submerged leaves

Duck potato Sagittaria latifolia botanical illustration by Lizzie Harper showing underwater “potato” growths

Water-violet Hottonia palustris showing submerged leaves

Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden

Arrowhead Sagittaria sagitarria showing underwater ribbon-like leaves and floating oval leaves.  Emergent leaves are arrow-shaped.  Illustration also shows flowers and fruit.

Bog pondweed Potamogeton polygonifolius with fruiting spike emergent above the water, floating leaves and more lanceolate leaves underwater