Arrowleaf Buckwheat, Heartleaf Buckwheat, Northern Buckwheat: Eriogonum compositum var. compositum (Synonyms: Eriogonum compositum var. citrinum, Eriogonum compositum var. pilicaule, Eriogonum johnstonii, Eriogonum pilicaule) -
Arrowleaf Buckwheat, Northern Buckwheat, Wild Buckwheat: Eriogonum compositum var. lancifolium (Synonym: Eriogonum compositum ssp. lancifolium) -
Arrowleaf Buckwheat, Northern Buckwheat, Smooth Arrow-leaf Buckwheat, Smooth Arrow-leaf Wild Buckwheat: Eriogonum compositum var. leianthum -
Douglas Buckwheat: Eriogonum douglasii var. douglasii (Synonym: Eriogonum caespitosum var. douglasii) -
Barestem Buckwheat, Bare-stem Buckwheat, Naked Buckwheat, Naked Wild Buckwheat, Tall Buckwheat: Eriogonum elatum var. elatum (Synonym: Eriogonum elatum var. limonifolium) -
Bractless Parsnip-flowered Wild Buckwheat, Parsnip-flower Buckwheat, Parsnip-flowered Eriogonum: Eriogonum heracleoides (Synonyms: Eriogonum angustifolium, Eriogonum caespitosum ssp. ramosum, Eriogonum heracleoides var. angustifolium, Eriogonum heracleoides var. heracleoides, Eriogonum heracleoides var. leucophaeum, Eriogonum hercleoides var. minus) -
Marumleaf Buckwheat, Marum-leaf Buckwheat, Marum-leaf Wild Buckwheat, Mountain Buckwheat, Sierra Buckwheat, Sierra Eriogonum: Eriogonum marifolium var. marifolium (Synonyms: Eriogonum cupulatum, E. marifolium var. apertum) -
Barestem Buckwheat, Naked Wild Buckwheat, Tall Buckwheat: Eriogonum nudum var. nudum (Synonym: Eriogonum latifolium var. parvulum) -
Harford's Wild Buckwheat, Naked Buckwheat: Eriogonum nudum var. oblongifolium -
Naked Buckwheat, Port Orford Wild Buckwheat: Eriogonum nudum var. paralinum -
Fremont's Wild Buckwheat, Naked Buckwheat: Eriogonum nudum var. pubiflorum -
Oval-leaf Buckwheat, Oval-leaved Buckwheat, Cushion Buckwheat, Sierran Cushion Wild Buckwheat: Eriogonum ovalifolium var. nivale -
Cushion Wild Buckwheat: Eriogonum ovalifolium var. ovalifolium (Synonyms: Eriogonum ovalifolium var. multiscapum, Eriogonum ovalifolium var. nevadense, Eriogonum ovalifolium var. ovalifolium) -
Cusion Buckwheat, Purple Cushion Wild Buckwheat: Eriogonum ovalifolium var. purpureum (Synonyms: Eriogonum davisinum, Eriogonum orthocaulon, Eriogonum ovalifolium ssp. purpureum, Eriogonum ovalifolium var. celsum, Eriogonum ovalifolium var. orthocaulon, Eucycla purpurea) -
Alpine Buckwheat, Dirty Socks: Eriogonum pyrolifolium var. coryphaeum (Synonyms: Eriogonum pyrolaefolium var. coryphaeum, Eriogonum pyrolifolium var. bellingeranum) -
Oarleaf Buckwheat, Pumice Buckwheat, Shasta Wild Buckwheat: Eriogonum pyrolifolium var. pyrolifolium -
Redding's Wild Buckwheat, Spurry Buckwheat: Eriogonum spergulinum var. reddingianum -
Halimium Wild Buckwheat, Rock Buckwheat: Eriogonum sphaerocephalum var. halimioides (Synonyms: Eriogonum fruticulosum, Eriogonum halimioides) -
Rock Buckwheat, Round-headed Eriogonum: Eriogonum sphaerocephalum var. sphaerocephalum (Synonym: Eriogonum spherocephlum vr. geniculatum) -
Scabland Wild Buckwheat: Eriogonum sphaerocephalum var. sublineare (fynonym: 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 strictum ssp. 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) -
Bllue Mountain Buckwheat, Strict Buckwheat, Strict Wild Buckwheat: Eriogonum strictum vr. strictum (Synonyms: Eriogonum strictum ssp. strictum, Eriogonum strictum var. glabrum) -
Thyme Buckwheat, Thymeleaf Buckwheat, Thyme-leaved Buckwheat: Eriogonum thymoides (Synonyms: Eriogonum sphaerocephalum ssp. minimum, Eriogonum thymoides ssp. congestum) -
Sulphur Flower Buckwheat, One-eyed Sulphur Flower: Eriogonum umbellatum var. argus -
Bicolor Sulphur Flower, Sulphur Flower Buckwheat: Eriogonum umbellatum var. dichrocephalum (Synonym: Eriogonum umbellatum var. aridum) -
American Valley Sulphur Flower, Sulphur Flower Buckwheat: Eriogonum umbellatum var. dumosum (Synonyms: Eriogonum umbellatum ssp. polyanthum, Eriogonum umbellatum var. polyanthum, Eriogonum umbellatum var. speciosum) -
Goodman's Sulphur Flower: Eriogonum umbellatum var. goodmanii -
Haussknecht's Buckwheat, Haussknecht's Sulphur Flower, Sulfur-flower Buckwheat: Eriogonum umbellatum var. haussknechtii (Synonyms: Eriogonum haussknechtii, Eriogonum montanum, Eriogonum umbellatum ssp. haussknechtii, Eriogonum umbellatum var. hausknechtii) -
Sulfur Flower: Eriogonum umbellatum var. hypoleium (Synonym: Eriogonum umbellatum ssp. hypoleium) -
Sublpine Sulfur Flower, Sulphur Flower Buckwheat: Eriogonum umbellatum var. majus (Synonyms: Eriogonum subalpinum, Eriogonum umbellatum ssp. majus, Eriogonum umbellatum ssp. subalpinum, Eriogonum umbellatum var. subalpinum) -
Modoc Sulphur Flower: Eriogonum umbellatum var. modocense (Synonym: Eriogonum umbellatum var. polyanthum) -
Nelson's Buckwheat: Eriogonum umbellatum var. nelsoniorum -
Nevada Buckwheat, Nevada Sulphur Flower: Eriogonum umbellatum var. nevadense -
Sandberg's Sulfur Flower, Sandberg's Sulphur Flower: Eriogonum umbellatum var. sandbergii
Common Sulphur Flower, Sulphur-flower Buckwheat: Eriogonum umbellatum var. umbellatum -
Acker Rock Wild Buckwheat: Eriogonum villosissimum -
Wickerstem Buckwheat, Broom Buckwheat: Eriogonum vimineum (Synonyms: Eriogonum shoshonense, Eriogonum vimineum ssp. shoshonense, Eriogonum vimineum var. shoshonense, Eriogonum vimineum var. vimineum) -