Invasive Collection (page 7)

Immature West Nile virus, molecular model
Immature West Nile virus. Computer model showing the molecular structure of the protein coat (capsid) of an immature West Nile virus particle

Typhoid nodules, light micrograph
Typhoid nodules, coloured light micrograph. Section through a lymph node of a patient with typhoid, showing macrophages (large cells, pink) forming typhoid nodules

Liver tuberculosis, light micrograph
Liver tuberculosis. Coloured light micrograph of a section through the liver of a patient with miliary tuberculosis (TB). A tubercle, a nodular lesion of infected dead tissue, is seen at left

Miliary tuberculosis, light micrograph
Miliary tuberculosis. Light micrograph of a section through a single miliary tubercle (left) in a patients lung. Tubercles are nodular lesions of infected dead tissue that arise from tuberculosis (TB)

Harlequin ladybird. Dorset, UK October 2009

Lonicera tatarica
Tatarian Honeysuckle (Lonicera tatarica) in flower

Japanese Knotweed (Reynoutria japonica)
Japanese knotweed sprouting in spring. Dorset, UK April 2007

Pacific oysters (Crassostrea gigas). This oyster, which is edible, is native to the Pacific coasts of Asia. It has been introduced to other coastal areas worldwide

Bermuda buttercup (Oxalis pes-caprae) flowers. This species was introduced from South Africa and is now a widespread weed across the Mediterranean. Photographed on the Mani peninsula, Greece

Conringia orientalis
Hares Ear Cabbage (Conringia orientalis) in flower in France. This plant is an introduced arable weed which is rare in the United Kingdom

False Acacia (Robinia pseudacacia) invading abandoned grassland near Malancrav, Saxon villages, Transylvania, Romania

Ludwigia uruguayensis invading a river
South American Water Primrose (Ludwigia uruguayensis) invading the River Cher at St. Aignon in France

Kahili Ginger (Hedychium gardnerianum)
Flowers of Kahili Ginger (Hedychium gardnerianum), also known as Ginger Lily

Purple Moor Grass (Molinia caerulea)
The spent stalks of Purple Moor Grass (Molinia caerulea) form pale drifts on the Dorset heathlands in the UK. This grass can easily become dominant, crowding out other heathland species

European wand loosestrife flowers
European wand loosestrife (Lythrum virgatum) flowers

Purple loosestrife (Lythum The Beacon )
Purple loosestrife flowers (Lythrum The Beacon )

Corydalis nobilis flowers. This is an invasive weed that was originally native to Russia. Photographed in the Caucasus

Californian stinkweed (Navarretia squarrosa). This invasive weed has been fully naturalised to New Zealand, from the USA

Water cabbage (Pistia stratiotes) floating in water

Spanish flag (Lantana camara)
Spanish flag flowers (Lantana camara). This plant is an invasive weed that spreads quickly due to the disperal of seeds by birds. It is found in India, Australia, and Africa

Japanese knotweed (Fallopia japonica) growing rapidly after being cut back. Japanese knotweed is a tough, highly invasive perennial, that was introduced to this country by the Victorians

Giant hogweed (Heracleum mantegazzianum)
Giant hogweed foliage (Heracleum mantegazzianum). The sap of this plant contains a substance which causes photodermatitis, which is increased sensitivity of the skin to ultra-violet light

USA, Florida, Cuban Tree Frog

USA, Oregon, Portland. Close-up of Queen Annes lace wildflower. Credit as: Steve Terrill / Jaynes Gallery / Danita Delimont

USA, Colorado, Frisco. Close-up of European starling bird standing on log. Credit as: Fred J. Lord / Jaynes Gallery / Danita Delimont

South American Water Primrose (Ludwigia uruguayensis = Ludwigia hexapetala) invading the River Cher at St
ROG-13123 South American Water Primrose - invading the River Cher at St. Aignon, France Ludwigia uruguayensis Serious pest

Mass of Bermuda Buttercups (Oxalis pes-caprae) - a very invasive weed from South Africa - and a Carob tree
ROG-13259 Mass of Bermuda Buttercups - a very invasive weed from South Africa - and a Carob tree south Cyprus. Oxalis pes-caprae Bob Gibbons Please note that prints are for personal display purposes

Hottentot Fig (Carpobrotus edulis f. rubescens) from South Africa, widely naturalised in south Europe. Crete
ROG-13284 Hottentot Fig from South Africa, widely naturalised in south Europe. Crete Carpobrotus edulis var. rubescens Bob Gibbons Please note that prints are for personal display purposes only

Wild Poppy or Field Poppy (Papaver rhoeas) against sea and sky; Mani Peninsula, Peloponnese, south Greece
ROG-13323 Wild Poppy or Field Poppy - against sea and sky Mani Peninsula, Peloponnese, south Greece. Papaver rhoeas Bob Gibbons Please note that prints are for personal display purposes only

Groundsel (Senecio vulgaris) in flower; common annual weed. Dorset
ROG-13411 Groundsel - in flower; common annual weed. Dorset, UK Senecio vulgaris Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in any way

Creeping thistle (Cirsium arvense) in flower. Widespread weed. Dorset
ROG-13409 Creeping thistle - in flower. Widespread weed. Dorset, UK Cirsium arvense Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in any way

