• Wielandia A.G. Nathorst, 1909 † accepted as Wielandiella A.G. Nathorst, 1910 † [Family: Williamsoniellaceae]
• Wielandia H.E. Baillon, 1858 [Family: Phyllanthaceae]
• Wielandia Tillyard, 1925 † accepted as Tipuloidea Wieland, 1925 † [Family: Chiliocyclidae]
• Wielandia elegans Baill.
• Wielandia oblongifolia Baill. accepted as Blotia oblongifolia (Baill.) Leandri