypores because the spores are produced inside tubes that line the underside of the fruit body, which look like gills but are called pores. Bracket fungi do not have stems and tend to grow in half-circle configurations with tough, leathery fruiting bodies. Some bracket fungi are parasitic on living trees but mostly they provide the ecological service of decomposing dead and rotting wood.