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Scots pine Pinus sylvestris cone and needles.  Pen and ink illustration with top colour.

Foxglove flower Digitaria purpurea.  Single flower shown face on.

Silver birch Betula pendula sketchbook page with a focus on the leaves

Common Blue-sow thistle Cicerbita macrophylla sketchbook page compared to Alpine Sow-thistle Cicerbita alpina. Details of leaf venation, habit sketch, individual ray florets, seed information, and associated comparative details of the Alpine Sow-thistle

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

Giant Hogweed Heracelum mantegazianum sketchbook studies showing detail of leaves, stem, and seeds.

Canadian Goldenrod Solidago canadensis sketchbook study page with comparisons to Solidago gigantea

Persian Hogweed Heracelum persicum and Giant Hogweed Heracelum mantegazzianum comparison with info on flower shape, umbel shape, and leaf differences

Persian Hogweed Heracleum persicum in flower showing habit and growth form

Canadian Goldenrod Solidago canadensis habit drawing showing entire plant

Giant Hogweed Heracleum mantegazzianum habit drawing

Lombardy poplar Populus nigra eaves seeds and fluffy seeds

Lombardy Poplar Populus nigra tree showing elongated growth pattern

Scots Pine Pinus sylvestris with needles leaves and cone

Scots pine Pinus sylvestris tree showing typical growth with fallen lower branches

Elm Ulmus minor seeds and leaf

Elm tree showing typical growth form and habit

Silver Birch drawing showing elegant form and habit

Silver birch sprig with leaves and male and female catkins

Giant reed Arundo donax showing growth habit and flowering head of spikelets

Wood Melick Melica uniflora plant with ligule, lemma, and spikelet details

Wood millet Milium effusum with ligule, lemma and spikelet detail

Wood spurge Euphorbia amaldygloides with individual flower detail

Yellow Flag Iris pseudoacorus in flower, pencil drawing