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Rosaceae
1. Crataegus douglasii Lindl.
U.S.A., Idaho, Ada County: Barber Park, along entrance to pedestrian trail in main parking area. Elev. 840 m.
43.5677834° N, 116.1354164° W
With Salix, Poa. 4 m tall. flowers with white petals.
SRP: 85301
Anna Connington 20Apr 27, 2025

SRP085301.jpg
Rosaceae
2. Crataegus douglasii Lindl.
U.S.A., Idaho, Bannock County: Allen cabin 11.9km W of Downey, Idaho. Elev. 6100 ft.
42.4292° N, -112.2735° W
Coordinate uncertainty: 200 meters. Georeferenced by Bob McCoy. Coordinate Source: Field Notes. Inverted longitude.
Riparian zone and dry hillside in S exposure along small stream with Populus tremuloides, Betula occidentalis, Symphoricarpos rotundifolia, Pseudosuga menziesii, and Osmorhiza occidentalis dominating. Reproductive state: Flowers & Fruits.
IDS
Derek 24128Jun 23, 2024
With Derek Antonelli, Kai Battenberg, Paul Allen, Geoff Hogander, Sarah Jackson, Elizabeth Mandala, Amanda Haslam, Duane Dyer.
Rosaceae
3. Crataegus douglasii Lindl. var. douglasii
= Crataegus douglasii Lindl.
U.S.A., Idaho, Elmore County: Rattlesnake Spring trail. From I-84 in Mountain Home, drive NE on Hwy20 for 7.8 miles to parking on right. Walk up trail Elev. 4087 ft.
43.21215°, -115.55081°. Datum: WGS 84. Coordinate uncertainty: 10 meters. Georeferenced by Mark Pollock. Coordinate Source: GPS. Inverted longitude.
edge of riparian shrubland dominated by Salix lasiolepis very young fruits. Photos of the living specimen available at https://www.inaturalist.org/observations/216934665 Reproductive state: Flowers & Fruits.
SRP: mp916
Mark Pollock 916May 19, 2024
Rosaceae
4. Crataegus douglasii Lindl.
U.S.A., Idaho, Bonner County: IDFG Gold Creek Property. Access: from Highway 200, turn north onto Colburn-Culver Road. Then turn east onto Gold Creek Road, just past Northside School. IDFG parking area is on the south side road about 0.5 miles east of Gold Creek and Colburn-Culver Road Junction. Site is about 0.25 air miles SSE of parking lot in riparian area. Elev. 2112 ft.
48.37624° N, 116.42379° W
Open field and shrub-lined ditch with PHAR, CRDO, SPDO, TAVU, SABE, and PHPR. Reproductive state: Fruits. Origin: Native.
ID: 193460; ID199073
Derek S. Antonelli 23-049Jul 14, 2023
With Alma Hanson and Sandy Smith.

ID199073.jpg
Rosaceae
5. Crataegus douglasii Lindl.
U.S.A., Idaho, Adams County: Payette National Forest. Lafferty Campground. Along Crooked River. Elev. 1303 m.
44.9409° N, 116.65475° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.
Forest of Pinus ponderosa, Salix, Crataegus. tree to 4 m tall.
SRP: 81778
J. F. Smith 19196Jun 23, 2023

SRP081778.jpg
Rosaceae
6. Crataegus douglasii Lindl.
U.S.A., Idaho, Valley County: 1.5 miles east of Hwy 55 on Warm Lake Road. Elev. 1455 m.
44.52783° N, 115.01109° W
Invalid coordinates (located outside county bounds).
Roadside ditch with Bromus inermis and Phalaris arundinacea.
SRP: 78687
D. H. Mansfield 22505Jul 7, 2022
With Ian Clifford

SRP078687.jpg
Rosaceae
7. Crataegus douglasii Lindl.
U.S.A., Oregon, Multnomah County: Sauvie Island, Oak Island trail. Peninsula between Wagonwheel Hole and Sturgeon Lake. Elev. 30 ft.
45.720445°, -122.81610°. Georeferenced by Dominic Maze.
Decommissioned roadside through mature mixed Populus and Quercus garryana forest. Flat aspect. Former floodplain of the Columbia and Willamette Rivers. Mature small trees to 4 meters. Heavily armed. With above species, pasture grasses, Camassia quamash, exotic Trifoliums. Reproductive state: Flowers. Origin: Native.
HPSU: 23468
Dominic Maze 1724May 9, 2021
With Olivia Duren, Zane Maze, Cyrene Maze

