Sparganium glomeratum (Beurl. ex Laest.) Neuman
Family: Typhaceae
clustered bur-reed, northern bur-reed
Sparganium glomeratum image
Josh Sulman  
Sparganium glomeratum image
Josh Sulman  
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
Sparganium glomeratum image
Josh Sulman  
Sparganium glomeratum image
Scott A. Milburn  
Sparganium glomeratum image
Emmet J. Judziewicz  
Sparganium glomeratum image
June M. Dobberpuhl