Blackthread Lichen
Placynthium nigrum (Huds.) Gray
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 | 19 |
| March | 32 |
| April | 55 |
| May | 63 |
| June | 112 |
| July | 183 |
| August | 131 |
| September | 75 |
| October | 58 |
| November | 20 |
| December | 18 |
Where it is found
States and provinces with the most records. Check the foraging rules for the place you plan to visit.
- Ontario 83 records · Foraging rules
- Michigan 59 records · Foraging rules
- Minnesota 55 records · Foraging rules
- Missouri 43 records · Foraging rules
- South Dakota 41 records · Foraging rules
- Alaska 38 records · Foraging rules
- British Columbia 34 records · Foraging rules
- Ohio 33 records · Foraging rules
- California 32 records · Foraging rules
- Kansas 31 records · Foraging rules
- New York 28 records · Foraging rules
- Iowa 21 records · Foraging rules
- Vermont 21 records · Foraging rules
- Pennsylvania 19 records · Foraging rules
- Quebec 19 records · Foraging rules
Show 36 more
- New Mexico16 records
- Illinois16 records
- North Dakota14 records
- New Jersey12 records
- Wisconsin12 records
- Arkansas12 records
- Maryland12 records
- North Carolina12 records
- West Virginia11 records
- Tennessee11 records
- Massachusetts11 records
- Northwest Territories10 records
- Texas9 records
- Montana9 records
- Newfoundland and Labrador9 records
- Connecticut8 records
- Nunavut7 records
- Oregon7 records
- Arizona7 records
- Maine7 records
- Alabama6 records
- Yukon6 records
- Colorado6 records
- Wyoming6 records
- Oklahoma5 records
- Indiana5 records
- Idaho5 records
- Virginia4 records
- Kentucky4 records
- Manitoba3 records
- Utah3 records
- Prince Edward Island1 records
- New Brunswick1 records
- Alberta1 records
- Washington1 records
- Georgia1 records
More in the genus Placynthium
- No photo yet
Lilliput Ink Lichen
Placynthium asperellum
Edibility unknown — do not eat - No photo yet
Peters' blackthread lichen
Placynthium petersii
Edibility unknown — do not eat - No photo yet
Scaly Ink Lichen
Placynthium flabellosum
Edibility unknown — do not eat - No photo yet
blackthread lichen
Placynthium stenophyllum
Edibility unknown — do not eat - No photo yet
blackthread lichen
Placynthium subradiatum
Edibility unknown — do not eat - No photo yet
Placynthium tantaleum
Edibility unknown — do not eat - No photo yet
Placynthium pannariellum
Edibility unknown — do not eat - No photo yet
Placynthium glaciale
Edibility unknown — do not eat
Never eat a wild mushroom based on this site or any app. See safety basics and the disclaimer.