Children (4 direct children, 4 direct and indirect children):
Eriogonum longifolium var. gnaphalifolium
Longleaf buckwheat
Eriogonum longifolium var. harperi
Harper's buckwheat
Eriogonum longifolium var. lindheimeri
Eriogonum longifolium var. longifolium
Longleaf buckwheat