Frosted Rocktripe Lichen

Umbilicaria americana

General Status Rank: 
Undetermined
Common Name: 
Frosted Rocktripe Lichen
Scientific Name: 
Umbilicaria americana
Naming References: 
B121
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Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Umbilicariales
Family: 
Umbilicariaceae
Habitat
on granitic, steep rock faces, usually relatively protected or partially shaded sites
References: 
B121
Distribution

Ecozones

Taiga Plains, Boreal Plains
References: 
B121

Distribution

5% in se extreme of NT
Score: 
F
References: 
B121

Number of Occurrences

CANL: Scotter 1602, 8 July 1961, W. C. Desperation Lake, 62deg 35'N 112deg 15'W, rock wall; Scotter 1472, 17 June 1961, south end of Hearne Lake, 62deg 20'N 113deg 08'W; Scotter 2420, 26 July 1962, fourty-seven year old black spruce type stand, east Hjalmer Lake, 61deg 35'N 109deg 25'W: 3 (R196)

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Possibly misapplied
S Rank: 
SU
Decision Process Description: 
Marsh GS ranks at 5, Goward (R196) suggests 2 (2010); Reviewed by Janet Marsh in 2015, no change
Last Updated: 
March 16, 2015

References

Ecozones

  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return

Habitat

  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return

Naming

  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return

Range Extent

  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return