Source-reviewed species profile
Eastern annosus root rot Heterobasidion irregulare
Irregular white-margined bracket near ground level with a brown cap and pale pore surface. This profile covers broad field features, season and habitat for learning.
Where can I find eastern annosus root rot?
On roots, stumps and lower trunks of pines and other conifers.
In Mycoverse you can select Eastern annosus root rot and compare candidate search areas using a species-specific assessment of rainfall, estimated soil moisture, temperature, forest type, tree signals, canopy cover, terrain and season. Where source coverage is available, the assessment also uses historical species observations. Historical observations are historical data, not recent finds.
Images, text and app suggestions cannot confirm a species or food safety.
Field features
- Irregular white-margined bracket near ground level with a brown cap and pale pore surface.
Habitat and search guidance
On roots, stumps and lower trunks of pines and other conifers.
Months
January–December
Safety status
Not presented as food. Never use the app to decide whether a mushroom is safe to eat. Not presented as a food mushroom. This profile supports learning and safer boundaries; it does not approve a finding.
Sources and review status
- USDA Forest Service – Field Guide to Common Macrofungi in Eastern Forests
- USDA Forest Service – North American Fungi Protochecklist
- GBIF Backbone Taxonomy
Last reviewed: 4 October 2026.