Ageratum febrifugum Sessé, Sessé & Moc. (original description)
Ageratum laciniatum Sessé & Moc. accepted as Stevia trifida Lag. (original description)
Ageratum purpureum Moc., Sessé, Sessé & Moc. (original description)
Ageratum rivale Sessé & Moc. accepted as Pectis uniaristata DC. (original description)
Ageratum striatum Sessé & Moc. accepted as Stevia serrata Cav. (original description)
Ageratum viscosum Sessé & Moc. accepted as Stevia pilosa Lag. (original description)
Amellus linearis Sessé & Moc. (original description)
Amellus paniculatus Sessé & Moc. (original description)
Anthemis palustris Sessé & Moc. accepted as Jaegeria pedunculata Hook. & Arn. (original description)
Aster squarrosus Sessé & Moc. accepted as Grindelia inuloides Willd. (original description)
Athanasia procumbens Sessé & Moc. accepted as Alloispermum scabrum (Lag.) H.Rob. (original description)
Bidens humilis Sessé & Moc. (original description)
Cacalia spathulata Moc., Sessé, Sessé & Moc. (original description)
Cacalia tuberosa Sessé & Moc. (original description)
Eupatorium lanceolatum Sessé & Moc. accepted as Fleischmanniopsis leucocephala (Benth.) R.M.King & H.Rob. (original description)
Eupatorium thyrsoideum Moc., Sessé & Moc. (original description)
Eupatorium triangulare Moc., Sessé & Moc. accepted as Ageratina deltoidea (Jacq.) R.M.King & H.Rob. (original description)
Helianthus hastatus Sessé & Moc. accepted as Simsia sanguinea A.Gray (original description)
Perdicium cordatum Cerv., Sessé & Moc. (original description)
Perdicium decurrens Moc., Sessé, Sessé & Moc. (original description)
Spilanthes ocoxiuhitl Sessé & Moc. (original description)
Tagetes punctata Moc., Sessé, Sessé & Moc. (original description)
Verbesina latifolia Sessé & Moc. (original description)
Verbesina mexicana Sessé & Moc. (original description)
Verbesina polipetala Sessé & Moc. (original description)
Verbesina trinervata Sessé & Moc. (original description)