| Scientific Name: | Armoracia Aquatica |
| Common Name: | American Cress |
| Substrate: | Plain washed gravel |
| Lighting: | Bright |
| pH value: | Not critical |
| Hardness: | Not critical |
| Temperature: | 64-77oF (18-25oC) |
| Height: | up to 3in, spikes may reach 10 in (8cm) |
| Distribution: | Eastern North America |
| Characteristics: | A submerged plant with brittle leaves |
| Aquarium use: | Foreground |
