Big Map Lichen
Rhizocarpon grande (Flörke ex Flot.) Arnold
Also called: Boreal Single-spored Map Lichen, Big map
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
| Month | Records |
|---|---|
| January | 4 |
| February | 3 |
| March | 11 |
| April | 36 |
| May | 45 |
| June | 102 |
| July | 209 |
| August | 153 |
| September | 66 |
| October | 39 |
| November | 12 |
| December | 8 |
Where it is found
States and provinces with the most records. Check the foraging rules for the place you plan to visit.
- Minnesota 89 records · Foraging rules
- Ontario 62 records · Foraging rules
- British Columbia 44 records · Foraging rules
- Michigan 39 records · Foraging rules
- California 32 records · Foraging rules
- Quebec 31 records · Foraging rules
- Virginia 30 records · Foraging rules
- Pennsylvania 30 records · Foraging rules
- Massachusetts 27 records · Foraging rules
- Washington 25 records · Foraging rules
- Maine 25 records · Foraging rules
- Alaska 24 records · Foraging rules
- North Carolina 22 records · Foraging rules
- Northwest Territories 21 records · Foraging rules
- New York 21 records · Foraging rules
Show 25 more
- Manitoba18 records
- Tennessee17 records
- Montana15 records
- Yukon14 records
- Wyoming14 records
- Alberta14 records
- Nunavut12 records
- South Dakota11 records
- Newfoundland and Labrador10 records
- Vermont10 records
- Connecticut10 records
- Wisconsin8 records
- Oregon8 records
- Missouri8 records
- West Virginia7 records
- Idaho7 records
- New Jersey7 records
- Colorado4 records
- New Hampshire4 records
- New Brunswick3 records
- Alabama2 records
- Georgia2 records
- Oklahoma2 records
- Iowa1 records
- Arizona1 records
More in the genus Rhizocarpon
-
Yellow Map Lichen
Rhizocarpon geographicum
Edibility unknown — do not eat - No photo yet
Single-spored Map Lichen
Rhizocarpon disporum
Edibility unknown — do not eat - No photo yet
Rhizocarpon reductum
Edibility unknown — do not eat - No photo yet
Rock-loving Map Lichen
Rhizocarpon petraeum
Edibility unknown — do not eat - No photo yet
Rhizocarpon rubescens
Edibility unknown — do not eat - No photo yet
Rhizocarpon infernulum
Edibility unknown — do not eat - No photo yet
Twin Map Lichen
Rhizocarpon geminatum
Edibility unknown — do not eat - No photo yet
Hochstetter's map lichen
Rhizocarpon hochstetteri
Edibility unknown — do not eat
Never eat a wild mushroom based on this site or any app. See safety basics and the disclaimer.