"S. Watson" . "Plantae" . . . . . . . "Caryophyllales" . "Eriogonum thompsoniae" . . "Polygonaceae" . "Eriogonum thompsoniae S. Watson" . "Thompson's Buckwheat" . "Magnoliopsida" . . . "Magnoliophyta" . . . . . "Eriogonum" .