Etymology: Sparganium: ancient name, probably sparganon for "a band," referring to ribbon-like leaves
Plants: erect, perennial, 1'- 2 1/2' tall, floating aquatic with stout stems
Leaves: flat, not stiff
Flowers: female flower green to white, 3-parted; inflorescence round heads, male heads (1 or 2) not separated from the female heads
Fruits: shiny, beaked nutlets in bur-like heads
Habitat: sun; wet; bogs, shallow ruts; often in cold, mucky alder thickets near Lake Superior
Conservation Status: Threatened
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 8, Wetland Indicator = OBL Josh Sulman's Key to the Genus Sparganium: Interactive key with photos and descriptions 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 Minnesota Dept. of Natural Resources: Rare Species Guide; description, conservation, photos, maps, etc.