Bailey's Buckwheat: Eriogonum baileyi var. baileyi (Synonym: Eriogonum vimineum var. baileyi) - Historical records on bluffs east of Umatilla, OR.
Arrowleaf Buckwheat, Heart-leaf Buckwheat, Northern Buckwheat Eriogonum compositum var. compositum (Synonyms: Eriogonum compositum var. citrinum, Eriogonum compositum var. pilicaule, Eriogonum johnstonii, Eriogonum pilicaule) -
Arrowleaf Buckwheat, Northern Buckwheat, Smooth Arrow-leaf Wild Buckwheat: Eriogonum compositum var. leianthum (Synonym: Eriogonum tolmieanum) -
Douglas' Buckwheat Eriogonum douglasii var. douglasii
Rush Buckwheat, Tall Buckwheat Eriogonum elatum var. elatum (Synonym: Eriogonum elatum var. limonifolium)
Piper's Buckwheat, Piper's Golden Buckwheat, Piper's Wild Buckwheat: Eriogonum flavum var. piperi (Synonyms: Eriogonum androsaceum, Eriogonum flavum ssp. piperi, Eriogonum flavum var. linguifolium, Eriogonum piperi) ? - This may be a new variety of Eriogonum flavum ?
Parsnipflower Buckwheat, Wyeth Buckwheat: Eriogonum heracleoides var. heracleoides (Synonym: Eriogonum angustifolium, Eriogonum heracleoides var. angustifolium, Eriogonum heracleoides var. minus) - Found near the Columbia River east of the John Day River.
Snow Buckwheat Eriogonum niveum (Synonyms: Erigonum niveum var. decumbens, Eriogonum niveum var. niveum)
Rock Buckwheat, Round-headed Buckwheat Eriogonum sphaerocephalum var. sphaerocephalum (Synonyms: Eriogonum faciculifolium, Eriogonum geniculatum, Eriogonum sphaerocephalum var. geniculatum)
Scabland Wild Buckwheat: Eriogonum sphaerocephalum var. sublineare (Synonyms: Eriogonum douglasii var. sublineare, Eriogonum douglasii var. tenue)
Goose Lake Wild Buckwheat: Eriogonum strictum var. anserinum (Synonyms: Eriogonum anserinum, Eriogonum flavissimum, Eriogonum ovalifolium ssp. flavissimum, Eriogonum proliferum ssp. anserinum, Eriogonum stricum ssp. anserinum, Eriogonum strictum ssp. proliferum var. anserinum, Eriogonum strictum var. flavissimum)
Blue Mountain Buckwheat, Proliferous Wild Buckwheat, Strict Buckwheat Eriogonum strictum var. proliferum (Synonyms: Eriogonum fulvum, Eriogonum ovalifolium var. proliferum, Eriogonum proliferum, Eriogonum strictum ssp. bellum, Eriogonum strictum ssp. proliferum, Eriogonum strictum ssp. proliferum var. proliferum, Eriogonum strictum var. argenteum)
Blue Mountain Buckwheat, Strict Buckwheat, Strict Wild Buckwheat: Eriogonum strictum var. strictum (Synonym: Eriogonum strictum ssp. proliferum var. glabrum, Eriogonum strictum ssp. strictum)
Thyme Buckwheat, Thyme-leaf Wild Buckwheat, Thyme-leaved Buckwheatt Eriogonum thymoides (Synonyms: Eriogonum sphaerocephalum ssp. minimum, Eriogonum thymoides ssp. congestum)
Haussknecht's Buckwhea, Haussknecht's Sulphur Flowert: Eriogonum umbellatum var. haussknechtii - Collected in the early 1900s by Wilhelm Suksdorf on cliffs above SR 14 between Drano Lake and Cooks, WA.
Sulfur-flower Buckwheat Eriogonum umbellatum var. umbellatum (Synonym: Eriogonum umbellatum var. sandbergii?)
Broom Buckwheat, Wickerstem Buckwheat, Wire-stem Buckwheat Eriogonum vimineum (Synonyms: Eriogonum vimineum var. shoshonense, Eriogonum vimineum var. vimineum)