A distinctive black-scaled bolete.

§ Quick facts

SizeCap 5–15 cm; stem 5–15 cm tall
Weight100–500 g
LifespanFruiting body 1–2 weeks; mycelium persists for years
OrderBoletales
FamilyBoletaceae

§ Encyclopedia

Strobilomyces strobilaceus, also called Strobilomyces floccopus and commonly known as old man of the woods, is a species of fungus in the family Boletaceae.

Source: Wikipedia — Strobilomyces strobilaceus Licensed under CC BY-SA 4.0

§ Identification

Field marks. Cap covered in dark gray-to-black raised scales over a pale background; pale stem with similar dark scales; gray spongy pore surface beneath cap.

Similar species. Strobilomyces confusus (very similar; range overlap; close relative). Other boletes lack the prominent dark scales.

Voice. N/A

§ Diet & behavior

Diet. Mycorrhizal — forms exchange relationships with oak and conifer roots.

Behavior. Distinctive black-scaled bolete of eastern North American forests. Among the most easily identified mushrooms in North America — the dramatic appearance is essentially impossible to confuse with anything else. Edible but with mild flavor; flesh stains pinkish then nearly black when cut. Cap scales are residual veil tissue that gives the species its characteristic shaggy appearance.

§ Range

Eastern North America

§ Habitat

Mature forests

§ Threats

Forest loss.

§ Conservation status

According to the IUCN Red List, the old man of the woods is currently classified as Least Concern.

§ What helps

Support mature forest conservation.

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§ Further reading

§ Sources cited

  • North American Mycological Association
  • Mycological Society of America
  • Northeast Mycological Federation