U.S.A., Washington, Thurston County: Yelm Park, Nisqually River. Elev. 300 ft.
46.976° N, 122.644° W
Datum: WGS 84. Coordinate Source: GPS.

Lowland riparian forest. Sandy loam soil. With Pseudotsuga menziesii, Populus trichocarpa, Alnus rubra, Acer macrophyllum, Fraxinus latifolia. Uncommon. Reproductive state: Flowers. Origin: Native.

U.S.A., Washington, Grays Harbor County: Tidally influenced alder forest located off Peel’s Slough of the Chehalis River near Montesano.
47.958772° N, 123.634956° W
Invalid coordinates (located outside county bounds).

Moist, full shade, fresh water tidal surge plain wetland/riparian shrub-forest Common, forb, rhizomes, erect; only fruits. Reproductive state: Fruits. Origin: Native.

U.S.A., Oregon, Clackamas County: Clackamas River. Bonnie Lure State Natural Area. Elev. 250 ft.
45.347994°, -122.38286°. Datum: WGS 84. Georeferenced by Dominic Maze. Coordinate Source: Digital Map.

Boggy river side. With partial Populus, Fraxinus, Acer macrophyllum overstory. Occasional Reproductive state: Flowers. Origin: Native.

U.S.A., Washington, Cowlitz County: Highway 4 opposite of Willow Grove Island, north side of highway. Elev. 5 m.
46.1885° N, 123.09677° W
Datum: WGS 84. Coordinate uncertainty: 20 meters. Coordinate Source: GPS.

Forested wetland with Lysichiton americanus, Athyrium-filix-femina, and Dicentra formosa common. Uncommon in saturated soil; corollas white. Reproductive state: Flowers and Fruits. Origin: Native.

United States, Washington, Grays Harbor: Pacific Coast Range: Preacher Slough Trail (old railroad bed) along south boundary of Chehalis River Surge Plain Natural Area Preserve, 3 air miles SW of Montesano. T17N R8W S23 NE4 NW4 SW4. Elev. 20 ft
46.94352°, -123.65225°.

Edge of trail in Alnus rubra, Picea sitchensis, Tsuga heterophylla, Acer macrophyllum, and Sambucus racemosa forest. Understory of Rubus ursinus, Tellima grandiflora, Rubus spectabilis, Claytonia sibirica, and Ranunculus repens. Soil loamy clay, moist. HerbariumSpecimenDuplicate: Cardamine angulata Rhizomatous perennial. Uncommon. https://intermountainbiota.org/portal/collections/individual/index.php?occid=31317100. Reproductive state: Flowering & Fruiting.

United States, Washington, Grays Harbor: Pacific Coast Range: Preacher Slough Trail (old railroad bed) along south boundary of Chehalis River Surge Plain Natural Area Preserve, 3 air miles SW of Montesano. T17N R8W S23 NE4 NW4 SW4. Elev. 20 ft
46.94352°, -123.65225°.

Edge of trail in Alnus rubra, Picea sitchensis, Tsuga heterophylla, Acer macrophyllum, and Sambucus racemosa forest. Understory of Rubus ursinus, Tellima grandiflora, Rubus spectabilis, Claytonia sibirica, and Ranunculus repens. Soil loamy clay, moist. https://intermountainbiota.org/portal/collections/individual/index.php?occid=33280421. Reproductive state: Fruiting.

U.S.A., Oregon, Columbia County: Scapoose watershed, Gourley Creek off Otto Miller Rd.
45.735684° N, 122.958735° W
Coordinate Source: Specimen Label.

Forested Creekside and wet slopes. Reproductive state: Flowers.

U.S.A., Oregon, Clackamas County: Barton.
45.384199° N, 122.413407° W
Coordinate Source: Specimen Label.

Riparian forest. Small population.

U.S.A., Oregon, Clackamas County: S of Estacada in Mount Hood National Forest.
45.114772° N, 122.281801° W
Datum: WGS 84. Coordinate Source: Specimen Label.

Forest roadside ditch. Reproductive state: Flowers and Fruits. Origin: Native.

U.S.A., Oregon, Clackamas County: Mt. Hood National Forest, off NF-45 900 air km NW of junction with NF-4540.
45.114772° N, 122.2818801° W
Coordinate Source: Specimen Label.

Forest roadside ditch. Reproductive state: Fruits. Origin: Native.

