Rock Foam

Stereocaulon saxatile H.Magn.

Also called: Rock Foam Lichen, Snow lichen

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 Rock Foam by month
Month	Records
January	2
February	4
March	6
April	46
May	69
June	176
July	284
August	216
September	166
October	69
November	17
December	6

Where it is found

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

Ontario 252 records · Foraging rules
Michigan 163 records · Foraging rules
Minnesota 147 records · Foraging rules
Quebec 111 records · Foraging rules
New Hampshire 87 records · Foraging rules
Maine 82 records · Foraging rules
Massachusetts 75 records · Foraging rules
New York 52 records · Foraging rules
Pennsylvania 22 records · Foraging rules
Wisconsin 16 records · Foraging rules
Connecticut 16 records · Foraging rules
Washington 13 records · Foraging rules
Alaska 13 records · Foraging rules
Newfoundland and Labrador 12 records · Foraging rules
Nova Scotia 8 records · Foraging rules

Show 14 more

Manitoba7 records
Virginia7 records
New Brunswick7 records
Yukon7 records
Vermont6 records
Northwest Territories6 records
New Jersey5 records
Alberta4 records
British Columbia4 records
Nunavut3 records
West Virginia2 records
Tennessee1 records
North Carolina1 records
Prince Edward Island1 records

All state and province foraging laws

More in the genus Stereocaulon

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