Amellus hirsutus (Host) Opiz accepted as Felicia cymbalariae subsp. cymbalariae (Aiton) Bolus & Wolley-Dod ex Adamson & T.M.Salter (original description)
Amellus novae-belgii (L.) Opiz accepted as Symphyotrichum novi-belgii (L.) G.L.Nesom (original description)
Amellus salignus (L.) Opiz accepted as Tripolium pannonicum subsp. tripolium (L.) Greuter (original description)
Amellus vulgaris Opiz accepted as Aster amellus L. (original description)
Filaginella Opiz accepted as Gnaphalium L. (original description)
Filaginella luteoalba (L.) Opiz accepted as Laphangium luteoalbum (L.) Tzvelev (original description)
Filaginella nuda Opiz (original description)
Jacobaea cordata Opiz (original description)
Jacobaea frondosa Opiz. (original description)
Jacobaea kosteleckii Opiz (original description)
Margaritaria Opiz (original description)
Margaritaria ramosa Opiz (original description)
Margaritaria simplex Opiz (original description)
Moerkensteinia Opiz (original description)
Moerkensteinia sylvatica Opiz (original description)
Seneciunculus Opiz (original description)
Seneciunculus viscosus Opiz (original description)
Tussilago kablikianus Opiz (original description)
Ulina Opiz (original description)
Ulina germanica Opiz (original description)
Ulina hirta Opiz (original description)
Ulina salicina Opiz (original description)