Tradescantia occidentalis (Britton) Britton Tradescantia occidentalis (Britton) Britton in Mem. New York Bot. Gard. 1: 87. 1900 sec. Espejo-Serna & López-Ferrari 2008≡Tradescantia virginiana var. occidentalis Britton, Ill. fl. n. U. S. 1: 377. 1896 syn. sec. Espejo-Serna & López-Ferrari 2008