Senecio pelolepis I.M. Johnst. in Contr. Gray Herb. 85: 169. 1929.

Holotypus: CHILE. Reg. Atacama: Vallenar, river valley below Paso de Sancarrón, Junta del Medio, 29º22'S 70º05'W, 2900 m, 16.I.1926, Johnston 6220 (GH [GH00012175] image!; iso-: K [K000484050] image!).

Notes. – The name Senecio pelolepis is retrieved for the taxonomic entity hitherto known as S. micropifolius . This species is distributed in the Andes of Coquimbo and expected in southern Atacama.

Additional specimens examined. – CHILE. Reg. Atacama: Vallenar, below Los Cuartitos [corresponds to Reg. Coquimbo], 29°38'S 70°10' W, 3300 m, 17.I.1926, Johnston 6231 (US). Reg. Coquimbo: cordillera de la provincia de Coquimbo, Baños del Toro, quebrada del Toro, 3600 m, 20.I.1936, Cabrera 3559 (LP); Ovalle, cordillera del río Hurtado, 3000 m, I.1933, Iribarren s.n. (G); sine loco, s.d., Gay s.n. (G).