Mexican fleabane (Erigeron karvinskianus). From Mexico, Widely naturalised in UK
ROG-12716 Mexican fleabane From Mexico, Widely naturalised in UK Erigeron karvinskianus Bob Gibbons Please note that prints are for personal display purposes only

New Zealand pigmy-weed (Crassula helmsii). Widely naturalised invasive pest. New Forest
ROG-12697 New Zealand pigmy-weed Widely naturalised invasive pest. New Forest, UK Crassula helmsii Bob Gibbons Please note that prints are for personal display purposes only

Water Hyacinth Plants - Lake Naivasha Kenya
MAB-1218 Water Hyacinth Plants Lake Naivasha Kenya Eichhornia crassipes Mark Boulton Please note that prints are for personal display purposes only and may not be reproduced in any way

Wild Poppy or Field Poppy (Papaver rhoeas) against sea and sky; Mani Peninsula, Peloponnese, south Greece
ROG-13324 Wild Poppy or Field Poppy - against sea and sky Mani Peninsula, Peloponnese, south Greece. Papaver rhoeas Bob Gibbons Please note that prints are for personal display purposes only

Golden orb-weaver spider. Costa Rica
ROG-12107 Golden orb-weaver spider Costa Rica Nephila clavipes Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in any way

Channeled apple snail eggs - These snails are invasive in Florida and not native
JZ-3355 Channeled apple snail eggs - These snails are invasive in Florida and not native Snail kites have been so far doing well with them

Himalayan Balsam - growing in ditch
USH-1289 Himalayan BALSAM / Policeman's Helmet - growing in ditch Impatiens glandulifera Duncan Usher Please note that prints are for personal display purposes only

Himalayan Balsam ROG 8665 (Policeman's Helmet) Impatiens glandulifera © Bob Gibbons / ARDEA LONDON
ROG-8665 Himalayan BALSAM / Policeman's Helmet - in flower Impatiens glandulifera Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in anyway

Spartina / Cord / Rice Grass Hampshire UK
ROG-3799 Common Cord-grass / Rice Grass Hampshire, UK Spartina anglica Hybridisation between the British native small cord-grass (Spartina maritima)

Corydalis nobilis, an invasive weed, from Russia
ROG-12406 Corydalis nobilis, an invasive weed, from Russia Corydalis nobilis Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in anyway

Common Salvinia. A floating water fern. Invasive in North America, originally from S. America. USA
ROG-12161 Common Salvinia - a floating water fern. Invasive in North America, originally from S. America. Florida, USA Salvinia minima Bob Gibbons Please note that prints are for personal display

Brassica tournefortii
ROG-11841 Asian / African / Sahara mustard or Wild turnip - an invasive, non-native alien weed that has become naturalised California

Mass of Bermuda buttercup, (single and double forms) taking over cultivated terraces. Introduced from South Africa
ROG-11695 Mass of Bermuda buttercup, (single and double forms) taking over cultivated terraces Introduced from South Africa to Chios, Greece

New Zealand Pigmyweed
ROG-11595 Australian Swamp STONECROP / New Zealand Pigmyweed - in flower Invasive, alien Crassula helmsii Introducted to the United Kingdom from Tasmania in 1911

Himalayan Balsalm / Policeman's Helmet
ROG-10897 Himalayan BALSAM / Policeman's Helmet Impatiens glandulifera Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in anyway

Cocksfoot Grass In flower
ROG-10939 Cocksfoot GRASS in flower Dactylis glomerata Bob Gibbons Please note that prints are for personal display purposes only and may not be reproduced in anyway

Saint Helena - tree ferns & invasive New Zealand fax
PS-10474 St Helena - Tree Ferns and invasive New Zealand Flax (Phormium tenax) Dicksonia aborescens Peter Steyn Please note that prints are for personal display purposes only

All Professionally Made to Order for Quick Shipping

"Invasive: The Silent Intruders of Nature's Balance" Harlequin Ladybird - with 7-spot Ladybird on the left: Nature's vibrant colors intertwine, but amidst them lurks an invader disrupting harmony. Oxford ragwort (Senecio squalidus) - a widespread naturalized weed: Once a foreign beauty, now an unwelcome guest, spreading its roots across the land. Rose-ringed / ring-necked parakeets (Psittacula krameri) in flight on their way to roost in an urban cemetery, London, UK. January: Foreign wings grace our skies as these exotic birds seek refuge among tombstones and concrete jungles. Hybrid bluebell, common x Spanish. Invasive in the British countryside (Hyacinthoides non-scripta x H. Hispanica): A delicate fusion born from two worlds collides with native flora, altering landscapes forevermore. Oriental Staff Vine (Celastrus orbiculatus), introduced invasive species; close-up of fruit, New York State, U. S. A: Its fruits bear witness to its conquest over native plants – a silent invasion reshaping ecosystems afar. Giant Hogweed: Towering above all else with toxic might; this colossal intruder casts shadows upon nature's delicate balance. Kahili Ginger or Ginger Lily Hedychium gardnerianum from the eastern Himalayas; common as a weed in Hawaii, New Zealand and elsewhere: From distant lands it came bearing fragrant blooms that deceive our senses while overpowering local habitats. Lesser periwinkle in old woodland - Vinca minor: Innocent yet tenacious vines creep through ancient forests like invaders claiming territory underfoot. European green crab (Carcinus maenas), an invasive species in North America - Kejimkujik National Park.