![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.
![Fountain Grass Pennisetum setaceum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Fountain Grass Pennisetum setaceum
Fountain Grass Pennisetum setaceum sketchbook study sheet, showing details of plant
![Oregon Grape Mahonia aquifolium](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oregon Grape Mahonia aquifolium
Oregon Grape Mahonia aquifolium sketchbook study sheet, showing details of plant
![Yellow Loosestrife Lysimachia punctata](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Yellow Loosestrife Lysimachia punctata
Yellow Loosestrife Lysimachia punctata sketchbook study sheet, showing details of plant
![Butterfly bush Buddleja davidii](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Butterfly bush Buddleja davidii
Butterfly bush Buddleja davidii sketchbook study sheet, showing details of plant
![Old Man’s Beard Clematis vitalba](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Old Man’s Beard Clematis vitalba
Old Man’s Beard Clematis vitalba sketchbook study sheet, showing details of plant
![Giant Goldenrod Solidago gigantea](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Giant Goldenrod Solidago gigantea
Giant Goldenrod Solidago gigantea sketchbook study sheet, showing details of plant
![Himalayan Knotweed Persicaria polystachum](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Himalayan Knotweed Persicaria polystachum
Himalayan Knotweed Persicaria polystachum sketchbook study sheet, showing details of plant
![Narrow-leaved Ragwort Senecio inaequidens](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Narrow-leaved Ragwort Senecio inaequidens
Narrow-leaved Ragwort Senecio inaequidens sketchbook study sheet, showing details of plant
![Oriental Bittersweet Celastrus orbiculatus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oriental Bittersweet Celastrus orbiculatus
Oriental Bittersweet Celastrus orbiculatus sketchbook study sheet, showing details of plant
![Snowberry Symphoricarpos albus](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Snowberry Symphoricarpos albus
Snowberry Symphoricarpos albus sketchbook study sheet, showing details of plant
![Oak sudden death Phytophthora ramorum fungi](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak sudden death Phytophthora ramorum fungi
Oak sudden death Phytophthora ramorum fungi and algae pest on Oak tree Quercus
![Oak spangle and silk button galls](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak spangle and silk button galls
Oak spangle galls from wasp Tilia platyphyllos and Silk button galls from wasp Neuroterus numismalis on Oak leaf Quercus robu
![Oak Quercus robur sketchbook page](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Oak Quercus robur sketchbook page
Oak Quercus robur sketchbook page including flowers and young leaves
![Brass Buttons Cotula coronopifolia Sketchbook study](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Brass Buttons Cotula coronopifolia Sketchbook study
Brass Buttons or Buttonweed Cotula coronopifolia with habit sketch, detail of flowering head, and amplexicaul leaf details. Seeds and seed distribution, along with the variety of leaf forms are also shown.