Stephen Dalton / Himalayan balsam (Impatiens glandulifera) flowers, UK

Jeff Vanuga / Arrowleaf balsamroot {Balsamorhiza sagittata} in flower, Grand Teton National Park, Wyoming, USA, June 2008

Jeff Vanuga / Arrowleaf balsamroot {Balsamorhiza sagittata} in flower, Grand Teton National Park, Wyoming, USA, June 2008

Pete Oxford / Balsam bog (Bolax gummifera) Cape Dolphin, East Falkland, Falkland Islands

Paul Hobson / Himalayan Balsam {Impatiens glandulifera} flowers, Peak District NP, Derbyshire, UK

Paul Hobson / Himalayan Balsam {Impatiens glandulifera} mass of flowers, Peak District NP, Derbyshire, UK

Paul Hobson / Himalayan Balsam {Impatiens glandulifera} seed pods, Peak District NP, Derbyshire, UK

Paul Hobson / Bee {Colletes sp} flying to Himalayan balsam flower {Impatiens glandulifera} Peak District NP, Derbyshire, UK

Paul Hobson / Bumble bee {Bombus sp} feeding from Himalayan Balsam flower {Impatiens glandulifera} Peak District NP, Derbyshire, UK

Paul Hobson / Himalayan Balsam {Impatiens glandulifera} mass of flowers, Peak District NP, Derbyshire, UK

Paul Hobson / White tailed bumble bee {Bombus lucorum} flying to flower of Himalayan Balsam {Impatiens glandulifera} time lapse, Peak District NP, Derbyshire, UK

Paul Hobson / Himalayan Balsam flowers {Impatiens glandulifera} Peak District NP, Derbyshire, UK

Paul Hobson / Himalayan Balsam flowers {Impatiens glandulifera} Peak District NP, Derbyshire, UK

Paul Hobson / White tailed bumble bee {Bombus lucorum} flying to flower of Himalayan Balsam {Impatiens glandulifera} Peak District NP, Derbyshire, UK

Paul Hobson / Himalayan Balsam {Impatiens glandulifera} seed pods, Peak District NP, Derbyshire, UK

Ross Hoddinott / Himalayan / Indian balsam {Impatiens balsamifera} plant in flower. Invasive species and difficult to control / manage due to the ways its seed heads explode to spread the plant. Parke (NT) Bovey Tracy...

Niall Benvie / Himalayan Balsam (Impatiens glandulifera), Angus, Scotland

Niall Benvie / Himalayan balsam flowers {Impatiens glandulifera} Scotland, UK, July meetyourneighbours.net project

MYN / Niall Benvie / Himalayan balsam flower {Impatiens glandulifera} Scotland, UK, July meetyourneighbours.net project

MYN / Niall Benvie / Balsam poplar {Populus gileadensis} leafing out, Angus, Scotland , UK meetyourneighbours.net project

MYN / Niall Benvie / Balsam poplar {Populus gileadensis} leafing out, Angus, Scotland, UK meetyourneighbours.net project

MYN / Niall Benvie / Balsam poplar {Populus gileadensis} leafing out, Angus, Scotland, UK meetyourneighbours.net project

Pete Oxford / Balsam bog {Bolax gummifera} Falkland Islands

Nature Production / Japanese Wood Ants {Formica japonica} attracted to nectar of Garden Balsam flowers {Impatiens balsamina} Japan

Tim Fitzharris / Balsamroot Sunflower (Balsamorhiza sagittata) patch, Grand Teton National Park, Wyoming

Nature Production / Indian Balsam {Impatiens balsamina} seeds bursting from seed pod and blowing in the wind, Japan

Jeff Vanuga / Arrowleaf Balmroot / Balsam root {Balsamorhize sagittata} in bloom, South Pass looking into Red Canyon, near Lander, Wyoming, USA

Mark Raycroft / Standard Schnauzer (Canis familiaris) adult and puppy laying in grass beneath impatiens flowers

Adrian Davies / Himalayan Balsam {Impatiens glandulifera} Dartmoor, UK.

Pete Oxford / Balsam Bog in Gypsy Cove, East Falkland Island, Falklands

Pete Oxford / Balsam bog {Bolox gummifera} Gypsy Cove, East Falkland Island, Falkland Islands

Philippe Clement / Touch me not flower {Impatiens noli tangere} Luxembourg

Philippe Clement / Balsam poplar / Black cottonwood trees {Populus balsamifera} in autumn colours, Denali NP, Alaska, USA

Kim Taylor / Stone fly {Leuctra fusca} on balsam flower, Europe

Michael & Patricia Fogden / Scintillant Hummingbird (Selasphorus scintilla) immature male feeding at Balsam (Impatiens sp) flowers, Monteverde Cloud Forest Reserve, Costa Rica

Jim Brandenburg / Balsam (Impatiens sp) flower against setting sun, Northwoods, Minnesota

Adrian Davies / Balsam pear flowers + seedpod {Momordica charantia} Everglades, Florida, USA

Yva Momatiuk & John Eastcott / Balsam Poplar (Populus balsamifera) leaves, Grand Teton National Park, Wyoming

Donald M. Jones / Mule Deer (Odocoileus hemionus) buck in Balsamroot Sunflower (Balsamorhiza sagittata) field, western Montana

