Lake Cress (Armoracia lacustris)

Synonym: Armoracia aquatica

Status: endangered in Wisconsin

Habitat Description: Lake Superior estuaries, and quiet waters of lakes and streams

Habitat Classification
WI NHI: Submerged Aquatic
Curtis: Submerged Aquatic
Kotar:
Forest Cover:

Range: Bayfield, Brown, Green Lake, Lincoln, Marinette, and Winnebago

Comments: habitat requirements are not well characterized

Phenology: flowers from June to August, and emergent flowering stems increase plant's visibility

Field Guides:
Britton and Brown (Armoracia aquatica), p.2:226/2:227
Gleason 1963 (Armoracia aquatica) p.339
Gleason 1991, p.187
Newcomb (Armoracia aquatica), p.148/p.149
Voss II (Armoracia aquatica), p.282/p.281