Genus Citrus (Rutaceae)
- Citrus × aurantiifolia (lime) oil: ISO 3809, ISO 3519 — Citrus × aurantiifolia (Christm.) Swingle
- Citrus × aurantium: neroli oil, Sarrou 2013 and ISO 3517 — Citrus × aurantium L.
- Citrus × bergamia (bergamot): identity, ISO 3520 — Citrus × limon (L.) Osbeck
- Citrus × limon (lemon): cold-pressed oil and ISO 855 — Citrus × limon (L.) Osbeck
- Citrus × paradisi (grapefruit): identity, ISO 3053 — Citrus × aurantium f. aurantium
- Citrus × sinensis (sweet orange): identity, ISO 3140 — Citrus × aurantium f. aurantium
- Citrus hystrix (kaffir lime): leaf oil and pericarp oil — Citrus hystrix DC.
- Citrus reticulata: accepted name and ISO 3528 editions — Citrus reticulata Blanco