Cottonwood Leaf Rust

Melampsora occidentalis H.S.Jacks.

Edibility

Edibility unknown — do not eat

Never eat a wild mushroom based on this site or any app.

Lookalikes

No lookalikes are recorded for this species yet. That does not mean there are none. Many mushrooms look alike, so never rely on appearance alone.

Season

When this species has been recorded, by month, from open-licensed US and Canada observations. It shows when people report it, not a guarantee it is fruiting.

The highlighted bar is the current month.

View season data as a table

Recorded observations of Cottonwood Leaf Rust by month
Month	Records
January	5
February	2
March	3
April	4
May	17
June	11
July	22
August	211
September	260
October	107
November	28
December	12

Where it is found

States and provinces with the most records. Check the foraging rules for the place you plan to visit.

Washington 158 records · Foraging rules
California 103 records · Foraging rules
Montana 99 records · Foraging rules
British Columbia 98 records · Foraging rules
Oregon 49 records · Foraging rules
Idaho 41 records · Foraging rules
Colorado 22 records · Foraging rules
Alberta 17 records · Foraging rules
Wyoming 17 records · Foraging rules
Saskatchewan 3 records · Foraging rules
District of Columbia 2 records · Foraging rules
Wisconsin 2 records · Foraging rules
Arizona 1 records · Foraging rules
Indiana 1 records · Foraging rules
Kansas 1 records · Foraging rules

Show 6 more

Louisiana1 records
Nevada1 records
New York1 records
North Carolina1 records
Ontario1 records
Rhode Island1 records

All state and province foraging laws

More in the genus Melampsora

Never eat a wild mushroom based on this site or any app. See safety basics and the disclaimer.