HPSU_023468.jpg
Rosaceae
8. Crataegus douglasii Lindl.
U.S.A., Montana, Missoula County: Along Clark Fork River
46.83846° N, 114.07669° W
Datum: WGS 84. Coordinate uncertainty: 1000 meters. Georeferenced by Trey Good. Coordinate Source: Digital Map. Lat/Long changed to mach locality description "Along Clark Fork River"
Riparian corridor along river with a matrix of sloughs and islands. Dominant species: Phalaris arundinacea, Salix alba, Salix sp., Populus angustifolia
Grahm Johnson 74-2024Nov 5, 2021
MONTU: 172546; MONTU000680

MONTU000680.jpg
Rosaceae
9. Crataegus douglasii Lindl.
U.S.A., Idaho, Latah County: Hill Conservation Easement: lower margin of thicket on north slope of Gormsen Butte 230 meters northeast of summit. Site ID: BSL-2069. Elev. 937 m.
46.647208° N, 116.974662° W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.
Crataegus douglasii thicket with herbaceous layer of Anthriscus caucalis, Claytonia perfoliata, Lithophragma parviflorum, Osmorhiza berteroi. Flowers white; stamens 10; styles 3-4; sepal margins entire; shrubs or small trees ca 3-5 meters tall, abundant in thickets. Reproductive state: Flowers.
ID: 189484; ID195040
Ben Legler 15569May 23, 2020
With Eric Anderson, Harpo Faust, Stella Waxwing

ID195040.jpg
Rosaceae
10. Crataegus douglasii Lindl.
U.S.A., Idaho, Bonner County: Kaniksu National Forest, Selkirk Mountains, Priest Lake Ranger District, Forest Service 1013, Upper Priest RNA, off Navigation Trail 291, River Terrace above Upper Priest Lake. Site ID: SK-554. Elev. 742 m.
48.800711° N, 116.920905° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.
Riverbank dominated by Phalaris arundinacea and Cornus stolonifera with Dryopteris cristata and Glyceria grandis. Thorns present, tree to 5m. Reproductive state: Fruits. Origin: Native.
ID: 185615; ID191167
Harpo Faust 3807Aug 9, 2020
With Whitney Griswold

ID191167.jpg
Rosaceae
11. Crataegus douglasii Lindl.
U.S.A., Idaho, Bonner County: Priest Lake State Forest, Selkirk Mountains, Lions den Campground, Priest Lake, Boat Launch. Site ID: SK-661. Elev. 742 m.
48.742245° N, 116.833599° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: GPS.
Rocky sandy weedy lakeshore next to developed boat launch with Spirea douglasii, Crategus sp, and Centaurea stoebe. Shrub to 2m. Reproductive state: Fruits. Origin: Native.
ID: 185556; ID191108
Harpo Faust 4177Sep 3, 2020
With Ben Legler

ID191108.jpg
Rosaceae
12. Crataegus douglasii Lindl.
U.S.A., WA, Thurston County: Scatter Creek North Unit Elev. 64 m.
46.84496° N, 122.985587° W
Coordinate Source: Digital Map.
Occasional in hedgerow along edge of prairie, with Malus sp., Cytisus scoparius, Amelanchier alnifolia 4m tall, 10 stamens Reproductive state: Fruiting. Origin: Native.
Peter Dunwiddie PWD-20-12May 29, 2020
With Peter Zika
WTU: 461582; WTU-V-118191

