smothering

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

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

Sketchbook study of these similar invasive aquatic plant species, with botanical details, completed for FOR Sweden

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

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

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

Sketchbook study of the invasive vs the native aquatic plant, with botanical details, completed for FOR Sweden

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

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

Sketchbook illustration showing plant, habit and details.  Also known as Swamp stonecrop, this plant is an invasive aquatic species in many areas.

Japanese knotweed Fallopia japonica stand in winter showing bamboo-like canes

Japanese knotweed Fallopia japonica habit drawing showing thicket of the plant

Japanese knotweed Fallopia japonica and Himalayan balsam Impatiens grandiflora seedling comparison

Japanese knotweed Fallopia japonica seedling showing rounded leaves and pink stem

Himalayan balsam Impatiens glandulifera with details of flower, seed and seed pods, stem, roots, and growth habit.

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 […]