O. lutea may refer to:
- Odontadenia lutea, a flowering plant
- Odontites lutea, a dicotyledonous plant
- Odostomia lutea, a sea snail
- Oiketicoides lutea, a bagworm moth
- Oncis lutea, a sea slug
- Ophiocordyceps lutea, a parasitic fungus
- Ophrys lutea, an Old World orchid
- Orchis lutea, a herbaceous plant
- Orobanche lutea, a parasitic plant
- Oxystylis lutea, a plant native to the Mojave Desert
This disambiguation page lists articles associated with the same abbreviated species scientific name.
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