Sparganium androcladum (Engelm.) Morong

Washington: King County: Newport, Seattle.
Very wet places. Bur reed. Detected Prof. G. B. Rigg. [Typhaceae is crossed out and Sparganiaceae is written in pencil, but Typhaeceae is the correct family per Tropicos] Phenology: Flowers.

M. R. Thomas 6294, Jul 17, 1909
WCW, Accession: 1476