Euploca queretaroana (I.M. Johnst.) J.I.M. Melo Euploca queretaroana (I.M. Johnst.) J.I.M. Melo in Harvard Pap. Bot. 22(2): 126. 2017 sec. POWO 2019≡Heliotropium queretaroanum I.M. Johnst. in J. Arnold Arbor. 29: 230. 1948 syn. sec. POWO 2019