Agoseris heterophylla (Nutt.) Jeps. accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Erigeron californicus Jeps. accepted as Lachnophyllum noeanum Boiss. (original description)
Eupatorium guanaiense Britton accepted as Chromolaena ivaefolia (L.) R.M.King & H.Rob. (original description)
Eupatorium rusbyi Britton accepted as Polyanthina nemorosa (Klatt) R.M.King & H.Rob. (original description)
Liatris helleri (Porter) Porter (original description)
Solidago juncea var. ramosa Porter & Britton accepted as Solidago juncea Aiton (original description)
Troximon glaucum f. alpestre Cockerell (original description)
Vernonia aristosquamosa Britton accepted as Lepidaploa aristosquamosa (Britton) H.Rob. (original description)
Vernonia bakeriana Britton (original description)
Vernonia boliviana Britton accepted as Critoniopsis boliviana (Britton) H.Rob. (original description)
Vernonia senecionifolia Britton (original description)
Vernonia yungasensis Britton accepted as Critoniopsis yungasensis (Britton) H.Rob. (original description)