Lappula redowskii var. desertorum (Greene) I.M. Johnst. Lappula redowskii var. desertorum (Greene) I.M. Johnst. in Contr. Arnold Arbor. 3: 93. 1932 sec. Campos-Ríos & Lira-Charco 2008≡Lappula desertorum Greene in Pittonia 4: 95. 1899 syn. sec. Campos-Ríos & Lira-Charco 2008