Dieterlea fusiformis E.J. Lott Dieterlea fusiformis E.J. Lott in Brittonia. 38(4): 407-410, f. 1. 1986 sec. Lira & Rodríguez-Arévalo 2006=Ibervillea fusiformis (Lott) Kearns in Madroño 41(1): 15. 1994 syn. sec. Lira & Rodríguez-Arévalo 2006