![Stream water-crowfoot](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Stream water-crowfoot
Stream water-crowfoot Ranunculus penicillatus subsp. pseudofluitans
![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.
![Montezuma cypress Taxodium mucronatum cones](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Montezuma cypress Taxodium mucronatum cones
Montezuma cypress Taxodium mucronatum cones and leaf sprays
![Montezuma cypress Taxodium mucronatum tree](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Montezuma cypress Taxodium mucronatum tree
Montezuma cypress Taxodium mucronatum tree showing habit and growth
![Brazilian Giant rhubarb Gunnera manicata](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Brazilian Giant rhubarb Gunnera manicata
Brazilian Giant rhubarb Gunnera manicata showing a flowering spike in front of one of the plant’s gigantic leaves
![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 rhubarb Gunnera tinctoria](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Giant rhubarb Gunnera tinctoria
Giant rhubarb Gunnera tinctoria showing one enormous leaf and a crimson tinged flowering spike
![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
![Tupelo Nyssa ogeche](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Tupelo Nyssa ogeche
Tupelo Nyssa ogeche with single flower botanical illustration
![Mayfly Ephemera vulgata](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Mayfly Ephemera vulgata
Mayfly Ephemera vulgata adult side view showing wing venation with markings, green body, and lack of mouth parts Perched on a stem, cut to white
![Otter Lutra lutra 3](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Otter Lutra lutra 3
Otter Lutra lutra in profile in a reed bed
![Otter Lutra lutra 7](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Otter Lutra lutra 7
Otter Lutra lutra perched on a boulder with a fish it’s just caught, ferns mud and a little folaige behind
![Otter Lutra lutra 6](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Otter Lutra lutra 6
Otter Lutra lutra tracks footprints in pen and ink
![Otter Lutra lutra 5](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Otter Lutra lutra 5
Otter Lutra lutra watercolour sketch
![Otter Lutra lutra 4](https://lizzieharper.co.uk/wp-content/themes/lizzie/images/px.jpg)
Otter Lutra lutra 4
Otter Lutra lutra eating a brown trout, fur wet, in profile, cut to white