Encelia tenuis Fernald accepted as Simsia tenuis (Fernald) S.F.Blake (original description)
Pectis ambigua Fernald accepted as Pectis multiseta var. ambigua (Fernald) D.J.Keil (original description)
Pectis capillaris var. paucicapitata Fernald accepted as Pectis uniaristata var. uniaristata DC. (original description)
Pectis depressa Fernald (original description)
Pectis elongata var. schottii Fernald accepted as Pectis linearis La Llave (original description)
Pectis lessingii Fernald accepted as Pectis glaucescens (Cass.) D.J.Keil (original description)
Pectis linifolia var. marginalis Fernald accepted as Pectis linifolia L. (original description)
Pectis pringlei Fernald (original description)
Pectis rosei Fernald accepted as Pectis stenophylla var. rosei (Fernald) D.J.Keil (original description)
Pectis sinaloensis Fernald (original description)
Zexmenia pringlei Greenm. accepted as Jefea pringlei (Greenm.) Strother (original description)