• Lilium Linnaeus, 1753
• Lilium andinum Nutt. accepted as Lilium philadelphicum Linnaeus
• Lilium bolanderi S. Wats.
• Lilium bulbiferum Linnaeus
• Lilium camschatcense Linnaeus accepted as Fritillaria camschatcensis (L.) Ker-Gawl.
• Lilium canadense Linnaeus
• Lilium candidum Linnaeus
• Lilium carolinianum Michx. accepted as Lilium michauxii Poir.
• Lilium catesbaei Walt.
• Lilium columbianum hort. ex Baker
• Lilium concolor Salisb.
• Lilium dauricum Ker-Gawl.
• Lilium fairchildii M.E. Jones accepted as Lilium humboldtii Roezl & Leichtl. ex Duchartre
• Lilium formosanum A. Wallace
• Lilium fortunofulgidum Roane & Henry accepted as Lilium michauxii Poir.
• Lilium fresnense (Eastw.) Eastw. accepted as Lilium kelleyanum J.G. Lemmon
• Lilium gazarubrum Roane & Henry accepted as Lilium superbum Linnaeus
• Lilium grayi S. Wats.
• Lilium henryi Del1 virus
• Lilium humboldtii Roezl & Leichtl. ex Duchartre
• Lilium iridollae Henry
• Lilium kelleyanum J.G. Lemmon
• Lilium kelloggii Purdy
• Lilium lancifolium Thunb.
• Lilium longiflorum Thunb.
• Lilium maritimum Kellogg
• Lilium martagon Linnaeus
• Lilium mary-henryae Roane & Henry accepted as Lilium superbum Linnaeus
• Lilium michauxii Poir.
• Lilium michiganense Farw.
• Lilium montanum A. Nels. accepted as Lilium philadelphicum Linnaeus
• Lilium nevadense Eastw. accepted as Lilium kelleyanum J.G. Lemmon
• Lilium occidentale Purdy
• Lilium pardalinum Kellogg
• Lilium parryi S. Wats.
• Lilium parvum Kellogg
• Lilium philadelphicum Linnaeus
• Lilium philadephicum Linnaeus
• Lilium philippinense Baker
• Lilium pitkinense Beane & Vollmer accepted as Lilium pardalinum Kellogg
• Lilium pseudograyi Grove
• Lilium pudicum Pursh accepted as Fritillaria pudica (Pursh) Spreng.
• Lilium regale E.E. Wilson
• Lilium rubescens S. Wats.
• Lilium superbum Linnaeus
• Lilium tigrinum Ker-Gawl. accepted as Lilium lancifolium Thunb.
• Lilium umbellatum Pursh accepted as Lilium philadelphicum Linnaeus
• Lilium vollmeri Eastw. accepted as Lilium pardalinum Kellogg
• Lilium washingtonianum Kellogg
• Lilium wigginsii Beane & Vollmer accepted as Lilium pardalinum Kellogg