- Astragalus howellii
- Allium howellii
- Sargassum howellii
- Astragalus johannis-howellii
- Pedicularis
- Chenopodium
- Kembang angin
- Sukma
- Memaku
- Gandapura
- Antennaria howellii
- Isoetes howellii
- Draba howellii
- Indigofera howellii
- Pedicularis howellii
- Grindelia howellii
- Puccinellia howellii
- Chorizanthe howellii
- Tauschia howellii
- Poa howellii
