V-fingers lichen

Allocetraria madreporiformis

General Status Rank: 
Secure
Common Name: 
V-fingers lichen
Scientific Name: 
Allocetraria madreporiformis
Synonyms: 
Dactylina madreporiformis
Naming References: 
B121
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Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Lecanorales
Family: 
Parmeliaceae
References: 
B121
Habitat
On calcareous soil in arctic or alpine sites. Specimen from Cape Bathurst on turfy rise above shoreline, occurring with Elymus violaceus and Salix arctica.
References: 
B121
Distribution

Ecozones

Northern Arctic, Southern Arctic
References: 
B121

Distribution

35% (of the NWT); 0.05 in B010 as Dactylina madreporiformis.
Score: 
Categ
References: 
B010
B121

Number of Occurrences

4 as Dactylina madreporiformis: +2 on Banks Island (B0101, A136); CNAL: Scotter 30265, 24 July 1979, Princess Royal Island, 72deg 46'N 118deg 05'W, 40: 7, (R196); Thomson 1984 maps; 4 (R196); Thomson & Scotter 1983: 1, (R196). One on Cape Bathurst from August 12, 2022. Species abundance at site common.
Score: 
AC (1
References: 
B010
A136
R196

Area of Occupancy

Specimen from Cape Bathurst collected August 12, 2022 was ~3.8 km northwest of Mamen Lake on coast of small bay.
Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
Inventory needed
S Rank: 
S3S4
Decision Process Description: 
Goward and Bjork suggested as 2 but National GS (Marsh) ranked as 4 (2010); Reviewed in 2015, no change.
Last Updated: 
February 7, 2024

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

Number of Occurrences

  • Thomson JW (1984) American Arctic Lichens. Columnia University Press RWED Library Call #QK597.T5 - B010 Return
  • Gould, W.A. (1994) Macrolichens of the Coppermine, Hood, and Thomsen Rivers, Northwest Territories, Canada. The Bryologist 97(1):42-46 copy in binder - A136 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 Unpublished report to the GNWT 15 pp plus app.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
  • Brodo, I. M., Sharnoff, S. D, and Sharnoff, S. (2001) Lichens of North America. Yale University RWED Library - B121 Return

Taxonomy

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