Solomon's plume

Maianthemum racemosum (treacleberry, feathery false lily of the valley, false Solomon's seal, Solomon's plume or false spikenard; syn. Smilacina racemosa, Vagnera racemosa) is a species of flowering plant native to North America. It is a common, widespread plant known from every US state except Hawaii, and from every Canadian province and territory except Nunavut, as well as from Mexico.