Achaetogeron subacaulis McVaugh accepted as Erigeron subacaulis (McVaugh) G.L.Nesom (original description)
Aster brevilingulatus (Sch.Bip. ex Hemsl.) McVaugh accepted as Psilactis brevilingulata Sch.Bip. ex Hemsl. (original description)
Aster spinosus var. jaliscensis McVaugh accepted as Chloracantha spinosa var. jaliscensis (McVaugh) S.D. Sundb. (original description)
Baccharis multiflora var. brevipappa McVaugh accepted as Baccharis brevipappa (McVaugh) G.L.Nesom (original description)
Baccharis multiflora var. herbacea McVaugh accepted as Baccharis herbacea (McVaugh) G.L.Nesom (original description)
Conyza dentoniae McVaugh (original description)
Eupatorium opadoclinium (S.F.Blake) McVaugh accepted as Chromolaena opadoclinia (S.F.Blake) R.M.King & H.Rob. (original description)
Eupatorium ultraisthmium McVaugh accepted as Eupatoriastrum nelsonii Greenm. (original description)
Lactuca graminifolia var. mexicana McVaugh (original description)
Perymenium jaliscense var. latifolium McVaugh (original description)
Pinaropappus roseus var. maculatus McVaugh (original description)
Pinaropappus spathulatus var. chiapensis McVaugh accepted as Pinaropappus spathulatus Brandegee (original description)
Schkuhria pinnata var. guatemalensis (Rydb.) McVaugh accepted as Schkuhria pinnata (Lam.) Kuntze ex Thell. (original description)
Stevia porphyrea McVaugh accepted as Stevia stricta Hornem. (original description)
Tithonia calva var. lancifolia (B.L.Rob. & Greenm.) McVaugh (original description)
Verbesina sphaerocephala var. dubia McVaugh (original description)
Vernonia bealliae McVaugh (original description)
Vernonia cordata var. hooveri McVaugh (original description)
Vernonia michoacana McVaugh accepted as Eremosis pallens (Sch.Bip.) Gleason (original description)
Vernonia salicifolia var. baadii McVaugh (original description)
Wedelia fertilis McVaugh (original description)
Xanthocephalum gymnospermoides var. eglandulosum McVaugh accepted as Xanthocephalum benthamianum Hemsl. (original description)
Zexmenia helianthoides var. jaliscana McVaugh accepted as Lasianthaea macrocephala (Hook. & Arn.) K.M.Becker (original description)