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Stand of Japanese knotweed Reynoutria japonica Fallopia japonica showing thicket of stems and foliage

Dark Green Fritillary butterfly Argynnis aglaja with wings folded so you can see the green and species specific dark green colours on the underside, cut to white

European rhino beetle Oryctes nasicornis dorsal view cut to whtie

Sycamore Acer pseudoplatanus leaves with winged fruit amd flowers

Oak bark Quercus robur study

Oak polypore fungus piptoporus quercinus bracket fungus growing on the side of an oak tree

Oak Quercus robur pen and ink tree shape without leaves

Ash Fraxinus excelsior pen and ink stippled drawing of the tree without leaves

Ash Fraxinus excelsior twig in bud and leaf spray

Pen and ink Jaguar Panthera onca illustration showing the big cat lounging in a tropical tree looking down at the viewer

Dray horse pen and ink sketch showing a horse in harness with the full complement of horse brasses and regalia and long mane with blinkers on

Bird bone cross section showing cross bracing for strength and hollow structure