![Parrot’s feather Myriophyllium aquaticum sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Parrot’s feather Myriophyllium aquaticum sketchbook study
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![Fanwort Cabomba caroliniana sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fanwort Cabomba caroliniana sketchbook study
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![Canadian Waterweed Elodea canadensis Nuttalls waterweed Elodea nuttalli comparison](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Canadian Waterweed Elodea canadensis Nuttalls waterweed Elodea nuttalli comparison
Sketchbook study of these similar invasive aquatic plant species, with botanical details, completed for FOR Sweden
![Nuttall’s waterweed Elodea nuttallii sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Nuttall’s waterweed Elodea nuttallii sketchbook study
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![Canadian waterweed Elodea canadensis sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Canadian waterweed Elodea canadensis sketchbook study
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![Eared watermoss Salvinia auriculata sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Eared watermoss Salvinia auriculata sketchbook study
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![Floating pennywort Hydrocotyle ranunculoides vs Marsh Pennywort](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Floating pennywort Hydrocotyle ranunculoides vs Marsh Pennywort
Sketchbook study of the invasive vs the native aquatic plant, with botanical details, completed for FOR Sweden
![Fringed Water lily Nymphoides peltata](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fringed Water lily Nymphoides peltata
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![Water Lettuce Pistia stratiotes sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Water Lettuce Pistia stratiotes sketchbook study
Sketchbook study of this invasive aquatic plant, with botanical details, completed for FOR Sweden
![New Zealand pigmyweed Crassula helmsii](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
New Zealand pigmyweed Crassula helmsii
Sketchbook illustration showing plant, habit and details. Also known as Swamp stonecrop, this plant is an invasive aquatic species in many areas.
![Yellow waterlily Nuphar luteum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Yellow waterlily Nuphar luteum
Yellow waterlily Nuphar luteum floating on water with developing “brandy bottle” seed flask
![White waterlily Nymphaea alba](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
White waterlily Nymphaea alba
White waterlily Nymphaea alba shown floating on water with lily pads
![White & Yellow waterlily Nymphaea alba & Nuphar luteum comparison](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
White & Yellow waterlily Nymphaea alba & Nuphar luteum comparison
White & Yellow waterlily Nymphaea alba & Nuphar luteum comparison, shown in water.
![Red eyed damsel Erythromma najas](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Red eyed damsel Erythromma najas
Red eyed damsel Erythromma najas male dorsal view cut to white
![Lesser diving beetle Acilius sulcatus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Lesser diving beetle Acilius sulcatus
Lesser diving beetle Acilius sulcatus pointing downwards with water weed behind, hind legs outstretched to show how they resemble oars
![Yellow water-lily Nuphar lutea](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Yellow water-lily Nuphar lutea
Yellow water-lily Nuphar lutea pencil drawing of flowers, brandy bottle seed head, and leaves floating on the water surface
![Yellow Flag Iris pseudoacorus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Yellow Flag Iris pseudoacorus
Yellow Flag Iris pseudoacorus in flower
![Yellow Flag Iris pseudoacorus pencil](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Yellow Flag Iris pseudoacorus pencil
Yellow Flag Iris pseudoacorus in flower, pencil drawing
![White waterlily Nymphaea alba](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
White waterlily Nymphaea alba
White waterlily Nymphaea alba flower against a darker floating lily leaf, pencil
![Spiked Water Milfoil Myriophyllum spicatum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Spiked Water Milfoil Myriophyllum spicatum
Spiked Water Milfoil Myriophyllum spicatum pencil drawing showing the plant below and above the water
![Pondweed Potamogeton praelongus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Pondweed Potamogeton praelongus
Pondweed Potamogeton praelongus with seeds held erect out of the water and lanceolate leaves underwater
![Lesser Water Parsnip Berula erecta](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Lesser Water Parsnip Berula erecta
Lesser Water Parsnip Berula erecta with individual flower and fruit
![Greater tussock sedge Carex paniculata](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Greater tussock sedge Carex paniculata
Greater tussock sedge Carex paniculata individual platn and large tussock of the plant along with ligule, stem cross section and glume detail. In flower
![Common carp Cyprinus carpio](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Common carp Cyprinus carpio
Common carp Cyprinus carpio