Family: Brassicaceae
[Armoracia aquatica (Eaton) Wiegand, more... ]
Etymology: Armoracia: Celtic name referring to "saline," favorite habitat of this plant
Plants: perennial, aquatic forb, hairless; stems partly submersed or floating; fibrous roots along the stems
Leaves: submersed leaves finely divided into filament-like segments; emergent leaves lance-like to oblong with sharp lobes or toothed edges
Flowers: white, 4-parted, short stalked, petals rounded at the top
Fruits: inflated, oval pod, 1 seed chamber
; seeds rarely maturing
Habitat: quiet water, shores, water to 7' deep
Conservation Status: Endangered
Plants: perennial, aquatic forb, hairless; stems partly submersed or floating; fibrous roots along the stems
Leaves: submersed leaves finely divided into filament-like segments; emergent leaves lance-like to oblong with sharp lobes or toothed edges
Flowers: white, 4-parted, short stalked, petals rounded at the top
Fruits: inflated, oval pod, 1 seed chamber

Habitat: quiet water, shores, water to 7' deep
Conservation Status: Endangered
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 9, Wetland Indicator = OBL WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos