August 8, 1990 POL-3025 



Page 9 of 10 



serviceberry ( Amelanchier alnif olia ) 



mock orange ( Philadelphus lewisii ) 



huckleberry ( Vaccinium ovatum , V. parvifolium ) 



hawthorn ( Crataegus douglasai var. douglasii 



red alder (Alnus rubra ) 



moosewood ( Viburnum edule ) 



black Cottonwood ( Populu3 trlchocarpa ) 



western red cedar ( Thu j a plicata ) 



blue elderberry (Sambucus cerulea ) 



big leaf maple (Acer macrophyllum ) 



Agricultural riparian areas 



cattail ( Typha latif olia ) 

 willows ( Salix sp.) 

 wild rose ( Rosa nutkana) 



10. Exotic Plants Will be Discouraged in Wetlands 



The following exotic plant species invade native plant 

 communities and shall be discouraged in wetlands. 

 Existing stands of these plants will be restored to 

 native plant communities whenever possible: 



reed canarygrass ( Phalaris arundinacea ) 



purple loosestrife ( Ly thrum salicaria ) 



Russian olive ( Elaeagnus angustifolia ) 



smooth cordgrasa ( Spartina alternif lora , Spartlna 



angelica , Spartina patans ) 

 Eurasian water milfoil ( Myriophyllum spicatum ) 



Note: reed canarygrass may be used to control the 

 spread of purple loosestrife or other noxious weeds 

 and prevent erosion, if no acceptable native plant 

 material can be found. 



11. Adjacent Uplands Will be Protected and Restored 



WDV will recommend that buffers and connectors be re- 

 tained and restored around wetlands. This will be 

 accomplished during environmental review and permitting 

 and during compensation and restoration efforts. 

 Recommended buffers will be mature native vegetation 

 when possible. The buffer zones will be large enough 



