"Magnoliopsida" . . "Plantae" . . "Churchill Narrows Buckwheat" . . . . "Magnoliophyta" . . . . "Polygonaceae" . . "Reveal, J. Reynolds and Picciani" . "Caryophyllales" . "Eriogonum diatomaceum Reveal, J. Reynolds and Picciani" . "Eriogonum diatomaceum" . . "Eriogonum" . .