Abies concolor 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Pinopsida Pinales Pinaceae

Scientific Name: Abies concolor (Gord.) Lindl.ex Hildebr.
Common Name(s):
English White Fir, California White Fir, Colorado Fir, Low's Fir
Abies concolor (Gordon) Lindl. ex Hildebr. var. lowiana (Gordon) Lemmon
Abies lowiana (Gordon) A.Murray bis
Abies lowiana (Gordon) A.Murray bis var. viridula Debreczy & Rácz
Picea concolor Gordon
Taxonomic Source(s): Farjon, A. 2010. A Handbook of the World's Conifers. Koninklijke Brill, Leiden.
Taxonomic Notes: No infraspecific varieties are recognized for Abies concolor.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2011-03-03
Assessor(s): Farjon, A.
Reviewer(s): Thomas, P. & Stritch, L.
Abies concolor is an extremely widespread species that occurs in numerous locations throughout much of the mountainous western North America and, more scattered, into Mexico. Whilst undoubtedly logged in past and present, this has little impact on the total population. It is therefore assessed as Least Concern.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Recorded from the USA: from Oregon and Idaho through the Rocky Mountains and Californian mountains to Arizona; Mexico: Baja California Norte, Chihuahua, Sonora. The extent of occurrence and area of occupancy are well in excess of  the thresholds for a threatened listing.
Countries occurrence:
Mexico (Baja California, Chihuahua, Sonora); United States (Colorado, Idaho, Oregon, Wyoming)
Additional data:
Lower elevation limit (metres):600
Upper elevation limit (metres):3350
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The global population is thought to be stable.
Current Population Trend:Stable
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Abies concolor occurs in the Transition and Canadian Life Zones of high mountains, often restricted to north-facing slopes, at elevations between 600 to 3,000 m in the western part of its range, from 1,800 m to 3,350 m a.s.l. in the Rocky Mountains. It grows in a variety of mountain soils on granitic or basaltic rocks or occasionally sandstone. The climate is moderately humid (500 to 1,875 mm annual precipitation), with relatively warm and dry summers and cold winters. It grows in pure stands, or mixed with various other conifers, e.g. Pinus spp., Abies magnifica, A. procera, A. grandis, Pseudotsuga menziesii var. glauca, and also with Populus tremuloides.
Continuing decline in area, extent and/or quality of habitat:No
Generation Length (years):50

Use and Trade [top]

Use and Trade: White Fir provides timber for general construction applications and plywood; its market value has improved in recent decades relative to other species of fir. In California it is grown for Christmas trees in plantations or harvested from natural regeneration in forests managed for timber production. The natural variation in leaf colour from green (recognized as var. lowiana in horticulture) to glaucous green can be enhanced by selection and has been used both in the Christmas tree trade and in horticulture. A number of cultivars, including dwarfed forms, are commonly used in gardens.

Threats [top]

Major Threat(s): No range wide threats have been identified for this species.

Conservation Actions [top]

Conservation Actions: This species is known from many protected areas throughout its range.

Citation: Farjon, A. 2013. Abies concolor. The IUCN Red List of Threatened Species 2013: e.T42276A2969061. . Downloaded on 19 June 2018.
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