Fauna
Fungus · GBIF taxon 2526504

Golden Oyster Mushroom

Pleurotus citrinopileatus

Also known as Yellow Oyster Mushroom, Tamogitake

Golden oyster mushrooms form striking, dense clusters of bright yellow, funnel-shaped caps on decaying hardwood logs. Native to eastern Asia, this saprotrophic fungus breaks down lignin and cellulose, playing a vital role in forest nutrient cycling. It has expanded rapidly into non-native deciduous woods across North America, where abundant golden clusters frequently blanket fallen elm and ash trees throughout warm, humid months.

Bright YellowWood DecayerCluster Fungi
Golden Oyster Mushroom reference1 / 7
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Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & prey
  • Dead Hardwood
  • Lignin
  • Cellulose
Predators
  • Fungus Beetles
  • Fungus Gnat Larvae
  • Slugs
ThreatsHabitat loss in native range, though globally expanding and resilient
HabitatsDeciduous forests, woodlands, and shaded urban parks on decaying trees
Life spanFruiting bodies last 3–7 days; underlying fungal mycelium lives indefinitely
Classification
  1. OrderAgaricales
  2. FamilyPleurotaceae
  3. GenusPleurotus
  4. SpeciesPleurotus citrinopileatus
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Many wild mushrooms have toxic look-alikes; never eat wild fungi based on app identification alone.
Responsible observation
  • Look for Hardwood: Search standing dead trees or fallen logs of elm and ash during warm, humid weather.
  • Inspect Cap Color: Note the vibrant golden-yellow cap color, which fades to pale cream as the mushroom ages.
  • Observe the Gills: Look for bright white gills that run continuously down the length of the delicate stalk.
Related species
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