![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.
![Giant Hogweed Heracleum mantegazzianum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Giant Hogweed Heracleum mantegazzianum
Giant Hogweed Heracleum mantegazzianum showing red spotted stems and variable leaf shape
![Himalayan balsam Impatiens glandulifera](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Himalayan balsam Impatiens glandulifera
Himalayan balsam Impatiens glandulifera with details of flower, seed and seed pods, stem, roots, and growth habit.
![Giant hogweed Heracleum sphondylium](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Giant hogweed Heracleum sphondylium
Giant hogweed Heracleum sphondylium showing white corymbs of flowers, different shaped leaves, and cross section of the hollow stem
![Water vole Arvicola amphibius 4](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Water vole Arvicola amphibius 4
Water vole Arvicola amphibius showing how fluffy and formless these creatires are, in profile on sandy bank with background riparian vegetation
![Water vole Arvicola amphibius 3](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Water vole Arvicola amphibius 3
Water vole Arvicola amphibius tracks footprints
![Water vole Arvicola amphibius 2](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Water vole Arvicola amphibius 2
Water vole Arvicola amphibius pencil sketch of stream bank and a vole swimming underwater emitting air bubbles
![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
![Great fen sedge Cladium mariscum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Great fen sedge Cladium mariscum
Great fen sedge Cladium mariscum plant, fruit, flowers, rhizome and roots, and details of the spikelet, stem, fruit and detail of the folded leaf
![Himalayan balsam Impatiens glandulifera sketchbook style](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Himalayan balsam Impatiens glandulifera sketchbook style
Himalayan balsam Impatiens glandulifera study page with colour details of the red flushed stem, orchid like purple flowers, details of different colour forms, close up of the seed pod, wash on one green leaf, graphite or pencil tonal studies of another leaf, and details of the little red growths below where a leaf adheres to […]
![Water vole Arvicola amphibius](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Water vole Arvicola amphibius
Water vole Arvicola amphibius showing how fluffy and formless these creatires are, in profile on sandy bank with background riparian vegetation