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Elm Mushroom

MODERATE

Hypsizygus ulmarius

Overview

Elm Mushroom observed in the wild. Research-grade iNaturalist observation.

Type
Fungus
Severity
MODERATE
Source
iNaturalist

Symptoms

Geographic Spread

Treatments

Fungicide Application

Chemical TreatmentEffectiveness: HIGH

Apply systemic or contact fungicide at the first sign of infection. Repeat applications may be needed during wet weather. Follow label rates and timing.

Sanitation and Pruning

Cultural PracticeEffectiveness: MODERATE

Remove and destroy all infected leaves, branches, and fallen debris. Improve air circulation by thinning dense canopy growth. Sterilize pruning tools.

Soil and Moisture Management

Cultural PracticeEffectiveness: MODERATE

Ensure proper drainage, avoid overwatering, and apply mulch to reduce soil splash. Many fungal pathogens thrive in persistently wet conditions.

Recommended Products & Tools

Helpful supplies for managing Elm Mushroom. Always read and follow label directions, and confirm a diagnosis before treating.

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Frequently Asked Questions

What is Elm Mushroom?

Elm Mushroom observed in the wild. Research-grade iNaturalist observation.

What are the symptoms of Elm Mushroom?

Where is Elm Mushroom currently found?

Elm Mushroom is currently active in Illinois, Michigan, Minnesota, New Jersey. It has been reported in 4 total states across the United States.

How do I treat Elm Mushroom?

Treatment options for Elm Mushroom include: Fungicide Application, Sanitation and Pruning, Soil and Moisture Management. Treatment approaches may include chemical, biological, cultural, and mechanical methods depending on the severity and context.

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