Table A-3 — Key to the Vegetation Element of the Land Classification Framework — 

 Class: Shrubland' 



Class: Shrubland 



Subclass 



Group 



Formation 



Shrubs 0.5 to 5 m tall form- 

 ing 26 percent or greater 

 canopy cover 



Mainly evergreen shrubland 

 (canopy never without 

 green foliage although 

 some shrubs may shed 

 their leaves) 



1. Broad-leaved shrubland (may 

 not be represented in U.S.) 



a. Low bamboo shrubland 



b. Evergreen tuft-tree shrubland 



c. Evergreen broad-leaved 



hemisclerophyllous shrub- 

 land 



d. Evergreen broad-leaved 



sclerophyllous shrubland 



e. Evergreen suffruticose 



shrubland 



2. Needle-leaved and micro- 

 phyllous shrubland 



B. Mainly deciduous shrubland 1. Drought-deciduous shrub- 



(majority of shrubs shed 

 foliage as result of drought 

 and/or cold) 



Extremely xeromorphic (sub- 

 desert) shrubland (arid 

 climate) 



land, with evergreen woody 

 plants (may not be repre- 

 sented in U.S. except 

 Hawaii and island trusts 

 and territories) 



Drought-deciduous shrub- 

 land, without evergreen 

 woody plants 



Cold-deciduous shrubland 

 (winter frost and freeze) 



2. Deciduous shrubland 



a. Evergreen needle-leaved 



shrubland (e.g., krummholz) 



b. Evergreen microphyllous 



shrubland (sagebrush) 2 



1. Mainly evergreen shrubland a. 



Temperate deciduous shrub- 

 land (e.g., serviceberry, 

 some oaks) 



Subalpine or subpolar decid- 

 uous shrubland (e.g., wil- 

 low, alder) 



Deciduous alluvial shrubland 

 (e.g., some willow) 



Deciduous peat shrubland 



Evergreen subdesert shrub- 

 land (e.g., creosote bush) 



Semideciduous subdesert 

 shrubland (e.g., saltbush) 



a. Deciduous subdesert shrub- 



land without succulents 



b. Deciduous subdesert shrub- 



land with succulents (e.g., 

 palo verde) 



1 The key to the vegetation element is patterned after UNESCO 1973. The key contains a few examples of known communities in the 

 United States. 



^Sagebrush (Artemisia) shrubs are considered evergreen although one species, stiff sagebrush (A. rigida), is considered completely 

 deciduous (Tisdale and Hironaka 1981). 



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