WTU Herbarium Specimen Label Data Generated from the WTU Herbarium Database September 24, 2021 at 9:23 pm http://biology.burke.washington.edu/herbarium/collections/search.php

Specimen records: 11 Images: 8

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Label Query: = "Oxybasis" Amaranthaceae Oxybasis chenopodioides (L.) S. Fuentes, Uotila & Borsch Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch ssp. salina (Standl.) Mosyakin U.S.A., WASHINGTON, OKANOGAN COUNTY: Northwest end of Blue Lake. U.S.A., WASHINGTON, FRANKLIN COUNTY: Elev. 1686 ft. Scootenay Reservoir. Junction of irrigation T37N R25E S21 NE 1/4; WGS 84, uncertainty: 10000 m., Source: channel and reservoir near day-use area. GeoLocate, Georef'd by WTU Staff Elev. 288 m. With Equisetum, Eleocharis, Cardamine, and Gramineae. Growing in 46.70096° N, 119.01928° W; WGS 84, mudflat. Flowers greenish. Phenology: Fertile. Origin: Native. uncertainty: 5 m., Georef'd by Maria Yousoufian Elroy Burnett 176 2 Oct 1989 Riparian strip with Typha sp. and Phalaris arundinacea with Scirpus on north side. Locally WTU-317492 common annual in disturbed ground. Phenology: Fruits. Origin: Native. David Giblin 3286 Amaranthaceae 30 Sep 2009 Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch WTU-419036, WTU-V-041653 U.S.A., WASHINGTON, ASOTIN COUNTY: Chief Timothy Park, shore of Snake River, about 11 air kilometers west of Clarkston, near Silcott Amaranthaceae Road off Route 12. Elev. 656 ft. Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch 46° 25' N, 117° 11.2' W Annual. Phenology: Flowers. Origin: Native. U.S.A., IDAHO, CUSTER COUNTY: 3/4 mile west of Challis. Richard Old s.n. 44.504691°, -114.312056°; WGS 84, uncertainty: 1000 m., Source: GeoLocate, 2 Sep 2007 Georef'd by WTU Staff annual, tending to spread, the WTU-377318, WTU-V-036284 darker green than in 21957 and more fleshy. Phenology: Flowers. Origin: Introduced. C. L. Hitchcock 21958 Amaranthaceae with C. V. Muhlick Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch 7 Aug 1959 U.S.A., WASHINGTON, KING COUNTY: WTU-197491, WTU-V-026359 Delta of Taylor Creek at the Lake Washington shoreline, City of Seattle. King County tax parcels 8073000525 and 8073000535. Elev. 19 ft. Amaranthaceae 47.511918° N, 122.246681° W; T23N R4E S1 NW1/4 Oxybasis rubra (L.) S. Fuentes, Uotila & Borsch var. rubra The lake level of Lake Washington is managed by the U.S. Corps of Engineers and is the U.S.A., OREGON, MORROW COUNTY: reverse of what would occur naturally. Lake South shore of Columbia River, 12.0 air elevation is lowered in the winter and elevated kilometers east-southeast of northeast tip of Big in the summer. Mostly in areas without other Blalock Island. vegetation. Nearby species include Bidens sp. Elev. 80 m. (opposite compound leaves); Rumex obtusiloba; 45.9076° N, 119.4574° W; Source: Specimen Scirpus microcarpus; Mentha piperita, Plantago Label major, album, Juncus effusus, Dry to damp sandy shore, over basalt, full sun, Portulaca sp., Polygonum persicaria. Annual, with Xanthium strumarium, Cyperus strigosus, many distinctly prostrate and spreading; others Eleocharis acicularis, Lindernia dubia. Common more erect. Underside of leaves distinctly annual, turns red. USAC farinose. Common below the ordinary high Columbia River Plant Survey. Phenology: Fruits. water mark of Lake Washington in moist sand Origin: Native. and cobble. Usually growing without much other plant competition in full sun. Phenology: Peter F. Zika 29120 Flowers. Origin: Native. 21 Aug 2017 Clayton Antieau s.n. 6 Aug 2015 WTU-416837, WTU-V-036470 WTU-404658, WTU-V-013005 Amaranthaceae Amaranthaceae Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch Oxybasis rubra (L.) S. Fuentes, Uotila & Borsch var. rubra U.S.A., OREGON, MORROW COUNTY: CANADA, BRITISH COLUMBIA: South shore of Columbia River, 12.0 air Metro Vancouver, Delta, Boundary Bay, 640 m kilometers east-southeast of northeast tip of Big east of 112 Street, 100 m north of sea dyke: Blalock Island. Sewage settling ponds in agricultural field, in Elev. 80 m. nitrogen rich drying mucky margin of pond. 45.9076° N, 119.4574° W; Source: Specimen Elev. 2 m. Label 49° 5' 10.7" N, 122° 54' 13.4" W Dry to damp sandy shore, over basalt, full sun, Robust annual; young leaves modestly farinose with Xanthium strumarium, Cyperus strigosus, abaxially; horizontal seeds mostly with 5-lobed Eleocharis acicularis, Lindernia dubia, Oxybasis ; vertical seeds with mostly 3 or 4 lobed rubra. Uncommon annual, leaves white perianth, connate to near top or divided to near beneath. USAC Columbia River Plant Survey. the bottom; pericarp attached to seed but Origin: Introduced. removable with teasing; abundant all around the middle pond and present on the Peter F. Zika 29119 other two pond shores. 21 Aug 2017 Frank Lomer 10408 12 Oct 2016 WTU-416840, WTU-V-036467 WTU-422066, WTU-V-057314

Amaranthaceae Oxybasis macrosperma (Hook. f.) S. Fuentes, Uotila & Borsch U.S.A., WASHINGTON, SAN JUAN COUNTY: In salt marsh at Ewing Cover on Sucia Island. Elev. 8 ft. 48.76577° N, 122.8897° W; Source: Specimen Label Growing with Sarcocornia perennis, Distichlis spicata, and Atriplex. Phenology: Fertile. Origin: Introduced. Jeff Walker 1104 7 Sep 2018 WTU-418671, WTU-V-040371

Amaranthaceae Oxybasis rubra (L.) S. Fuentes, Uotila & Borsch var. rubra U.S.A., OREGON, MORROW COUNTY: Umatilla National Wildlife Refuge, McCormack Unit. 45.897872° N, 119.587014° W; WGS 84, Source: GPS Occasional on low berm near pond with Echinochloa, Bidens cernua, Phalaris arundinacea, Leersia oryzoides. Leaves and stems bright red. Phenology: Fruits. Origin: Introduced. Peter Dunwiddie PWD-19-204 26 Jul 2019 with Peter Zika Herbarium: WTU

Amaranthaceae Oxybasis glauca (L.) S. Fuentes, Uotila & Borsch ssp. glauca U.S.A., OREGON, MORROW COUNTY: Oregon Dept. of Fish and Wildlife viewing area ca. 5.8 miles west of Umatilla. 45.904765° N, 119.463816° W; WGS 84, Source: GPS In damp sand beach along river. Uncommon, sepals distinct to near base, seeds horizontal. Phenology: Fruits. Origin: Native. Peter F. Zika PWD-19-539 12 Aug 2019 with Peter Dunwiddie Herbarium: WTU