WTU-V-118191.jpg
Rosaceae
13. Crataegus douglasii Lindl.
U.S.A., Washington, Spokane County: Spokane. High Drive Bluff Park. Latah Creek bottom. Elev. 2030 ft.
47.61596° N, 117.41649° W
Datum: WGS 84. Coordinate uncertainty: 5 meters. Coordinate Source: Specimen Label.
Creek bottom. Full sun. Sandy soil over with basalt rocks. Small tree/large shrub ca. 3-4 m tall. Flowers white, thorns 1-2 cm long. Reproductive state: Flowers. Origin: Native.
EWU: 10116
Robert F. Steinauer 5526May 15, 2019
Rosaceae
14. Crataegus cf. douglasii Lindl.
U.S.A., Idaho, Adams County: Payette National Forest, ca 2.5 mi along Forest Service road 169 following Beaver Creek from Junction with HWY 95, ca 5 air miles southwest of New Meadows. Elev. 1326 m.
44.910992° N, 116.364309° W
Datum: WGS 84. Coordinate Source: GPS.
Open roadside, marshy meadow adjacent to stream, dominated by Veratrum californicum, tall sedges and grasses and scattered willows and conifers on the edge. Associated plants: Pedicularis groenlandica, Senecio sp., Potentilla gracilis, Ranunculus spp. Southern exposure. Multistemmed shrub to 4m. Reproductive state: Fruits. Origin: Native.
ID: 179677; ID185957
Malia Santos 2019-39Jun 19, 2019
With Saul Silberman, Dan Turck, Courtney Matzke, Quinn Buzzard, Peri Lee Pipkin, Harpo Faust, David Tank

ID185957.jpg
Rosaceae
15. Crataegus douglasii Lindl.
U.S.A., Oregon, Multnomah County: Johnson Creek. Backwater channel south of main channel and south of Springwater Corridor Trail 160 meters. North of Foster Road. Elev. 330 ft.
45.477914°, -122.49720°. Datum: WGS 84. Georeferenced by Dominic Maze. Coordinate Source: Digital Map.
Growing at edge of dirt road turn around. With Fraxinus, Salix lucida, Acer macrophyllum. Several large specimens to 5 meters. Reproductive state: Fruits.
HPSU: 21133
Dominic Maze 1073Jul 11, 2019

HPSU_021133.jpg
Rosaceae
16. Crataegus douglasii Lindl.
U.S.A., Washington, Okanogan County: Palmer Mountain Management Area. Washburn Lake, north shoreline and adjacent upland. Elev. 949 m.
48.84471° N, 119.59485° W
Datum: WGS 84. Coordinate uncertainty: 500 meters. Coordinate Source: GPS.
Montane pond encircled by dense stand of Schoenoplectus acutus with Typha latifolia occasional; upland and nearshore pond margin decimated by cattle grazing. Locally common in dry upland; broad canopy; fruits black, achenes 4-5. Reproductive state: Fruits. Origin: Native.
WTU
David Giblin 7350Sep 19, 2019
Rosaceae
17. Crataegus douglasii Lindl.
U.S.A., Washington, Okanogan County: Sinlahekin Wildlife Refuge. Forde Lake, northwest corner. Elev. 470 m.
48.73706° N, 119.66973° W
Datum: WGS 84. Coordinate uncertainty: 50 meters.
Large pond with shoreline dominated by Typha latifolia and shallow waters by Potamogeton richardsonii; adjacent Pinus ponderosa-dominated dry slope. Fruits black-purple, achenes 3; shrubs to 3 meters tall; scattered in upland along pond. Reproductive state: Fruits. Origin: Native.
WTU
David Giblin 7357Sep 19, 2019
Rosaceae
18. Crataegus douglasii Lindl.
U.S.A., Washington, Okanogan County: Similkameen-Chopaka Wildlife Unit. Oxbow pond and surrounding area accessible from parking area. Elev. 351 m.
48.95817° N, 119.7147° W
Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.
Eutrophic, seasonally fluctuating pond with muck soil substrate and adjacent disturbed upland with Bassia scoparia common and abundant. Fruits black; scattered along edge of pond; achenes 3-4; shrub to 5 meters tall. Reproductive state: Fruits. Origin: Native.
WTU
David Giblin 7313Sep 18, 2019
Rosaceae
19. Crataegus douglasii Lindl.
U.S.A., Montana, Chouteau County: Briggs Creek, immediately upstream from Thain Creek Campground in the Highwood Mountains. Elev. 4600 ft.
47.4764° N, 110.5802° W
Along creek. Abundant on site.
MONTU: 167691
Scott A. Mincemoyer 1141Jun 16, 2019

