Concentric Boulder Lichen

Porpidia crustulata (Ach.) Hertel & Knoph

Also called: crust porpidia 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 Concentric Boulder Lichen by month
MonthRecords
January12
February15
March34
April81
May94
June126
July230
August160
September127
October51
November26
December24

Where it is found

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

Show 32 more
  • Washington24 records
  • Maryland23 records
  • Virginia22 records
  • New Jersey21 records
  • Wyoming20 records
  • Vermont19 records
  • Nova Scotia17 records
  • Tennessee17 records
  • South Dakota15 records
  • Newfoundland and Labrador14 records
  • Connecticut11 records
  • Montana7 records
  • California5 records
  • Alaska5 records
  • Oregon5 records
  • Arizona4 records
  • Nunavut4 records
  • Colorado4 records
  • Kentucky3 records
  • Kansas3 records
  • Idaho3 records
  • Georgia3 records
  • District of Columbia3 records
  • Arkansas3 records
  • Yukon3 records
  • Alabama2 records
  • Alberta1 records
  • Northwest Territories1 records
  • Saskatchewan1 records
  • Prince Edward Island1 records
  • South Carolina1 records
  • Delaware1 records

All state and province foraging laws

More in the genus Porpidia

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