Western Hairy Rockcress

Arabis pycnocarpa (Arabis hirsuta var. pycnocarpa

General Status Rank: 
Secure
ELCODE: 
PDBRA060U0
Common Name: 
Western Hairy Rockcress
Scientific Name: 
Arabis pycnocarpa (Arabis hirsuta var. pycnocarpa
Synonyms: 
Arabis hirsuta var. pycnocarpa
Naming References: 
B003
W018
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Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Dicotyledoneae
Order: 
Brassicales (Capparales)
Family: 
Brassicaceae
References: 
B036
General Biology

Longevity

short-lived perennial
References: 
B003
Habitat
moist sandy lake shores or rocky ledges
References: 
B003
Distribution

Ecozones

Taiga Plains, Taiga Shield, Boreal Cordillera, Boreal Plains
References: 
B003

Distribution

0.24
Score: 
G
References: 
B003

Number of Occurrences

18 (B003); DAO-32; CAN-5 Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists (H152).
Score: 
C
References: 
B003
H152

Area of Occupancy

Score: 
-
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
Regional distribution with medium number of occurrences and present in several ecozones (H152).Arabis hirsuta is European, replaced with A. pycnocarpa in North America (syn A. hirsuta var. pycnocarpa)
S Rank: 
S4
Decision Process Description: 
Drafted as secure by E. Haber in 2004 (H152).; Reviewed in 2010, no change.; Reviewed in 2015 by Marilyn Anions; no change
Last Updated: 
July 23, 2015

References

Ecozones

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Habitat

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Longevity

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Naming

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • NatureServe: An online encyclopedia of life [web application]. (2001) Version 1.4 . Arlington, Virginia, USA: Association for Biodiversity Information.. Available: http://www.natureserve.org/. (Accessed: June 29, 2001 - W018 Return

NWT Known Subspecies

Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Number of Occurrences

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • Erich Haber (2004) Personal Communication- email to S. Carriere on 9/16/2004 with dicot 2.. email archive (printed version in GSR binders) - H152 Return

Range Extent

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Taxonomy

  • McJannet CL, Argus GW and Cody WJ (1995) Rare Vascular Plants in the Northwest Territories. Canadian Museum of Nature Syllogeus 73:1-104. RWED Library Call #QK86.C3M3 - B036 Return