Formosum
- Adiantum formosum
- Anthidium formosum
- Anthurium formosum
- Aplidium formosum
- Bulbophyllum formosum
- Carenum formosum
- Cratoxylum formosum
- Dendrobium formosum
- Dorcadion formosum
- Entoloma formosum
- Formosa
- Gastrolobium formosum
- Genoplesium formosum
- Habrocestum formosum
- Idiosoma formosum
- Leucospermum formosum
- Nealcidion formosum
- Platylobium formosum
- Polytrichastrum formosum
- Rosenbergiodendron formosum
- Taiwania (disambiguation)
- Taiwaniana
- Taiwanica (disambiguation)
- Trochalopteron formosum
- Vaccinium formosum