Largest fungus colony
The current largest fungus colony record is 3 sq mi, held by Honey fungus (Armillaria ostoyae). Last checked October 14, 2026.
3
sq mi
Honey fungus (Armillaria ostoyae)
- Holder
- Honey fungus (Armillaria ostoyae)
- Record
- 3 sq mi
- Metric
- 9 km²
- Exact figure
- About 9 km2 (3.5 sq mi)
- Location
- Malheur National Forest, Oregon, USA
- Last checked
- October 14, 2026
Sources
- Wikipedia Read the source
- guinnessworldrecords.com Largest fungi
- usda.gov Fungus among us author names oregons humongous fungus one grossest places earth
- the-independent.com Oregon s monster mushroom is world s biggest living thing
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