Back to Species Index
Fungi
Blackthread Lichen
Placynthium nigrum
Authorship: (Hudson) Gray
Notes
Its substrate is limestone.
Sources
[Worthington 31907]
Taxonomic Classification
KingdomFungi
PhylumAscomycota
ClassLECANOROMYCETES
OrderPELTIGERALES
FamilyPLACYNTHIACEAE
GenusPlacynthium
Speciesnigrum
Conservation assessments from the following sources:
- NatureServe Explorer
- IUCN Red List
- Texas Parks & Wildlife — Species of Greatest Conservation Need (SGCN)
| IUCN Red List | Not assessed |
|---|---|
| NatureServe Global (opens in new tab) | G5Secure |
| NatureServe (Texas) (opens in new tab) | Not assessed |
| Texas SGCN | Not assessed |