Floating Bur-reed, Narrowleaf Bur-reed, Narrow-leaved Bur-reed
Sparganium angustifolium
Synonyms: Sparganium angustifolium var. multipedunculatum, Sparganium emersum var. angustifolium, Sparganium emersum var. multipedunculatum, Sparganium multipedunculatum, Sparganium simplex var. multipedunculatum
- 
- 
Narrowleaf bur-reed showing its floating leaves and short inflorescences held upright out of the water along the shoreline of Bird Lake, Yakama Nation lands at Bird creek Meadows, southeastern slopes of Mount Adams.....August 18, 2023.
The photo above shows a close-up of the female
flowering heads and upper stem leaves of narrowleaf bur-reed as seen at a small
pond near Burnt Peak on the Riley Trail #64 on the western slopes of Mt. Adams.........September
25, 2005.
The upper stems and leaves of this species float on the surface
of the water. Seen at a small pond near Burnt Peak on the Riley
Trail #64 on the western slopes of Mt. Adams........September 25, 2005.
Several floating female flowering heads of
narrowleaf bur-reed as seen at a small pond near Burnt Peak on the Riley Trail
#64 on the western slopes of Mt. Adams.........September 25, 2005.
The photo above shows the female flowering
heads of narrowleaf bur-reed as seen at Mirror Lake in the Yakama Nation at
the southeastern corner of Mt. Adams..........August 12, 2004.
The photo above shows the male flowering heads
above the fatter, rounded female flowering heads of narrowleaf bur-reed as seen
at Mirror Lake in the Yakama Nation at the southeastern corner of Mt. Adams.........August
12, 2004.
Paul Slichter