MONTU_167691.jpg
Rosaceae
20. Crataegus douglasii Lindl.
U.S.A., Washington, Okanogan County: Sinlahekin Wildlife Area. East side of Blue Lake. Elev. 513 m.
48.67175° N, 119.69076° W
Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.
Disturbed shoreline edge, emerged zone, and disturbed upland, non-native Salix dominant tree species along lake margin. Scattered in upland adjacent to lake; shrubs to 5 meters tall. Reproductive state: Fruits. Origin: Native.
David Giblin 6862Jun 15, 2019
WTU: 429065; WTU-V-085042

WTU-V-085042.jpg
Rosaceae
21. Crataegus douglasii Lindl.
U.S.A., Washington, Clark County: Lacamas Prairie Natural Area Preserve. Elev. 193 ft.
45° 38\' 28" N, 122° 27\' 24.3" W
Datum: WGS 84. Coordinate uncertainty: 3 meters. Coordinate Source: GPS.
Quercus garryana / Fraxinus latifolia / Symphoricarpos albus forest association. Reproductive state: Flowers. Origin: Native.
Roger T. George 2019-52May 3, 2019
WTU: 427222; WTU-V-076965

WTU-V-076965.jpg
Rosaceae
22. Crataegus douglasii Lindl.
United States, Washington, Okanogan: Palmer Mountain Management Area. Washburn Lake, north shoreline and adjacent upland. Elev. 949
48.84471°, -119.59485°. Datum: WGS84.
Montane pond encircled by dense stand of Schoenoplectus acutus with Typha latifolia occasional; upland and nearshore pond margin decimated by cattle grazing. Locally common in dry upland; broad canopy; fruits black, achenes 4-5. https://intermountainbiota.org/portal/collections/individual/index.php?occid=31286703.
WS: 400471; WS008841
David Giblin 7350Sep 19, 2019

WS008841.JPG
Rosaceae
23. Crataegus douglasii Lindl.
United States, Washington, Chelan: East Cascades Ecoregion: Wenatchee Mountains, Camas Meadows Natural Area Preserve, Camas Land, 3 miles SE of US Hwy 97, 11 air miles NW of Wenatchee. T23N R18E S22 SE4 NW4 SW4. Elev. 2800ft
47.473°, -120.57852°.
Wet meadow and edge of Populus tremuloides and Crataegus douglasii woods with Thalictrum, Potentilla gracilis, Poa pratensis, Trifolium longipes, Delphinium viridescens, and Sidalcea oregana var. calva. HerbariumSpecimenDuplicate: Crataegus douglasii 8 ft tall shrub with thorns. Common. https://intermountainbiota.org/portal/collections/individual/index.php?occid=31321083. Reproductive state: Flowering.
WS: 401030; WS009218
Walter Fertig 33780Jun 17, 2019

WS009218_1708389776_lg.jpg
Rosaceae
24. Crataegus douglasii Lindl.
United States, Washington, Okanogan: (locality not given).
Misleading coordinates (placed in center of county).
WS: 413989; WS060095
David Giblin 6862Jun 15, 2019
Rosaceae
25. Crataegus douglasii Lindl.
U.S.A., Idaho, Washington County: Turn onto Upper Mann Crk. Rd. from Highway 95 and continue for 4.36 miles. Elev. 3747 ft.
44.43221° N, 116.91528° W
Datum: NAD 83. Coordinate uncertainty: 6 meters. Georeferenced by Elijah Rolapp. Coordinate Source: Specimen Label.
Rhyolitic derived rocky soil, gravelly/sandy soil, uphill from riparian area on side of road. bulbous blue grass, arrowleaf balsam root, stork\'s bill. Shrub 2.5 meters tall, green fruits turning red. Reproductive state: Fruits.
CIC: 53274
Danielle Trawick 88Jun 11, 2018
With E. Rolapp and E. Ambert