United States, Oregon, Benton: Along a creek intersecting FR 700, Soap Creek Drainage, McDonald Forest. Elev. 175
44.642911°, -123.3258°. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 125011, StateProvince: Oregon, County: Benton, LocName: Lat 44 Deg 38 Min 34.481 Sec; Lon -123 Deg 19 Min 32.88 Sec. OregonFlora 1994-2020 methodology.

Rocky soil at the creek margins. Mitella caulescens, Petasites frigidus var. palmatus, Geranium robertianum, Acer circinatum, Acer macrophyllum, Polystichum munitum, Maianthemum racemosum, Maianthemum stellatum, Rubus parviflorus, Tolmiea diplomenziesii, Delphinium trolliifolium, Rubus spectabilis, Equisetum https://oregonflora.org/collections/individual/index.php?occid=2310056.

U.S.A., Washington, Lewis County: Ceres Hill Road, at a switchback on slope near west end of road, 15 air km southwest of Chehalis. Site ID: BSL-1152. Elev. 170 m.
46.61591° N, 123.15625° W
Datum: WGS 84. Coordinate uncertainty: 4 meters. Coordinate Source: GPS.

Wet roadside ditch in mixed conifer-deciduous forest, with Equisetum telmateia, Rubus spectabilis. Petals white; stems erect; plants with branching rhizomes, scattered in wet soil of ditch. Reproductive state: Flowers and Fruits.

U.S.A., Washington, Thurston County: Capitol State Forest: along C-Line Road. Site ID: BSL-0974. Elev. 390 m.
47.01112° N, 123.11919° W
Datum: WGS 84. Coordinate uncertainty: 12 meters. Georeferenced by Ben Legler. Coordinate Source: GPS.

Wet ditch under edge of conifer forest. Petals white; plants rhizomatous, common in saturated soil. Photographed. Reproductive state: Flowers.

U.S.A., Alaska: [locality and coordinates withheld; status in Alaska: S1S2 (Imperiled; ACCS)]. Site ID: F1.4-003. Elev. 86 m.

Forested wetland on small floodplain in flood courses and pools; mostly dry with several small pools still with water

U.S.A., Alaska: [locality and coordinates withheld; status in Alaska: S1S2 (Imperiled; ACCS)]. Site ID: F1.4-003. Elev. 86 m.

Forested wetland on small floodplain in flood courses and pools; mostly dry with several small pools still with water

U.S.A., Alaska: [locality and coordinates withheld; status in Alaska: S1S2 (Imperiled; ACCS)] Elev. 86 m.

Forested wetland on small floodplain in flood courses and pools; mostly dry with several small pools still with water

United States of America, Oregon, Multnomah County: Powell Butte Nature Park: Just upstream from Deardorff Creek or Johnson Creek. Elev. 600
45.484727°, -122.50908°. Datum: WGS84.

U.S.A., Oregon, Multnomah County: Along the Wildwood Trail 200-1000 yards past the entrance to the Wildwood Trail at NW Upshur Street along Balch Creek. Elev. 75 ft.
45.533043°, -122.71455°. Datum: WGS 84. Coordinate uncertainty: 287 meters. Georeferenced by Hannah Machiorlete. Coordinate Source: Digital Map.

Heavily traveled nature trail in a large urban park. Flowers white.

U.S.A., Oregon, Clackamas County: 4 mi. S of West Linn, 1.5 mi. S of Willamette Park, Willamette Narrows. Elev. 50
45° 18\' 53" N, 122° 40\' 3" W
Coordinate uncertainty: 500 meters. Georeferenced by Char Corkran. Coordinate Source: Specimen Label.

[no habitat data]

U.S.A., Washington, Clark County: Washougal, about 6 miles north of Highway 14; 512 NE 302nd Ave, 98671.
45° 37\' 32.6" N, 122° 21\' 49" W

A marginally shaded, grassy area, about 10 ft from a stream; assoc. species: grasses, snowberry and pines. A perennial herb standing about 36 cm tall; a single stem arising from base with lobed trifoliate leaves; inflorescence is a raceme of white flowers. Plant is distributed sporadically throughout grass.

U.S.A., Washington, Clark County: WSU Vancouver campus, nature trail. Elev. 63 m.
45° 44\' 6.3" N, 121° 37\' 45.1" W
Datum: WGS 84. Coordinate uncertainty: 218 meters. Georeferenced by John Christy. Coordinate Source: Digital Map. Coordinates on label incorrect.

