Polar Rocktripe Lichen

Umbilicaria polaris (Umbilicaria krascheninnikovii

General Status Rank: 
Undetermined
Common Name: 
Polar Rocktripe Lichen
Scientific Name: 
Umbilicaria polaris (Umbilicaria krascheninnikovii
Synonyms: 
Umbilicaria krascheninnikovii
Naming References: 
W014
B121
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Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Umbilicariales
Family: 
Umbilicariaceae
References: 
B013
Habitat
on acid rocks, exposed rocks in alpine sites
References: 
B010
B121
Distribution

Ecozones

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

Distribution

0.082
Score: 
F
References: 
B010

Number of Occurrences

2 (B010); PMAE: NU?: P Skydt 19, on boulder, fault plateau, east of Sabine Bay, 75deg 37'N 108deg 00'W, 5 August 1968: 1 (R196); CANL: No correctly identified specimens (R196); Thomson, Scotter & Ahti, 1969 (Great Slave Lake study): 3 (R196); Thomson 1984 maps: 2 (R196)
Score: 
A
References: 
B010
R196

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Inventory needed; No correctly identified specimens
S Rank: 
SU
Decision Process Description: 
Marsh GS ranks at 3, Goward (R196) suggests 2 (2010); Reviewed in 2015, modifed from sensitive to undetermined (error correction)
Last Updated: 
March 16, 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

  • Esslinger TL (1999) A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada.. North Dakota State University http://www.ndsu.nodak.edu/instruct/esslinge/chcklst/chcklst7.htm - W014 Return
  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return

Number of Occurrences

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return
  • Goward, T. and Bjork, C. (2010) Macrolichens of the Northwest Territories: current status and future research. Unpublished report to the GNWT 15 pp plus app. Printed in binder - R196 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