CIC053274.jpg
Rosaceae
26. Crataegus douglasii Lindl.
U.S.A., Washington, Skamania County: Home Valley Waterfront Park. Sailboard Beach access area approximately 200 meters east and west along shoreline. Elev. 34 m.
45.7094° N, 121.78011° W
Datum: WGS 84. Coordinate uncertainty: 200 meters. Coordinate Source: GPS.
Shoreline, wetland, and adjacent shallow waters; shoreline dominated by Amorpha fruticosa, Salix sp. (narrow leaves), and Persicarnia sp.; Myriophyllum sp. common in shallow water. Locally common on riverbank in forest understory; mature fruits black. Reproductive state: Fruits. Origin: Native.
David Giblin 6414Sep 12, 2018
WTU: 420237; WTU-V-044385

WTU-V-044385.jpg
Rosaceae
27. Crataegus douglasii Lindl.
U.S.A., Washington, Okanogan County: Leader Lake from west end up the south bank approximately 1 km. Elev. 690 m.
48.36082° N, 119.6964° W
Datum: WGS 84. Coordinate uncertainty: 1000 meters. Coordinate Source: GPS.
Seasonally fluctuating lake with silty drawdown area along edge; adjacent sandy upland; water\'s edge dominated by Myriophyllum sp. Locally common tree to 6 meters tall; fruits black. Reproductive state: Fruits. Origin: Native.
David Giblin 6520Oct 3, 2018
WTU: 423741; WTU-V-064477

WTU-V-064477.jpg
Rosaceae
28. Crataegus douglasii Lindl. var. douglasii
= Crataegus douglasii Lindl.
U.S.A., Idaho, Camas County: Above Preis Hot Spring. Elev. 5700 ft.
43.57583° N, 114.83106° W
Datum: NAD 83. Coordinate Source: Field Notes.
South-southwest facing hillslope, along cliffs, open sagebrush slopes, or associated with patches of Douglas-fir.
CIC: 54781
Samuel West 394Jun 2, 2018
With Samantha Seabrook-Sturgis, Brittni Brown, Rose Lehman

CIC054781.jpg
Rosaceae
29. Crataegus douglasii Lindl. var. douglasii
= Crataegus douglasii Lindl.
U.S.A., Idaho, Camas County: Above Preis Hot Spring. Elev. 5700 ft.
43.57583° N, 114.83106° W
Datum: NAD 83. Coordinate Source: Specimen Label.
South-southwest facing hillslope, along cliffs, open sagebrush slopes, or associated with patches of Douglas-fir.
SRP: 69674
Samuel West 394Jun 2, 2018
With Samantha Seabrook-Sturgis, Brittni Brown, Rose Lehman

SRP069674.jpg
Rosaceae
30. Crataegus douglasii Lindl.
U.S.A., Oregon, Wasco County: At White River recreation side along Deschutes River access road.
45.232568°, -121.06809°. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by Dan Post. Coordinate Source: Digital Map.
Shoreline of river with alder. Douglas hawthorn. Reproductive state: Flowers. Origin: Native.
David Gross 1323May 3, 2018
WTU: 420722; WTU-V-048890

WTU-V-048890.jpg
Rosaceae
31. Crataegus douglasii Lindl.
U.S.A., Idaho, Camas County: Above Preis Hot Spring. Elev. 5700 ft.
43.57583° N, 114.83106° W
Datum: NAD 83. Coordinate Source: Field Notes.
South-southwest facing hillslope, along cliffs, open sagebrush slopes, or associated with patches of Douglas fir. Reproductive state: Flowers & Fruits.
Samuel West 394Jun 2, 2018
With Samantha Seabrook-Sturgis, Brittni Brown, Rose Lehman
IDS: 2019.017; IDS0074551

