NB Invasive Species
Report a Species
News & Events
You Can Help!
Flowering Rush - Butomus umbellatus
An emergent growing about 1m tall mainly in marshes (can also grow submerged in 3m deep water)
Leaves are long narrow, triangular in x-section and twisted at the ends
Flowers white to deep pink
Difficult to separate from native bur-reeds (
Capable of out-competing and displacing native vegetation
Reproduces prolifically by seed and bulbets as well as through root and rhizome pieces
First introduced in NA as an ornamental
First collected in NB from the Eel River near Dalhousie in 1982
Greatest occurrence in Great Lakes and St. Lawrence River but has also spread reapidly into northern USA
"Funding for this project was provided in part by the Invasive Alien Species Partnership Program,
a Government of Canada initiative."