Drooping Hump Moss

Plagiobryum demissum

General Status Rank: 
May Be At Risk
Common Name: 
Drooping Hump Moss
Scientific Name: 
Plagiobryum demissum
Naming References: 
B015
W049
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Taxonomy
Group: 
Bryophyte (Moss)
Kingdom: 
Plantae
Phylum: 
Bryophyta
Class: 
Bryopsida
Order: 
Bryales
Family: 
Bryaceae
References: 
B015
Habitat
On moist calcareous soil in open tundra steep slopes or in frost boils, more rarely in rock crevices (B175)
References: 
B175
Distribution

Distribution

range 34225-114083 sq km (based on range maps R. Belland)
Score: 
F
References: 
H291

Number of Occurrences

2 (W046 (DD7))Mackenzie Mountains: Ram Plateau, ENE of 4553 ft. peak 61°44'N 123°53'W Canoe Lake, Ridge W of Canoe Lake, W facing 68 13'N 135 55'W 2 (H291),
Score: 
A
References: 
W047
DD7
H291

Area of Occupancy

Score: 
-
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
May Be At Risk
Status Rank Description: 
small number of occurrences, small range, may be dispersal limited
Decision Process Description: 
Reviewed and status updated in 2010 (R199, J. Beland, U of A.).;Reviewed in 2014, no change (H291:R Belland)
Last Updated: 
August 7, 2014

References

Habitat

  • Larson,D.J. (1997) Dystiscid Water Beetles (Coleoptera: Dytiscidae) of the Yukon. in Insects of the Yukon. Biological Survey of Canada (Terrestrial arthropods).1034pp. 491-522 - B175 Return

Naming

  • Ireland RR, Bird CD, Brassard GR, Schofield WB, Vitt DH (Editors) (1980) Checklist of the Mosses of Canada. National Museums of Canada RWED Library Call #QK541.6.C5 - B015 Return
  • Goffinet, B., R. Buck and J. Shaw (2010) Goffinet Lab: Moss Classification. Goffinet Lab http://www.eeb.uconn.edu/people/goffinet/Classificationmosses.html - W049 Return

Number of Occurrences

  • W.B. Schofield (2010) BC/UofA devonian Plant Herbarium. http://www.devonian2.ualberta.ca/bryosearch.cfm - W047 Return
  • Belland, Rene (2011) Mosses Voucher Rene Balland Nov 2011 Ranks. copy in ENR office - DD7 Return
  • Belland, René (2014) Moss and lichens or moths - E-mail from R Hebert to S Carriere containing Excel file NT-Bryophytes with R Belland draft ranks (16/07/2014). e-copy - H291 Return

Range Extent

  • Belland, René (2014) Moss and lichens or moths - E-mail from R Hebert to S Carriere containing Excel file NT-Bryophytes with R Belland draft ranks (16/07/2014). e-copy - H291 Return

Taxonomy

  • Ireland RR, Bird CD, Brassard GR, Schofield WB, Vitt DH (Editors) (1980) Checklist of the Mosses of Canada. National Museums of Canada RWED Library Call #QK541.6.C5 - B015 Return