IDS0074551.jpg
Rosaceae
32. Crataegus douglasii Lindl.
Canada, British Columbia: Little Shuswap Lake, 800 m south of, town of Chase, Aylmer Road, 110 m east of Veteran Road, by Chase Creek. Elev. 356 m
50.82°, -119.69727°.
By rough path along creek in industrial area, with Betula papyrifera, Clematis ligusticifolia, Sambucus cerulea. Fruit deep red, not fully ripe; sepals reflexed to fruit; stamens 10; styles 5; thorns rather sparse, stout, 2 cm.
UBC: V252965
Frank Lomer 11322Aug 9, 2018
Rosaceae
33. Crataegus douglasii Lindl.
United States, Washington, Asotin: Blue Mountains, Lick Creek, south side of Lick Fork Road at mouth of Cabin Gulch, Asotin Creek Wildlife Area. T9N R43E S14 NE4 SW4 NW4. Elev. 3008 ft
46.260278°, -117.394°. Datum: WGS84. Georeferenced by Fertig.
Crataegus douglasii-Cornus sericea-Alnus viridis-Populus trichocarpa community along creek. Banks with Elymus elongatus meadow with Onopordum acanthium and Sisymbrium altissimum. Soil clay rich. HerbariumSpecimenDuplicate: Crataegus douglasii Shrub 20 ft tall. Fruits green to black. https://intermountainbiota.org/portal/collections/individual/index.php?occid=33224281. Reproductive state: Fruiting.
WS: 411142; WS035534
Walter Fertig 33110Jul 17, 2018
With Peter Lesica

WS035534.JPG
Rosaceae
34. Crataegus douglasii Lindl. var. douglasii
= Crataegus douglasii Lindl.
U.S.A., Idaho, Adams County: Payette National Forest, New Meadows Ranger District, Ecks Flat area; 6 miles northwest of McCall on highway 55, 2 miles southwest on Forest Road 307; west of road. Elev. 1530 m.
44.942257° N, 116.198489° W
Datum: WGS 84. Coordinate uncertainty: 7 meters. Coordinate Source: GPS.
Large, seasonally wet area, surrounded by open, forested, occasionally rocky edge dominated by Pinus ponderosa; pockets of sagebrush throughout and with evident Pinus ponderosa encroachment at the northern edge. shrub to 3m; 1 individual found in center of meadow Reproductive state: Fruits. Origin: Native.
ID: 173691; ID179060
Katy Matthews 17-30Jul 3, 2017
With Grahm M. Johnson

ID179060.jpg
Rosaceae
35. Crataegus douglasii Lindl.
U.S.A., Oregon, Multnomah County: Portland; mainstem Columbia Slough. Near City of Portland water treatment plant.
45.597384° N, 122.715253° W
Coordinate Source: Specimen Label.
Above muddy banks/ high water. Associated with Acer macrophyllum, Fraxinus latifolia, Rosa pisocarpa, Populus. Scattered individuals. Reproductive state: Vegetative.
HPSU: 19410
Dominic Maze 473Sep 7, 2017

HPSU_019410.jpg
Rosaceae
36. Crataegus douglasii Lindl.
U.S.A., Washington, Spokane County: Spokane. Antoine Peak Conservation Area. East-side trail head, keep to the right on the trail headed up to Leland pond. Elev. 715 m.
47° 43.763\' N, 117° 9.541\' W
Datum: WGS 84. Georeferenced by Robert F. Steinauer. Coordinate Source: Specimen Label.
Mixed conifer forest. Shrub with white flowers, five petals with 10 stamens. Large thorns. Reproductive state: Flowers. Origin: Native.
EWU: 9420
Jade Clinkenbeard 2017 17May 26, 2017

EWU0009420.jpg
Rosaceae
37. Crataegus douglasii Lindl.
U.S.A., Washington, Spokane County: Spokane Valley. Saltese Uplands Conservation Area. From parking lot off S. Henery Road. take southern trail 400 meters from trailhead. Elev. 2515 ft.
47.64° N, 117.1171° W
Coordinate Source: Specimen Label.
Open, dry, grassy steppe, in proximity to a basalt outcropping by Amelanchier alnifolia and Carex sp. Shrub, thorny, woody branches, fleshy floral tube, leaves toothed, white open flowers. Reproductive state: Flowers. Origin: Native.
EWU: 9792
A. Bear 2017_05May 7, 2017

EWU0009792.jpg
Rosaceae
38. Crataegus douglasii Lindl.
U.S.A., Oregon, Clackamas County: Coalca Landing / Rock Island.
45.314028° N, 122.6624° W
Georeferenced by Joe Riedl. Coordinate Source: Specimen Label.
Near high water mark along shore. Occasional.
HPSU: 19913
Dominic Maze 679May 9, 2017
With Olivia Duren

