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Upper Amazon Creek <br />c) Planting diagram <br />Madrone / Oregon ash / Ponderosa pine / Western serviceberry / <br />Top of Tall Oregon grape / Oceanspray / Indian plum / Oregon white oak / <br />Bank (1) <br />Nootka rose / Snowberry <br />Oregon ash / Black cottonwood / Pacific willow / Tall Oregon <br />Upper grape / <br />Bank (2) Black hawthorn / Oceanspray / Nootka rose / Snowberry <br />Lower White alder / Red alder / Black cottonwood / Creek dogwood / <br />Bank (3) Hooker's willows / Sitka willow <br />Creek <br />4. Hilyard/ 33 "d Avenue to 29th Avenue <br />a) Existing Conditions <br />This part is almost the same as the prior segment. The dominant species in the tree and shrub <br />layers is willow. But there are a few more associate species in the woody understory. The trees <br />and shrubs are mostly on the slopes, and the top of the bank is mowed. <br />WILLOW RIPARIAN FOREST <br />Canopy <br />Dominant species <br />• Salix lucida ssp. lasiandra <br />Associate species <br />• Fraxinus latifolia <br />• Populus balsamifera <br />Woody Understory <br />Dominant species <br />• Salix fluviatilis <br />• Salix hookeriana <br />• Salix scouleriana <br />Pacific willow <br />Oregon ash <br />Black cottonwood <br />Columbia river willow <br />Hooker's willow <br />Scouler's willow <br />12 <br />