Achaetogeron forreri Greene accepted as Erigeron forreri (Greene) Greene (original description)
Baeria consanguinea Greene (original description)
Brickellia knappiana Drew (original description)
Cacalia palmeri Greene accepted as Psacalium palmeri (Greene) H.Rob. & Brettell (original description)
Calais pluriseta Greene (original description)
Chaenactis lacera Greene (original description)
Cnicus amplifolius Greene accepted as Cirsium andrewsii (A.Gray) Jeps. (original description)
Coreocarpus involutus Greene accepted as Coreocarpus parthenioides var. involutus (Greene) E.B.Sm. (original description)
Corethrogyne filaginifolia var. robusta Greene accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Erigeron petrophilus Greene (original description)
Erigeron sonnei Greene accepted as Erigeron eatonii var. sonnei (Greene) G.L.Nesom (original description)
Erigeron viscidulus (A.Gray) Greene accepted as Erigeron petrophilus var. viscidulus (A.Gray) G.L.Nesom (original description)
Greenella ramulosa Greene accepted as Gutierrezia ramulosa (Greene) M.A.Lane (original description)
Hazardia Greene (original description)
Hazardia cana (A.Gray) Greene (original description)
Hazardia detonsa (Greene) Greene (original description)
Hazardia serrata Greene (original description)
Helianthus invenustus Greene accepted as Agnorhiza invenusta (Greene) W.A.Weber (original description)
Lasthenia conjugens Greene (original description)
Senecio aphanactis Greene (original description)
Senecio astephanus Greene (original description)
Sericocarpus tomentellus Greene accepted as Eucephalus tomentellus (Greene) Greene (original description)
Sonchus foliacea Greene (original description)
Sonchus glomerata Greene (original description)
Sonchus harknessii Greene (original description)
Sonchus hispida Greene (original description)
Sonchus jonesii Greene (original description)
Sonchus kingii Greene (original description)
Sonnea Greene (original description)
Sonnea foliacea Greene (original description)
Sonnea glomerata Greene (original description)
Sonnea harknessii Greene (original description)
Sonnea hispida Greene (original description)
Sonnea jonesii Greene (original description)
Sonnea kingii Greene (original description)
Troximon elatum Greene accepted as Agoseris heterophylla (Nutt.) Greene (original description)
Troximon marshallii Greene accepted as Agoseris grandiflora (Nutt.) Greene (original description)