HPSU_019913.jpg
Rosaceae
39. Crataegus douglasii Lindl.
U.S.A., Idaho, Fremont County: Henrys Fork River at Fun Farm Bridge crossing, ca 2.5 miles E of St. Anthony. Elev. 5000 ft.
UTM Zone 12T, 449844E, 4870164N
43.982903°, -111.62540°. Datum: NAD 83. Georeferenced by Melissa Galindo.
Narrow riparian strip; with Phalaris arundinacea, Prunus virginiana, Berteroa incana, Cirsium arvense. Shrub/small trees to 10 ft. tall. Reproductive state: Flowers.
ID: 179235; ID184787
Michael Mancuso 4580Aug 25, 2017

ID184787.jpg
Rosaceae
40. Crataegus douglasii Lindl.
United States, Washington, Whitman: Smoot Hill, Hudson Biological Reserve, northeast corner of reserve. North of Rose Creek, east of animal farm.
46.83014°, -117.21018°. Datum: WGS84. Georeferenced by Fertig.
WS: 402667; WS016559
Wade R. Roberts 303May 19, 2017

WS016559.JPG
Rosaceae
41. Crataegus douglasii Lindl.
United States, Washington, Whitman: Smoot Hill, Hudson Biological Reserve. North of creek, north of barn.
46.82682°, -117.21928°. Datum: WGS84. Georeferenced by Fertig.
Slopes on northern border. South-facing slopes. https://intermountainbiota.org/portal/collections/individual/index.php?occid=31647515. Reproductive state: Flowering.
WS: 402669; WS016562
Wade R. Roberts 346May 26, 2017

WS016562.JPG
Rosaceae
42. Crataegus douglasii Lindl.
U.S.A., Idaho, Bonner County: University of Idaho Extension Land, southeast of Sandpoint Airport and directly west of Highway 95; property southeast of intersection with N Boyer Ave and E Mt View Rd. Approximately 75 acres. Elev. 638 m.
48.292253° N, 116.554057° W
Datum: WGS 84. Coordinate uncertainty: 310 meters. Georeferenced by Sarah J Jacobs. Coordinate Source: Digital Map.
Disturbed forest and openings along waterway primarily dominated by Populus trichocarpa, Thuja plicata, Abies grandis, and Acer glabrum. Area includes abandoned agricultural fields, wooded areas, swampy flats, and drier meadows.
ID: 174150; ID179521
David C. Tank 2016-012May 20, 2016
With Sarah J. Jacobs, Hannah E. Marx, Baptiste R. Journaux, Diego F. Morales-Briones

ID179521.jpg
Rosaceae
43. Crataegus douglasii Lindl.
U.S.A., Washington, Pend Oreille County: Deer Valley, west of Newport.
48.18504° N, 117.296° W
Coordinate Source: GPS.
Scrub-shrub wetland. Alnus viridis dominant with Scirpus microcarpus. Saturated organic soil with channels of running water throughout. Abundance: Common. Growth Habit: Fruiting shrub 2-5 meters tall. Site ID: NWCA16-4905. Visit #1. Collection #Q4 (QA Voucher). Reproductive state: Fruits. Origin: Native.
Patricia Johnson NWCA16-4905-V1-Q4Aug 17, 2016
WTU: 410807; WTU-V-024857

WTU-V-024857.jpg
Rosaceae
44. Crataegus douglasii Lindl.
U.S.A., Idaho, Kootenai County: CDA River next to series of ponded emergent forb wetlands and backwater channels. Elev. 2130 ft.
47.48322° N, 116.59355° W
Coordinate Source: Specimen Label.
Riparian shrubland and Reed canary grass stands. 95% cover is Spiraea and PHAR with Salix. Shrub to 5 m. No fruits. Sparse. QA voucher
SRP: 60395
Cat Weichmann NWCA16-2194Q4Aug 21, 2016

