Native Mitigation List for Type II**

LESS THAN 50 FT (15 M) HIGH

CONIFERS DECIDUOUS

Baker Cypress, Modoc Cypress [Cupressus bakeri] Pacific Dogwood [Cornus nuttallii] (Acceptable disease (anthracnose)-resistant cultivars): western juniper [Juniperus occidentalis] Starlight* dogwood (Cornus kousa x nuttallii 'Starlight') (Cornus kousa x nuttallii ) Rocky mountain juniper [Juniperus scopulorum] Venus* dogwood 'Venus' Eddie's White Wonder dogwood (Cornus nuttallii x florida whitebark pine [Pinus albicaulis] 'Eddie's White Wonder') knobcone pine [Pinus attenuata] Douglas hawthorn [Crataegus douglasii] shore pine [Pinus contorta var. contorta] Oregon crabapple, Pacific crabapple [Malus fusca] limber pine [Pinus flexilis] bitter cherry [Prunus emarginata] Pacific or western yew [Taxus brevifolia] cascara, chittam, cascara buckthorn [Rhamnus purshiana] Pacific willow [Salix lasiandra] Scouler's willow [Salix scouleriana] Sitka willow [Salix sitchensis]

50 - 75 FT (15 - 23 M) HIGH

CONIFERS DECIDUOUS AND *BROAD-LEAVED EVERGREEN subalpine fir, Rocky Mountain Fir [Abies lasiocarpa] white alder [Alnus rhombifolia] Port-Orford-cedar, lawson falsecypress red alder [Alnus rubra] [Chamaecyparis lawsoniana] (Acceptable disease (phytophthora lateralis)-resistant cultivar height paper birch [Betula papyrifera] requirement of greater than 30 ft): Silver Queen Port-Orford-cedar narrowleaf cottonwood [Populus angustifolia] (Chamaecyparis lawsoniana 'Silver Queen') quaking aspen [Populus tremuloides] Brewer spruce [Picea breweriana] *canyon live oak [Quercus ] Oregon white oak [Quercus garryana] black oak [Quercus kelloggii]

**This list was sourced from City of Lake Oswego Code (LOC): Appendix 55.02-1 and summarizes the Approved Mitigation Tree List for Type II tree removal permits only. It is intended to be used solely as an informal document for choosing a native species for mitigation. Please contact the Planning Department of the City of Lake Oswego if you have any questions. 75 - 100 FT (23 - 30 M) HIGH

CONIFERS DECIDUOUS AND *BROAD-LEAVED EVERGREEN incense-cedar [Calocedrus decurrens] bigleaf maple [Acer macrophyllum] Alaska Cedar, yellow cypress [Chamaecyparis *Pacific madrone [Arbutus menziesii] nootkatensis (syn. Xanthcyparis nootkatensis)] Oregon Ash [Fraxinus latifolia] Engelmann spruce [Picea engelmannii] tanoak [Lithocarpus densiflorus] lodgepole pine [Pinus contorta var. latifolia] *Oregon myrtle, California bay [Umbellularia californica] mountain hemlock [Tsuga mertensiana]

MORE THAN 100 FT (30 M) HIGH

CONIFERS DECIDUOUS AND *BROAD-LEAVED EVERGREEN

Pacific silver fir [Abies amabilis] *golden chinkapin [Chrysolepis chrysophylla] white fir [Abies concolar] black cottonwood [Populous trichocarpa] grand fir [Abies grandis] California red fir [] noble fir [Abies procera] western larch [Larix occidentalis] Sitka spruce [Picea sitchensis] Jeffrey pine [Pinus jeffreyi] sugar pine [Pinus lambertiana] western white pine [Pinus monticola] Willamette Valley ponderosa pine [Pinus ponderosa var. willamettensis] Douglas-fir [Pseudotsuga menziesii] coast redwood [] western redcedar [Thuja plicata] western hemlock []

Planning Staff Resources/Counter Handouts and Code Sections/Currents Handouts/Native Tree List_2019| Page 2 Revised Nov-2019