Riparian zone of Mill Creek. 70 cm tall from rhizomes; leaves trifoliate, leaflets palmately lobed, mostly on stalk; flowers white and arranged as a raceme. Associated species: Glechoma hederacea, Tellima grandiflora, Tolmiea menziesii, Hydrophyllum tenuipes, Dicentra formosa, Douglas fir, western red cedar, sword fern, bracken fern, stinging nettle; perennial herb up to 70 cm tall from rhizomes, mustard oils.

U.S.A., Oregon, Tillamook County: Along stream at Short Sands; trail from parking to beach.

Moist forest and stream banks; low elevation. Height: 40 cm; fruit is a silique; perennial with slender rhizomes; flower color: white. Associated species: Polystichum munitum, Athyrium filixfemina, Symphoricarpos albus, Pseudotsuga menziesii.

U.S.A., Oregon, Lincoln County: YWCA Camp Westwind, about 3 miles west of Hwy 101 at end of Fraser Road (service road), about 9 miles north of Lincoln City; on Fraser Road.
T06S R11W S23

In very moist sitka spruce habitat; coast range ecoregion. Wood bittercress.

United States, Washington, Thurston: Scatter Creek State Wildlife Area, west segment, about 0.8 kilometers north of main entrance at point where powerline bisects oak grove.
46.80139°, -123.09806°.

Associated taxa: Montia, Cardamine, Rosa, Phalaris, Circium. https://intermountainbiota.org/portal/collections/individual/index.php?occid=30904209. Reproductive state: flowering.

U.S.A., Washington, Wahkiakum County: 4 miles north of Oneida, along Deep River Valley Road ca. 1.5 miles north of junction with Anderson road. Elev. 50 ft.
46° 22\' 43.5" N, 123° 40\' 8.9" W
Coordinate uncertainty: 200 meters.

Wet deciduous forest along small stream, dominated by Alnus rubra, Rubus spectabilis, Lysichiton americanum. Petals white, ca 9 mm; uncommon along creek. Reproductive state: Flowers. Origin: Native.

U.S.A., Washington, Pacific County: SW side of Route 6, ca. 1.5 miles SE of Raymond. Elev. 164 ft.
46° 40.2\' N, 123° 41.7\' W; T14N R8W S29

Wet ditch, full sun with Scirpus microcarpus, Equisetum telmateia, Athyrium filix-femina, grasses. Rhizomatous, rotate white flowers, petals 9-10mm long; common. Origin: Native.

U.S.A., Washington, Pacific County: The Nature Conservancy\'s Ellsworth Creek Preserve, 5 miles northwest of Naselle along upper Ellsworth Creek. Elev. 180 ft.
46° 22\' 59.8" N, 123° 52\' 44.3" W
Datum: WGS 84. Coordinate uncertainty: 2000 meters. Georeferenced by Jim Duemmel. Coordinate Source: Digital Map.

Old growth forest on east side and young second growth on west side; with Picea sitchensis, Tsuga heterophylla, Alnus rubra; over sandstone bedrock. Large white flowers approximately 3 mm; common on gravel bars of creek. Reproductive state: Flowers & Fruits. Origin: Native.

U.S.A., Washington, Pacific County: The Nature Conservancy\'s Ellsworth Creek Preserve. Waypoint #36. Along trail in forest tract just above logging spur road. Elev. 161 ft.
46° 23.68\' N, 123° 53.054\' W

Creekside along Ellsworth Creek. Reproductive state: Flowers & Fruits. Origin: Native.

U.S.A., Washington, Pacific County: Southwest side of Route 1010, south shore of Willapa River, circa 2 miles west of South Bend. Pottter Slough. Elev. 6 ft.
46° 40.9\' N, 123° 49.5\' W; T14N R9W S20

With Alnus rubra, Cytisus scoparius. White rotate fragrant flowers, petals 13-14 millimeters; rhizome shallow, green, 31 centimeters where broken; most leaves with 5 leaflets, only disatl with 3 \; sunny wet depression. [Sheet 1 of 2]. Reproductive state: Flowers & Fruits. Origin: Native.

U.S.A., Washington, Pacific County: Southwest side of Route 1010, south shore of Willapa River, circa 2 miles west of South Bend. Pottter Slough. Elev. 6 ft.
46° 40.9\' N, 123° 49.5\' W; T14N R9W S20

With Alnus rubra, Cytisus scoparius. White rotate fragrant flowers, petals 13-14 millimeters; rhizome shallow, green, 31 centimeters where broken; most leaves with 5 leaflets, only disatl with 3 \; sunny wet depression. [Sheet 2 of 2]. Reproductive state: Flowers & Fruits. Origin: Native.

