Tundra Sulphur Lichen

Gyalolechia bracteata

General Status Rank: 
Undetermined
Common Name: 
Tundra Sulphur Lichen
Scientific Name: 
Gyalolechia bracteata
Synonyms: 
Fulgensia bracteata
Naming References: 
B121
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Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Teloschistales
Family: 
Teloschistaceae
Habitat
On calcareous soil in tundra or exposed dry sites. Specimen collected on Cape Bathurst by P. Sokoloff occurred on turfy frost boils and was associated with Deschampsia cespitosa, Primula borealis, and Salix arctica.
References: 
B121
Distribution

Ecozones

Northern Arctic, Southern Arctic
References: 
B121

Distribution

25% (of the NWT).
Score: 
Categ
References: 
B121

Number of Occurrences

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): 3 (R196); Thomson & Scotter 1995: 1 (R196). Additional collection on Cape Bathurst on August 12, 2022 by P. Sokoloff (Barcode CANL 10027390, collection 1595) ~1.1 km northwest of Mamen Lake. Abundance at site was scattered.
Score: 
AC (1
References: 
R196

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Not enough sampling effort. Thomson, John W. American Arctic Lichens: Vol. 2. The Microlichens. University of Wisconsin Press, 1997; Brodo, Irwin M., Sylvia Duran Sharnoff, and Stephen Sharnoff. Lichens of North America. Yale University Press, 2001; Brodo, Irwin M. Keys to Lichens of North America. Yale University Press, 2016.
S Rank: 
SU
Decision Process Description: 
Goward and Bjork (2010, R196) suggested 3, Marsh GS (2010) national rankings place at 4. Reviewed in 2015; modified from secure to not assessed (micro-lichen). Reviewed in 2017, draft rank by Chris Deduke (ECCC Ottawa contract), reviewed and updated by S. Carriere (July 2019).
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

  • 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

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