Lilliput Ink Lichen

Placynthium asperellum (Placynthium aspratile)

General Status Rank: 
Sensitive
Common Name: 
Lilliput Ink Lichen
Scientific Name: 
Placynthium asperellum (Placynthium aspratile)
Synonyms: 
Placynthium aspratile
Naming References: 
B010
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Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Peltigerales
Family: 
Placynthiaceae
References: 
B013
Habitat
common on both calcareous and acidic rocks
References: 
B010
Distribution

Ecozones

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

Distribution

0.360
Score: 
G
References: 
B010

Number of Occurrences

5 (B010); PMAE: J.W. Thomson 12038, 9-16 July 1962, Great Slave Lake, on rock on exposed point near portage from G Slave Lake, vicinity of Fort Reliance, 62deg 45'N 106deg 36'W'; label only: C.D. Bird 36082, 3 August 1978, Mackenzie Mountains, Tawu range, tributary of Arctic Red River, 65deg 22'N 130deg 45'W, elev 1000 m, SW facing slope, on shaly sandstone: 2 (R196); Thomson, Scotter & Ahti, 1969 (Great Slave Lake study): 1 (R196); Localities given in Ahti et al. 1973 (Lichens of the Reindeer Preserve, Northwest Territories, Canada, The Bryologist 76: 48-76): 2 (R196); Thomson 1984 maps: 8 (R196); Thomson & Scotter 1983: 1 (R196)
Score: 
AC
References: 
B010

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Sensitive
Status Rank Description: 
Inventory needed
S Rank: 
S2S4
Decision Process Description: 
Marsh GS ranks at 3, Goward (R196) suggests 2 (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

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