U.S.A., Oregon, Columbia County: Stonebrook Road 0.2 miles from Leberg Road, between Warren and Scappoose. Bank of Honeyman Creek.
45° 47.7\' N, 122° 53\' W; T3N R1W S36

Moist soil, shade of Alnus ribra, with Urtica, Equisetum temateia, Athyrium filix-femina, hydrophyllum, Oxalis, Phalaris. Rhizome horizontal, 15-30 centimeters x 2-2.2 millimeters thick; white flowers, petals 9-10 millimeters long, rotate, 6 stamens (selfs). Reproductive state: Flowers. Origin: Native.

U.S.A., Oregon, Columbia County: Stonebrook Road 0.2 miles from Leberg Road, between Warren and Scappoose. Bank of Honeyman Creek.
45° 47.7\' N, 122° 53\' W; T3N R1W S36

Moist soil, bank of creek, shade of Alnus rubra, with Urtica, Equisetum temateia, Athyrium filix-femina, Hydrophyllum, Oxalis, Phalaris. Rhizome horizontal, 15-30 centimeters x 2-2.2 millimeters thick; white flowers, petals 9-10 millimeter long, rotate, 6 stamens (selfs). Reproductive state: Flowers. Origin: Native.

United States, Washington: Pacific County. The Nature Conservancy’s Ellsworth Creek Preserve. Waypoint #36. Along trail in forest track just above logging spur road. Elev. 49 m/161 ft
46.394667°, -123.88423°.

Creekside along Ellsworth Creek. Fide: H&C.

United States, Washington, Pacific: The Nature Conservancy\'s Ellsworth Creek Preserve; waypoint #36; along trail in forest tract just above logging spur road; creekside along Ellsworth Creek. Elev. 161 ft.
46.394667°, -123.88423°. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 117336, StateProvince: Washington, County: Pacific, LocName: Lat 46 Deg 23.68 Min; Lon -123 Deg 53.054 Min. OregonFlora 1994-2020 methodology.

Along trail in forest tract just above logging spur road; creekside along Ellsworth Creek. HerbariumSpecimenDuplicate: Cardamine angulata https://oregonflora.org/collections/individual/index.php?occid=1067976.

United States, Washington, Pacific: The Nature Conservancy\'s Ellsworth Creek Preserve, 5 miles northwest of Naselle along upper Ellsworth Creek. Elev. 180 ft.
46.383278°, -123.87897°. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 117343, StateProvince: Washington, County: Pacific, LocName: Lat 46 Deg 22 Min 59.8 Sec; Lon -123 Deg 52 Min 44.3 Sec. OregonFlora 1994-2020 methodology.

Old growth forest on east side and young second growth on west side; over sandstone bedrock; on gravel bars of creek. HerbariumSpecimenDuplicate: Cardamine angulata https://oregonflora.org/collections/individual/index.php?occid=1074465.

U.S.A., Washington, JEFFERSON County: Permanent plot: Queets 2 (west of Ranger Station) Elev. 270 ft.
UTM Zone 10, 422500E, 5274000N; T.24 . __R. 10 . __Sec. 2. __ __ __

Alder flatSubstrate: sandLandform: flood plainWhite flower when fresh 1 plant w/ leaves, flowers, roots; flower in packet.; Det. BUG 3/12/2008

U.S.A., Washington, Columbia County: Southeast of town of Clatskanie, between Swedentown Road and Keystone Creek. Elev. 129 m.
46.071833°, -123.1428333°
Invalid coordinates (located outside county bounds).

With Alnus, Acer, Sambucus, Tellima. Origin: N.

U.S.A., Washington, Pacific County: Ellsworth Creek watershed.
T10N R10W S2
46.382778°, -123.88111°. Datum: NAD 27. Coordinate uncertainty: 1000 meters. Georeferenced by WTU Staff. Coordinate Source: Georeferenced.

Old-growth forest (Tsuga heterophylla, Thuja plicata, Picea sitchensis), with Gaultheria shallon, Blechnum spicant, Oxalis oregana, Lysichiton americanum. Reproductive state: Fruits. Origin: Native.

Canada, British Columbia, Queen Charlotte Islands: [locality and coordinates withheld; status in British Columbia: S2S3 (Rare, Blue List; BCCDC)] Elev. 50 m

Population of ca. 60 plants. Conservation Status:CDC: Red.

