Robert W. Freckmann Herbarium


  Sparganium emersum Rehmann image
Photographer: Robert W. Freckmann           

Kurt Stüber

Robert W. Freckmann

Robert W. Freckmann

Josh Sulman

Josh Sulman

Josh Sulman

Josh Sulman

Josh Sulman

Josh Sulman

Josh Sulman

Josh Sulman

Josh Sulman
Family Sparganiaceae
Sparganium emersum Rehmann
narrow-leaved bur-reed
Sparganium: ancient name, probably sparganon for "a band," referring to ribbon-like leaves
emersum: Latin e for "out;" mergere for "to dip, plunge"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect or floating, perennial, emergent aquatic, up to 3 1/2' tall
Flower: female flower green to white, 3-parted; inflorescence round heads on an unbranched stalk much shorter than the leaves
Fruit:green to brown nutlets with a straight to curved beak grouped in bur-like heads
Leaf:not widened at the base, erect or floating, partly or wholly keeled, mostly flat except for the triangular base, veins mostly coarse
Habitat: sun; wet; quiet water; in muddy soil
(Glossary)

More Information Natural Communities Herbarium Specimens
All Sparganium list Google- Images or Text

Flora of North America (off site)
Synonyms 
Sparganium acaule (Beeby ex Macoun) Rydb.
Sparganium angustifolium Michx. subsp. emersum (Rehmann) Brayshaw
Sparganium chlorocarpum Rydb.
Sparganium chlorocarpum Rydb. f. acaule (Beeby ex Macoun) E.G.Voss
Sparganium chlorocarpum Rydb. f. chlorocarpum
Sparganium chlorocarpum Rydb. var. acaule (Beeby ex Macoun) Fernald
Sparganium chlorocarpum Rydb. var. chlorocarpum
Sparganium emersum Rehmann subsp. acaule (Beeby ex Macoun) Cook & Nicholls
Sparganium erectum L., sensu Kartesz (1994)

         
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