Eriogonum elongatum Benth. Eriogonum elongatum Benth., Bot. Voy. Sulphur: 45-46. 1844 sec. Flora of North America Editorial Committee (ed.) 2005=Eriogonum elongatum var. areorivum Reveal, Brittonia 28: 338. 1976 syn. sec. Ulloa Ulloa & al. 2018