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Sagittaria graminea var. platyphylla Engelm.  
Family: Alismataceae
Sagittaria graminea var. platyphylla image
Sagittaria graminea var. platyphylla image
Sagittaria graminea var. platyphylla image
Sagittaria graminea var. platyphylla image
Sagittaria graminea var. platyphylla image