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Upper Amazon Creek <br />Woody <br />Understory <br />• <br />Dominant species <br />Western serviceberry <br />• <br />Crateagus douglasii <br />Black hawthorn <br />• <br />Oemlaria cerasiformis <br />Indian plum <br />• <br />Salix hookeriana <br />Hooker's willow <br />• <br />Salix sitchensis <br />Sitka willow <br />• <br />Symphoricarpos albus <br />Snowberry <br />Associate species <br />• <br />Amelanchier alnifolia <br />Western serviceberry <br />• <br />Berberis aquifolium <br />Tall Oregon grape <br />• <br />Cornus sericea <br />Creek dogwood <br />• <br />Corylus cornuta var. california <br />California hazel <br />• <br />Holodiscus discolor <br />Oceanspray <br />• <br />Physocarpus capitatus <br />Ninebark <br />• <br />Prunus emerginata var. mollis <br />Bittercherry <br />• <br />Rosa gymnocarpa <br />Baldhip rose <br />• <br />Rubus leucodermis <br />Blackcap <br />• <br />Rubus ursinus <br />Pacific dewberry <br />• <br />Toxicodendron diversiloba <br />Poison oak <br />b) Guidelines for Tree and Shrub Plantings <br />This reach, from Martin Street to Snell Avenue does not include guidelines, since it is dominated <br />by natives and already has a well- developed riparian forest. It may revegetate passively. This <br />section should be monitored to assure that "passive revegetation" does not allow invasives, such <br />as blackberry, to take over. <br />0 <br />