Fauna
Fungus · GBIF taxon 2524693

Powdery Sulfur Bolete

Pulveroboletus ravenelii

Also known as Ravenel's Bolete

Ravenel's bolete stands out on the forest floor, initially encased in a bright sulfur-yellow powdery veil that coats both the cap and stem. As the fruiting body expands, this powdery coating breaks apart to leave a delicate ring on the upper stem and reveal a reddish-brown to orange cap surface underneath. Pressing the yellow pore layer on the underside triggers a rapid color change to dark blue-green, a classic reaction among many boletes.

Powdery VeilWoodland FungusBright Yellow
Powdery Sulfur Bolete reference1 / 7
Licensed reference(c) Alan Rockefeller, some rights reserved (CC BY), uploaded by Alan Rockefeller · cc-by
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & prey
  • Mycorrhizal
Predators
  • Slugs
  • Fungus gnats
  • Squirrels
ThreatsDeforestation, clear-cutting, and soil compaction
HabitatsMixed hardwood and conifer forests, especially near oaks and pines
Life spanFruiting bodies persist 1–2 weeks; underground mycelium lives for years
Classification
  1. OrderBoletales
  2. FamilyBoletaceae
  3. GenusPulveroboletus
  4. SpeciesPulveroboletus ravenelii
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 consume wild fungi based on app identification alone.
Responsible observation
  • Inspect the veil: Look for bright yellow powder coating the cap and stem of young specimens.
  • Check for bruising: Gently touch the pore surface to observe a rapid blue-green color change.
  • Examine nearby trees: Search the leaf litter around mature oaks and pines after heavy rain.
Related species
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