U
- Uncinia compacta R.Br.
- Uncinia riparia R.Br.
- Uncinia tenella R.Br.
- Urochloa foliosa (R.Br.) R.D.Webster
- Urochloa holosericea (R.Br.) R.D.Webster
- Urochloa polyphylla (R.Br.) R.D.Webster
- Utricularia albiflora R.Br.
- Utricularia australis R.Br.
- Utricularia barbata R.Br.
- Utricularia baueri R.Br.
- Utricularia biloba R.Br.
- Utricularia chrysantha R.Br.
- Utricularia cyanea R.Br.
- Utricularia exoleta R.Br.
- Utricularia lateriflora R.Br.
- Utricularia limosa R.Br.
- Utricularia menziesii R.Br.
- Utricularia simplex R.Br.
- Utricularia tenella R.Br.
- Utricularia violacea R.Br.
- Utricularia volubilis R.Br.
Read more about this topic: List Of Australian Plant Species Authored By Robert Brown