Canada, British Columbia, Vancouver Island: [locality and coordinates withheld; status in British Columbia: S2S3 (Rare, Blue List; BCCDC)] Elev. 5 m

Conservation Status:CDC: Red.

U.S.A., Washington, Pierce County: Fort Lewis, Nisqually River east of Carter woods approx. 1 mile S of fish hatchery. Elev. 98 ft.
525900E, 5207300N
47.01266°, -122.66057°. Datum: WGS 84. Coordinate uncertainty: 500 meters. Georeferenced by WTU Staff. Coordinate Source: GeoLocate.

In woods adjoining spring/creek. Aspect 240 degrees, slope 10%. Substrate sandy loam or gravel. Assoc. spp: Athyrium felix-femina, Acer circinatum, Rubus parviflorum, Montia siberica, Equisetum telmaetia, Pseudotsuga menziezii, Oxalis trillifolia, Mertensia platyphylla, Lysichitum americanum, Montia sibirica, Dicentra formosa. Plants scattered/common on wet gravel sites wherever springs exit hillsides. Reproductive state: Flowers & Fruits. Origin: Native.

United States, Washington, Pierce: Along spring/creek on east side of Nisqually River east of Carter woods approximately 1 mile south of fish hatchery. Elev. 30

Aspect 240 degrees; slope 10%; substrate gravel; on wet gravel sites wherever springs exit hillsides. HerbariumSpecimenDuplicate: Cardamine angulata https://oregonflora.org/collections/individual/index.php?occid=1067605.

Canada, British Columbia: [locality and coordinates withheld; status in British Columbia: S2S3 (Rare, Blue List; BCCDC)]

In heavy humus litter, densely shaded coniferous forest.

United States, Oregon, Lane: N of Florence, Lily Lake.
44.0925°, -124.1153°. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 8821, StateProvince: Oregon, County: Lane, LocName: Lily Lake, Lane Co.. OregonFlora 1994-2020 methodology.

None. https://oregonflora.org/collections/individual/index.php?occid=4434926. Reproductive state: flowering and fruiting. Origin: wild collection.

U.S.A., Washington, CLALLAM County: Dungeness River, 1 mi. W of Sequim Elev. 275 ft.

moist riparian forest 1 plant w/ roots, leaves, and flowers, and 2 plants w/ roots and leaves; Det. TISCH, EDWARD L.

United States, Oregon, Lincoln: Foothills of the Oregon Coast Range; Nashville, ca 3 air mi W of summit, adjacent to Southern Pacific Rail Line. Elev. 700 ft.
44.64419°, -123.64805°. Datum: NAD83. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 11953, StateProvince: Oregon, County: Lincoln, LocName: 11S 08W 03. OregonFlora 1994-2020 methodology.

Closed canopy Douglas fir/bigleaf maple forest. Cardamine breweri https://oregonflora.org/collections/individual/index.php?occid=4434794. Reproductive state: flowering. Origin: wild collection.

Canada, British Columbia: [locality and coordinates withheld; status in British Columbia: S2S3 (Rare, Blue List; BCCDC)] Elev. 30\'

Thick black rich mud, wet, marshy. Dominant vegetation Tsuga heterophylla, skunk cabbage, Picea sitchensis, twisted stalk, and Maianthemum dilatatum. 45 cm tall, white flowers. 1 duplicate.

U.S.A., Oregon, Tillamook County: Cascade Head Preserve.
45.0511° N, 123.9789° W

United States, Oregon, Yamhill: Along North Fork Trask Road .2 miles north of the Neverstill site, in the coast range. Elev. 498
45.42642°, -123.37104°. Datum: NAD83. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 97326, StateProvince: Oregon, County: Yamhill, LocName: 02S 06W 01. OregonFlora 1994-2020 methodology.

On a very wet road bank. Alnus, Rubus spectabilis, Equisetum, Lysichitum, Acer, Pseudotsuga, Gaultheria, Polystichum https://oregonflora.org/collections/individual/index.php?occid=4435180. Reproductive state: flowering. Origin: wild collection.

U.S.A., Oregon, Tillamook County: Between Pacific City and Dolph.
45.156829°, -123.86676°. Datum: WGS 84. Coordinate uncertainty: 8347 meters. Georeferenced by Deanna Michinski. Coordinate Source: Digital Map.

Roadside, below rock wall with small waterfall adjacent. Flower color: white. Associated species: Saxifraga mertensiana, Corydalis scouleri.