• Citrus Linnaeus, 1753
• Citrus aurantifolia (Christm.) Swingle accepted as Citrus aurantiifolia (Christm.) Swingle
• Citrus aurantiifolia (Christm.) Swingle
• Citrus aurantium Linnaeus
• Citrus australasica F. Muell. accepted as Microcitrus australasica (F. Muell.) Swingle
• Citrus australis Planchon accepted as Microcitrus australis (Planchon) Swingle
• Citrus bark cracking viroid
• Citrus bent leaf viroid
• Citrus bergamia Risso & Poit. accepted as Citrus aurantium Linnaeus
• Citrus decumana (L.) L. accepted as Citrus maxima (Burm. f.) Merr.
• Citrus dwarfing viroid
• Citrus exocortis viroid
• Citrus grandis (L.) Osbeck accepted as Citrus maxima (Burm. f.) Merr.
• Citrus jambhiri Lush.
• Citrus leaf blotch virus
• Citrus leaf rugose virus
• Citrus leprosis virus C
• Citrus limetta Risso
• Citrus limon (L.) Burm. f.
• Citrus limonia Osbeck
• Citrus limonum Risso accepted as Citrus limonia Osbeck
• Citrus maxima (Burm. f.) Merr.
• Citrus medica Linnaeus
• Citrus mitis Blanco accepted as Citrofortunella mitis (Blanco) J. Ingram & H. Moore
• Citrus mosaic virus
• Citrus nobilis Andrews accepted as Citrus reticulata Blanco
• Citrus nobilis Lour.
• Citrus paradisi Macfad.
• Citrus psorosis virus
• Citrus reticulata Blanco
• Citrus sinensis (L.) Osbeck
• Citrus sudden death-associated virus
• Citrus tachibana (Makino) T. Tanaka
• Citrus taitensis Risso accepted as Citrus limonia Osbeck
• Citrus tangelo J. Ingram & H. Moore
• Citrus trifoliata Linnaeus accepted as Poncirus trifoliata (L.) Raf.
• Citrus tristeza virus
• Citrus variegation virus
• Citrus viroid V
• Citrus viroid VI
• Citrus vulgaris Risso accepted as Citrus aurantium Linnaeus
• Citrusoxylon C. Privé-Gill, 1981 † (uncertain)