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Hoyt Arboretum.

Hoyt Arboretum: Collected from near the northside entrance into the Winter Garden, about 8 meters north of the arboretum entrance sign, off-of the intersection of the Wildwood Trail with SW Cascade Drive. Open understory area.

Forest Park: Intersection of NW 53rd Drive and Holman Lane.

Arboretum Natl. Des Barres.

Hoyt Arboretum: Collected across the street (SW Cascade Drive) from the Winter Garden.

Sauvie Island, Just south of Holman Point on the shore of the NW corner of the West arm of Sturgeon lake.

T13s, R14e, S35, about 17K. north of Prineville on hwy 26. At NF-900 rd go south about 2miles. Park, walk west about 700 m.

Beggars Tick Wildlife Refuge, Portland Parks & Recreation. SE111th and Spring Water Corridor.

Wilkes Creek Headwaters: From 154th and Sandy south to NE Fremont, then west into park. Collected near south end of park.

Forest Park: Collected near Linnton, OR, near the BPA road. Collected off of the Firelane 15 road (Kielhorn Meadow Path), about half-way between Skyline Blvd and its intersection with the Wildwood Trail.

Hoyt Arboretum, From Vietnam Vets Memorial Parkinglot walk E to Overlook Trail. Start on E side of SW Kingston Rd. Walk on E Overlook 50 m.

Riverview Natural Area. Found in a wet seep in open woods near trail.

Mount Hood Natl Forest: Collected on the NW side of Mt. Hood, about 2 km SE of Bull Run Lake. Collected about 10 m from a Pacific Crest Trailhead, just north (about 500 m) of the intersections of Lolo Pass Road with Forest Road 1810 and Forest Road 1828.

Hoyt Arboretum: Collected trailside in the Rose Section, at the intersection of the Wildwood and Hawthorn Trails.

Cooper Mountain Nature Park 18892 Southwest Kemmer Road Beaverton, OR 97007. From parking lot walk S on Lil Prairie loop, stay W. (right) to Cooper mt loop go W. (right), at Overlook Tr. go S (left)walk about 150m then turn S off trail go 70M its all over

Hoyt Arboretum: Collected off of the Wildwood Trail, about 50 m NE of the Vietnam Veteran's Memorial. About 1 m NE of where the Wildwood Trail intersection with a connector to the Marquam Trail (uphill from planted Daphniphyllum).

OPRD property: Willamette Narrows.

From Colton OR drive 10miles to S. Hillcockburn Rd. From intersection drive 5 miles to USFS gate. From gate drive about 3m. Collection on NW side of rd.

Metro: Smith & Bybee Lakes, Slough Trail.

Bloomington Park (PP&R): Developed urban park located on SE Steele St & SE 100th Avenue.

Mount Tabor Park, Heritage Tree: From west side of park, near SE corner of reservoir. Heritage Tree #62, tree about 115 ft tall.

Forest Park: 53rd Ave Trailhead & Holman Ln.

Sliverton, Oregon Garden.

Ochoco National Forest. From the East side of the forest , from Hwy 26 (Ochoco hwy) drive west up Badger Creek Rd for about 17 k, at the intersection of Summit (NF-2630). Made colletion on NW corner in grassy area.

Hoyt Arboretum: Located on west side of Maple Trail, where the trail intersects with a Connector Trail (to the Wildwood Trail), in a wet ditch area just below stairs.

St. Helens OR, Nob Hill Nature Park, 451 Plymouth street. In southern part of park in line with S. 4th street.

City ROW and Parks Dept. property; deadend of SW 49th Ave south of SW Garden Home Rd.

Painted Hills Unit of John Day Fossil Bed National Monument. End of Carroll Rim Trail at view point on top of hill.

Kaema plateau and Mt. Psektu.

Portland Heritage Tree: Residential street tree at 2204 SE 11th Avenue, planted in right-of-way. Heritage Tree #49. Approximately 69 ft tall.

Portland: Oaks Bottom. SE Inslay st and SE Milwaukie ave. 255 feet NW into field W of above intersection.

Ankeny Hill Wildlife. 2301 Wintel Rd Jefferson, OR. I5 south of Salem to Ankeny Hill Rd west. Location is on edge of refuge weedy area.

Rogur River-Siskiyou National Forest, near Cave Junction.

Hoyt Arboretum: Likely an intentionally planted tree. Located near SW corner of Veteran's Vietnam Memorial, just off-of Marquam Trail, downslope of Cornus nuttalli 'Corigo Giant' with lawn grasses and Trifolium repens.

Howell Lake (Metro)

Marquam Nature Park, at trail head at Terwilliger Blvd. about 300m S of SW Bancroft and Terwilliger intersection. Collection made at trail head.

Hoyt Arboretum: Located in forested understory, off of the Wildwood Trail between Knights Blvd and Veteran's Memorial, near rhododendrons and grey-barked birches.

Powell Butte.

Hoyt Arboretum: Weedy area in Arboretum's Fraxinus section, between the lowest switchback of the Overlook Trail and SW Kingston Drive.

Willamette Narrows: Centroid located for Willamette State Park? Location information unclear.

Sandy River Delta Park: About 60m north of Jordan Rd parking lot, on main trail.

Nature Conservancy Kingston Prairie. 41349-41405 Kingston Lyons Dr SE Stayton, OR 97383.

Hoyt Arboretum: From a roadside ditch along the north side of Kingston Blvd, below the Arboretum's Carpinus collection.

Rocy Hill, CT, the wild population (no more specifics)

Hoyt Arboretum: Located on side of weedy trail, on the stairs just below the upper intersection of the Overlook and Hawthorn Trails.

Hwy 205 take West Linn exit 10 south, go rt on Will. Falls Dr. to 12th st, then go rt/west onto Tualatin Rd, truns into Petes Mt. Rd. Go about 4.5 miles and turn left/east onto SW Riverwood Rd, the East on SW Forest Cove rd, park at .5m. Walk in, see map.

Johnson Lake Park (PP&R): Collected from northern portion of park, approx. 100 ft southwest of North Trailhead.

Riverview Park: Riverview lower SW, hill near Hwy 43.

Tanner Springs Park: Urban park located in NW Portland, between NW Northrup & NW Marshall streets, and NW 10th & 11th Avenues.

Beima Shan (?)