Pogostemon helferi
| Pogostemon helferi | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Pogostemon |
| Species: | P. helferi |
| Binomial name | |
| Pogostemon helferi Hook.f. | |
Pogostemon helferi, also known as dao-noi, is a species of Thai aquatic plant. It is a common ornamental plant in aquariums.