Print Report
CEGL000444 Pseudotsuga menziesii / Muhlenbergia straminea Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Douglas-fir / Screwleaf Muhly Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: No Data Available
Diagnostic Characteristics: Muhlenbergia straminea is well-represented in the grass-dominated understory. Dominant overstory trees are Pinus ponderosa, Pinus strobiformis, and Pseudotsuga menziesii. Abies concolor is absent or accidental.
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: No Data Available
Dynamics: Ponderosa pine dominates the overstory when frequent fires inhibit Douglas-fir regeneration.
Environmental Description: This forest generally occurs on upper slopes and ridges at elevations of 2375 to 2870 m (7800-9400 feet). Mean annual precipitation (MAP) is 63.5 cm (25 inches) per year.
Geographic Range: This association occurs in southwestern and central New Mexico and southeastern and central Arizona.
Nations: US
States/Provinces: AZ, NM
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.687511
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G4
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 1 Forest & Woodland Class | C01 | 1 |
| Subclass | 1.B Temperate & Boreal Forest & Woodland Subclass | S15 | 1.B |
| Formation | 1.B.2 Cool Temperate Forest & Woodland Formation | F008 | 1.B.2 |
| Division | 1.B.2.Nb Rocky Mountain Forest & Woodland Division | D194 | 1.B.2.Nb |
| Macrogroup | 1.B.2.Nb.1 White Fir - Douglas-fir - Blue Spruce Forest Macrogroup | M022 | 1.B.2.Nb.1 |
| Group | 1.B.2.Nb.1.c White Fir - Douglas-fir Southern Rocky Mountain Dry Forest Group | G226 | 1.B.2.Nb.1.c |
| Alliance | A3454 Douglas-fir Southern Rocky Mountain Forest & Woodland Alliance | A3454 | 1.B.2.Nb.1.c |
| Association | CEGL000444 Douglas-fir / Screwleaf Muhly Forest | CEGL000444 | 1.B.2.Nb.1.c |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Pseudotsuga menziesii - Pinus strobiformis / Muhlenbergia virescens (Moir and Ludwig 1979)
= Pseudotsuga menziesii / Muhlenbergia virescens (Stuever and Hayden 1997a)
= Pseudotsuga menziesii / Muhlenbergia virescens (Stuever and Hayden 1997a)
- Alexander, B. G., Jr., F. Ronco, Jr., A. S. White, and J. A. Ludwig. 1984b. Douglas-fir habitat types of northern Arizona. General Technical Report RM-108. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. 13 pp.
- Bourgeron, P. S., and L. D. Engelking, editors. 1994. A preliminary vegetation classification of the western United States. Unpublished report. The Nature Conservancy, Western Heritage Task Force, Boulder, CO. 175 pp. plus appendix.
- Fitzhugh, E. L., W. H. Moir, J. A. Ludwig, and F. Ronco, Jr. 1987. Forest habitat types in the Apache, Gila, and part of the Cibola national forests. General Technical Report RM-145. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. 116 pp.
- Moir, W. H., and J. A. Ludwig. 1979. A classification of spruce-fir and mixed conifer habitat types of Arizona and New Mexico. Research Paper RM-207. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. 47 pp.
- Muldavin, E. H., R. L. DeVelice, and F. Ronco, Jr. 1996. A classification of forest habitat types of southern Arizona and portions of the Colorado Plateau. General Technical Report RM-GTR-287. USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. 130 pp.
- Stuever, M. C., and J. S. Hayden. 1997a. Plant associations of Arizona and New Mexico, edition 3. Volume 1: Forests. USDA Forest Service, Southwestern Region. Habitat Typing Guides. 291 pp.
- USFS [U.S. Forest Service]. 1986. Forest and woodland habitat types (plant associations) of southern New Mexico and central Arizona (north of the Mogollon Rim). USDA Forest Service, Southwestern Region, Albuquerque, NM. Second edition, 140 pp. plus insert.
- USFS [U.S. Forest Service]. 1987b. Forest and woodland habitat types (plant associations) of Arizona south of the Mogollon Rim and southwestern New Mexico. USDA Forest Service, Southwestern Region, Albuquerque, NM. Second edition, 168 pp. plus insert.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.