- Acorus aromaticus Gilib.
- Acorus aromaticus Gueldenst., 1791
- Acorus verus Garsault
- Acorus vulgaris Simonk., 1887
Calamus, Sweet Flag, Beewort, Bitter Pepper Root, Calamus Root, Flag Root, Gladdon, Myrtle Flag, Myrtle Grass
No status defined
Value of species
Sweet flag is native to India, central Asia, southern Russia and Siberia, and perhaps Eastern Europe. It also grows in China and Japan.
It was introduced into Western Europe and North America for medicinal purposes. Habitats include edges of small lakes, ponds and rivers, marshes, swamps, and wetlands.