True icelandic lichen

Cetraria islandica

General Status Rank: 
Secure
Common Name: 
True icelandic lichen
Scientific Name: 
Cetraria islandica
Naming References: 
B010
B121
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Taxonomy
Group: 
Lichen
Kingdom: 
Fungi
Phylum: 
Ascomycota
Class: 
Lecanoromycetes
Order: 
Lecanorales
Family: 
Parmeliaceae
References: 
B013
Habitat
on moist or dry tundras among mosses or in the open, occasionally on old wood or twigs of spruce. Widespread in boreal to arctic heath, on forest floor, especially in pine stands
References: 
B010
B121
Distribution

Ecozones

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

Distribution

0.80379746835
Score: 
G
References: 
B010
B121

Number of Occurrences

28 +1 on Banks (B010, A136); ssp. Crispiformis: CANL: A.A. Lindsey 462, 27 July 1951, Great Bear Lake, Norrie Bay, next bay north of Hunter Bay, det. Kaernefelt; R. Sims 8617B, 31 July 1981, Site 81-107, 37km E of Tuktoyaktuk on the Tuktoyaktuk Peninsula, 69deg 30'50"N, 132deg 02'00"W, low shrub thicket with dense Salix spp, Betula cover on W-facing slope; A.H. Marsh 2185, 26 July 1972, Fort McPherson, near Satah River, 67deg 04'N 134deg 32'W, 250 feet elev., open stagnant Picea mariana, age 150, with scattered Larix laricina, Cladina 70%, Sphagnum mounds 30%, Alectoria dense on Picea mariana, det. Kaernefelt; A.H. Marsh 1055, 13 June 1972, Wrigley, McConnell Lake well site, 62deg 49'20"N 122deg 52'30"W, 1400 ft. elev., dense Picea mariana with scattered Populus balsamifera and Betula papyrifera, ground cover 50% lichens, 50% feather mosses, det. Kaernefelt; W.J. Cody, 16756, 27 July 1967, Mackenzie Mountains, 5 miles SE O'Grady Lake, 62deg 57'N 128deg 58'W, 5000-6000 ft. elev., det. Kaernefelt; Thomson 11040 and 11068, 9-16 July 1962, Great Slave Lake, temporary pool, top of ridge, E side of lake, vicinity of Fort Reliance, 62deg 45'N 106deg 35'W, both det. Kaernefelt; Thomson 11046, 9-16 July 1962, Great Slave Lake, ridge W. of bay, SE. of Reliance, det. Kaernefelt; Thomson 15646, 19 June 1964, Richardson Mountains, Canoe Lake, 68deg 12'N 135deg 54'W, in stand of bog birch, det. Kaernefelt; Scotter 2345, 21 July 1962, 120 year old black spruce stand, North Taltson Rive, 61deg 50'N 109deg 10'W, det. Kaernefelt; Scotter 2565, 15 August 1962, Thekulthili Lake, 61deg 12'N 110deg 00'W, black spruce stand, det. Kaernefelt: 10 (R196) ssp. Islandica: Thomson, Scotter & Ahti, 1969 (Great Slave Lake study): 7 (R196); Localities given in Ahti et al. 1973 (Lichens of the Reindeer Preserve, Northwest Territories, Canada, The Bryologist 76: 48-76): 3 (R196); Tomson 1984 maps: 30 (Ssensu lato) (R196)
Score: 
CE
References: 
B010
A136
R196

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
Specimens should be checked for species concept, but to be expected in the far SW
S Rank: 
S4S5
Decision Process Description: 
Marsh GS Rankings (2010); Reviewed by Janet Marsh in 2015, no change
Last Updated: 
March 10, 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

  • 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

NWT Known Subspecies

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

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

  • Hale ME (1979) How to Know the Lichens. Wm. C. Brown Company Publishers 2nd Edition RWED Library Call #QK583.H3 - B013 Return