WP07112 Spots on the flank of a Cheetah (Acinonyx jubatus). Africa.WP04256 Sloughed skin of a Burmese Python (Python molurus bivittatus).WP04681 Leaf skeleton.WP04680 Leaf skeleton.WP06546 Oak (Quercus robur) branch sectioned to show xylem tubules arranged in growth rings and medullary ray to left of image.WP04525 Wood grain. Nevada, USA.WP01934 Driftwood patterns. Washington State, USA.WP06426 Mandelbrot design.WP01769 Fly Agaric (Amanita muscaria).WP01663 Pattern of dried up mud. Iceland.WP02293 Sheet ice viewed by polarised light.WP05645 Frost crystals on the ice of a pond.WP01821 Scalloped surface of an iceberg. Iceland.WP05277 Bubble raft.WP05613 Volvox colonies photographed at 40x magnification.WP01541 Rowan (Sorbus aucuparia) berries.WP01358 Beach-worn pebbles. North Uist, Scotland.WP02096 Beach-worn pebbles. Iona, Scotland.WP05742 Fungus (Pholiota adiposa).WP01768 Sulphur Tuft Fungi (Hypholoma fasciculare).WP01838 Unfinished orb web with dew. Finland.WP03611 Dew-covered spider's web.WP02915 Burnt trunk of a Ponderosa Pine (Pinus ponderosa). North America.WP01765 Quiver Tree (Aloe dichotoma). Southern Africa.WP01917 Wood that has been bored by Teredo Worms. British Columbia, Canada.WP01750 Gunnera (Gunnera manicata) flower.WP03066 Pink hydrangea flowers.WP01651 Boston Ivy (Parthenocissus tricuspidata).WP01868 Boston Ivy (Parthenocissus tricuspidata).WP01630 Northern Maidenhair Ferns (Adiantum pedatum). North America.WP01878 Thimbleberry (Rubus parviflorus) leaves. North America.WP01767 Boston Ivy (Parthenocissus tricuspidata).WP03112 Tree fern frond. New Zealand.WP12791 Fern frond.WP01880 Fallen Aspen (Populus tremuloides) leaves. Alberta, Canada.WP02951 Detail of sand dollar shell. Pacific coast, N. America.WP01658 Creeper on a brick wall in New England.WP05643 Impressions in ice caused by oak leaves absorbing warmth from the sun. Surrey, England.WP01810 Aeonium arboreum with raindrops.WP03107 Moss. Surrey, England.WP06959 Euphorbia spines. Namibia.WP01728 New Zealand rainforest fern.WP01726 Amau Fern. Hawaii.WP02974 Dew on a Grass Tree (Xanthorrhoea preissii). Australia.WP03142 Dead trunk of a Saguaro Cactus (Carnegiea gigantia). Sonoran Desert, N. America.WP01558 Saguaro Cactus (Carnegiea gigantia). Sonoran Desert, N. America.WP01640 Organ Pipe Cactus (Stenocereus thurberi) spines. Sonoran Desert, N. America.WP13409 Detail of pine cone.WP01823 Columnar basalt. Iceland.WP02257 Water drip-rings.WP01806 Ornamental Cabbage.WP00168 Snow crystal.WP01359 Stripy pebble on rock. South Uist, Scotland.WP01851 Layered rocks in Norway. Norway.WP01771 Patterns in water going down a sluice-gate. Surrey, England.WP06951 Salt crystals coloured pink by carotine from organisms in the water in which the crystals grew. Namibia.WP03068 Lava patterns. Hawaii.WP01893 Patterns made by water draining from sand at low tide. British Columbia, Canada.WP05644 Sheet ice viewed by polarised light.WP09682 Zebras (Equus burchelli). Africa.WP08783 Pattern of sectioned ammonite.WP08784 Pattern of polished ammonite.WP08811 Ammonite.WP01479 Giant millipede (Diplopoda) coiled for defence. East Africa.WP00519 Rainforest Butterfly. Borneo.WP01337 Camouflaged leafy mantis on rainforest leaf. Costa Rica.WP07080 Pond Skaters (Gerris lacustris) and their shadows on the floor of a shallow pool.WP11321 Peppered Moth (Biston betularia) normal and melanic forms on a birch trunk. England.WP01779 Green leafy moth. Borneo.WP01293 Peacock Butterfly (Inachis io).WP06544 Douglas Fir (Pseudotsuga menziesii) trunk sectioned to show growth rings.WP05847 Autumnal oak leaves.WP05771 Flowering Currant (Ribes sanguineum) leaves.WP07574 Ivy (Hedera helix). Europe.WP07765 Holly (Ilex aquifolium) leaf fallen to the ground and starting to decay.WP01670 Variegated Dtella (Gehyra variegata). Australia.WP07609 Green peas in a pod.WP08423 Pill Millipede (Glomeris species) curled and extended.WP08748 Pine cone open and closed.