SRP060395.jpg
Rosaceae
45. Crataegus douglasii Lindl.
Canada, British Columbia: S side of Route 97, 0.4 road miles W of Falklans, Columbia-Shuswap Regional District. Elev. 595 m.
50.5° N, 119.571° W
Coordinate Source: Specimen Label.
Tickets at sunny edge of pasture, with Amelanchier alnifolia. Multi-stemmed bush 5 m tall, gray scaly bark, white flowers 13-20 mm diameter, 5--10 pink anthers, 3--5 styles, thorns 15--36 mm. Reproductive state: Flowers. Origin: Native.
Peter F. Zika 27667Apr 29, 2016
WTU: 412571; WTU-V-027080

WTU-V-027080.jpg
Rosaceae
46. Crataegus douglasii Lindl. var. douglasii
= Crataegus douglasii Lindl.
U.S.A., Idaho, Shoshone County: Coeur d\'Alene National Forest. Big Hank Campground. Elev. 830 m.
47.82511° N, 116.10471° W
Coordinate Source: GPS.
Streamside habitat. In fruit. Reproductive state: Fruits. Origin: Native.
Crystal Shin 2016-5Jul 9, 2016
With Richard G. Olmstead, Wendy McClure, Sheila Olmstead, Evan Kelly
WTU: 420518; WTU-V-047667

WTU-V-047667.jpg
Rosaceae
47. Crataegus douglasii Lindl.
U.S.A., Washington, Kittitas County: Above north end of Bettas Road, 7.7 air kilometers northeast of Bristol. Elev. 760 m.
47.178° N, 120.706° W
Coordinate Source: Specimen Label.
Brushy east-facing slope, with Purshia, Symphoricarpos, scattered Pinus ponderosa. Slightly shiny green leaves, white flowers, 10 pink anthers, thorns 25-27 millimeters, common shrub. Reproductive state: Flowers. Origin: Native.
Peter F. Zika 27640Apr 23, 2016
WTU: 410535; WTU-V-024561

WTU-V-024561.jpg
Rosaceae
48. Crataegus douglasii Lindl.
Canada, British Columbia: W side of road, 50 m S of driveway for 5135 Back Enderby Road, 1.5 air km ENE of Stepney Crossing Road bridge over Fortune Creek. Elev. 390 m.
50.501° N, 119.104° W
Coordinate Source: Specimen Label.
Dense roadside thickets by farm field, with Prunus virginiana, Crataegus douglasii, C. macrantha. Small tree-like shrubs 5 m tall, fading white flwoers 12--16 mm diameter, 10 anthers, 3--5 styles, thorns 15--23 mm; dull slightly yellow-green leaves. Reproductive state: Flowers. Origin: Native.
Peter F. Zika 27687Apr 30, 2016
With Brigitte Rozema
WTU: 412439; WTU-V-026803

WTU-V-026803.jpg
Rosaceae
49. Crataegus douglasii Lindl.
U.S.A., Washington, Thurston County: Near north shore of an unnamed pond, north of Route 101 near Evergreen Parkway Northwest, 1.8 air kilometers northwest of Simmons Lake. Elev. 50 m.
47.0435° N, 122.9724° W
Coordinate Source: Specimen Label.
Thickets in full sun or partial shade, with Physocarpus capitatus, Holodiscus discolor, Spiraea douglasii, Rubus ursinus. Uncommon shrubs 3 meters tall, fruit dark red to blackish, immature. Reproductive state: Fruits. Origin: Native.
Peter F. Zika 27988Jun 28, 2016
WTU: 413673; WTU-V-028948

WTU-V-028948.jpg
Rosaceae
50. Crataegus douglasii Lindl.
U.S.A., Idaho, Idaho County: South bank of Salmon River, southwest side of Manning Bridge, 6 air kilometers east northeast of Warm Springs Point, 13.3 road miles east of bridge in Riggins. Elev. 570 m.
45.4011° N, 116.11685° W
Coordinate Source: Specimen Label.
Steep rocky slope, north aspect, full sun, with Prunus avium. 4 meters tall shrubs, leaves dull. Reproductive state: Fruits. Origin: Native.
Peter F. Zika 27803CMay 30, 2016
WTU: 414049; WTU-V-029520

WTU-V-029520.jpg
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