04 September 2018.
Oregon, United States
Locality: Clackamas County; ; Mount Hood National Forest: Clackamas River Trail #715, south and east of Fish Creek Campground on Fish Creek Road.
Coordinates: 45.1599, -122.1475
(Map it)
Elevation: 315m.
Environment description: Mesic forest, mix of conifer and deciduous; 3/4 shade.
Associated species: Thuja plicata:Pseudotsuga menziesii:Tsuga heterophylla:Acer macrophyllum:Acer circinatum:Alnus rubra:Cornus sericea:Frangula purshiana:Oemleria cerasiformis:Rubus spectabilis:Rubus leucodermis:Ribes lacustre:Symphoricarpos albus:Geum macrophyllum:Fragaria vesca:Polystichum munitum:Oxalis oregana:Tolmiea menziesii:Petasites frigidus
Comment: Deciduous, multistemmed tree (height 6 m, spread 2 m, DBH 1.5 cm) with upright, open habit; bark gray, mottled silvery to slate gray, smooth; leaves mid-green, showing hints of pale yellow autumn color, petioles red; scentless; flowers absent; fruit samaras brown, ripe/dry.
Collector(s):