I can see wapato Sagittaria latifolia

Also called broadleaf arrowhead and duck-potato (although do not confuse the latter with similarly-named sister species within arrowhead  genus Sagittaria ).  The species and genus are part of ♒︎ water-plantain  family Alismataceae in order Alismatales.

Native to almost all of North America and Central America, and into South America.

Uses by native peoples
(Ethnobotany database)

Sagittaria hosts caterpillars of 6 species
of butterflies and moths, in some areas.

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♒︎ aquatic plants