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Home > Code Tables > Code Table List

Code Table List

Potential Natural Vegetation Codes

 EDIT Pine Douglas Fir ForestOpen to dense forests of tall needleleaf evergreen trees, often with much undergrowth. Dominants: Ponderosa pine (Pinus ponderosa) Douglas fir (Pseudotsuga menziesii)
 EDIT Arizona Pine Forest (Pinus)Open to dense forest of needleleaf evergreen trees, medium tall or tall, frequently with a herbaceous ground cover. Dominants: Ponderosa pine (Pinus ponderosa)
 EDIT Southwestern Spruce-Fir Forest (Picea-Abies)Dense to open stands of low to medium tall needleleaf evergreen trees. Dominants: Corkbark fir (Abies lasiocarpa var. arizonica) Engelmann spruce (Picea engelmannii)
 EDIT Juniper-Pinyon Woodland (Juniperus-Pinus)Open groves of needleleaf evergreen low trees with varying admixtures of shrubs and herbaceous plants. Dominants: Oneseed juniper (Juniperus monosperma) Utah juniper (Juniperus ostiosperma) Pinyon pine (Pinus edulis) Oneleaf pine (pinus monophylla)
 EDIT Oak Juniper Woodland (Quercus-Juniperus)Low open to dense forest of broadleaf and needleleaf evergreen trees and varying undergrowth. Dominants: Alligator juniper (J. deppeana), Oneseed juniper (J. monosperma), Emory oak (Q. emoryi), Mexican blue oak (Q. oblongifolia).
 EDIT Great basin sagebrushFairly dense to open vegetation of low to medium tall shrubs. Dominant: Big sagebrush (Artemisia tridentata).
 EDIT Saltbush-Greasewood (Atriplex-Sarcobatus)Open stands of low shrubs and dwarf shrubs. Dominants: Shadscale (Atriplex conferifolia) Greasewood (Sarcobatus vermiculatus)
 EDIT Creosote Bush-Tarbush(Larrea-Flourensia) Fairly dense to very open vegetation of shrubs, dwarf shrubs and grass. Dominants: Tarbush (Flourensia cernua) and Creosote Bush (Larrea divaricata).
 EDIT Alpine Meadows & Barren (Agrostis, Carex, Festuca, Poa)Usually short grasses and sedges, dense to very open with extensive barren areas; many forbs. Dominants: Bentgrass (Agrostis spp.) Sedges (Carex spp.) Hairgrass (Deschampsia caespitosa) Fescue (Festuca viridula) Woodrush (Luzula spicata) Mountain timothy (Phleum alpinum) Bluegrass (Poa spp.) Spike trisetum (Trisetum spicatum)
 EDIT Fescue-Mountain Muhly 
 EDIT Grama-Galleta Steppe (Bouteloua-Hilaria)Low to medium tall grassland with few woody plants. Dominants: Blue gramma (Bouteloua gracilis) Galleta (Hilaria jamesii)
 EDIT Grama-Tobosa Shrubsteppe (Boutloua-Hilaria-Larrea)Short grasses with a shrub synusia varying from very open to dense. Dominants: Black grama (Bouteloua eriopoda) Tobosa (Hilaria mutica) Creosote bush (Larrea divaricata)
 EDIT Trans-Pecos Shrub Savanna (Flourensia-Larrea)Shrubs and dwarf shrubs, dense to scattered, with short grass. Dominants: Tarbush (Flourensia cernua) Creosote bush (Larrea divaricata)
 EDIT Grama-Buffalo Grass (Bouteloua-Buchloe)Fairly dense grassland of short grass with somewhat taller grasses in the eastern sections. Dominants: Blue grama (Bouteloua gracilis) Buffalo grass (Buchloe dactyloides)
 EDIT Wheatgrass-Needlegrass (Agropyron-Stipa)Moderately dense, short or medium tall grassland. Dominants: Western wheatgrass (Agropyron smithii) Blue grama (Bouteloua gracilis) Needle-and-thread grass (Stipa comata) Green needlegrass (Stipa viridula)
 EDIT Shinnery (Quercus-Andropogon)Midgrass prairie with open to dense broadleaf deciduous shrubs and occasional needleleaf evergreen low trees or shrubs. Dominants: Little bluestem (Andropogon scoparius) Shin oak (Quercus mohriana)