Common Ink Lichen

Placynthium nigrum

General Status Rank: 
Undetermined
Common Name: 
Common Ink Lichen
Scientific Name: 
Placynthium nigrum
Naming References: 
B010
Google image search
Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Peltigerales
Family: 
Placynthiaceae
References: 
B013
Habitat
on dry calcareous rocks, but can occur on other rocks in moist areas, on limestone, frequently old concrete
References: 
B010
B121
Distribution

Ecozones

Arctic Cordillera, Northern Arctic, Taiga Cordillera, Taiga Plains
References: 
B010

Distribution

0.08
Score: 
F
References: 
B010

Number of Occurrences

4 (B010); CANL: Numerous specimens (R196); Localities given in Ahti et al. 1973 (Lichens of the Reindeer Preserve, Northwest Territories, Canada, The Bryologist 76: 48-76): 3 (R196); Thomson 1984 maps: 4 (R196)
References: 
B010

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
-
S Rank: 
SU
Decision Process Description: 
Marsh GS ranks at 5, Goward (R196) suggests 4 (2010); Reviewed by Janet Marsh in 2015, no change
Last Updated: 
March 13, 2015

References

Ecozones

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return

Habitat

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return
  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return

Naming

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return

Number of Occurrences

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return

Range Extent

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return

Taxonomy

  • Hale ME (1979) How to Know the Lichens. Wm. C. Brown Company Publishers 2nd Edition RWED Library Call #QK583.H3 - B013 Return