Duncan Usher / Common Kingfisher (Alcedo atthis) on Himalayan Balsam (Impatiens glandulifera), Germany

Duncan Usher / Balsamroot Sunflower (Balsamorhiza sagittata) Yellowstone National Park, Wyoming

Duncan Usher / Balsamroot Sunflowers (Balsamorhiza sagittata) and Teton Range, Grand Teton National Park, Wyoming

Duncan Usher / Balsamroot Sunflower (Balsamorhiza sagittata), Grand Teton National Park, Wyoming

Matthias Breiter / Balsam Poplar (Populus balsamifera) new growth, Kenora, Ontario, Canada

Tim Fitzharris / Balsamroot Sunflower (Balsamorhiza sagittata) flowering on beach, Coral Pink Sand Dunes State Park, Utah

Mark Raycroft / Chihuahua (Canis familiaris) puppies

Mark Raycroft / Chihuahua (Canis familiaris) puppies

Mark Raycroft / Basset Hound (Canis familiaris) puppy

Mark Raycroft / Basset Hound (Canis familiaris) puppies

Mark Raycroft / Basset Hound (Canis familiaris) puppy smelling flowers

Stephen Dalton / Indian / Touch-me-not balsam (Impatiens balsamina) flowers, UK

Chris O'Reilly / Himalayan balsam (Impatiens glandulifera) seedlings in moss (Mnion hornum)

Jack Dykinga / Autumn coloured Aspen (Populus tremuloides) and Birch (Betula sp.) leaves among White fir (Abies amabilis) cones on the forest floor, Figure Eight lake Provincial Park, Alberta, Canada. September.

Robin Chittenden / Himalayan balsam (Impatiens glandulifera) in flower, Norfolk, England, UK. July.

Robin Chittenden / Himalayan balsam (Impatiens glandulifera) in flower, Norfolk, England, UK. July.

Will Watson / Himalayan balsam (Impatiens glandulifera) in flower along riverbank, with fly fisherman casting on the River Wye, Breinton, Herefordshire, England, UK. September, 2023. Model released.

Richard Flack / Magpie shrike (Lanius melanoleucus) perched on branch in Mopane (Colophospermum mopane) woodland, Kruger National Park, South Africa.

Jack Dykinga / White Fir (Abies concolor) trunks covered with moss amid Giant sequoia (Sequoia dendrongiganteum) grove, Sequoia National Park, California, USA.

Doug Wechsler / Two Ferruginous carpenter ants (Camponotus chromaiodes) on a Common jewelweed leaf (Impatiens capensis) sharing food with Aphids (Aphididae) they are tending, Bucks County, Pennsylvania, USA. Septembe...

Colin Varndell / Indian / Himalayan balsam (Impatiens glandulifera) seedlings, Dorset, UK. May.

Scott Leslie / Black Spruce (Picea mariana) and Balsam Fir (Abies balsamea) forest in winter, Cape Breton Highlands National Park, Nova Scotia, Canada

Jack Dykinga / Balsamroot (Balsamorhiza sagittata) flowering, with a view of Joseph Creek Canyon at dawn, Nez Perse Indian Reservation, Oregon, USA.

Linda Pitkin / Orange balsam (Impatiens capensis) in flower, Kew, London, England. August.

Will Watson / Himalayan balsam (Impatiens glandulifera), non-native invasive species, seedlings on river bank, River Frome, Herefordshire, England, UK. April, 2021.

Will Watson / Himalayan balsam (Impatiens glandulifera), non-native invasive species, seedlings on river bank, River Frome, Herefordshire, England, UK. April, 2021.

Jack Dykinga / Giant Sequoia (Sequoiadendron giganteum) tree trunk with marks from fire, White fir (Abies concolor) trees in background, Sequoia National Park, California, USA.

Jack Dykinga / Giant sequoia (Sequoiadendron giganteum) tree trunks with White firs (Abies concolor) in background, framed by blooming Western dogwood (Cornus nuttallii), Sequoia National Park, California, USA.

Will Watson / Himalayan balsam (Impatiens glandulifera) flowering near Bredwardine Bridge, River Wye SSSI and SAC, Herefordshire, England, August.

Nick Upton / Orange balsam / Common jewelweed (Impatiens capensis) a North American plant naturalised in the UK, flowering by the Kennet and Avon Canal, Limpley Stoke, Wiltshire, UK, August.

Linda Pitkin / Small balsam (Impatiens parviflora). Surrey, England, UK. July.

John Shaw / Arrowleaf balsamroot (Balsamorhiza sagittata), lupins (Lupinus sp.), and Oregon manroot (Marah oregonus) in bloom at Tom McCall Nature Reserve, Rowena Plateau, Columbia River Gorge, Oregon, USA. May.

John Shaw / Arrowleaf balsamroot (Balsamorhiza sagittata) and lupins (Lupinus sp.), Columbia River Gorge, Oregon, USA. April.

John Shaw / Arrowleaf balsamroot (Balsamorhiza sagittata) and lupin (Lupinus sp.), Columbia River Gorge, Oregon, USA. April.

Terry Whittaker / Honey bee (Apis mellifera) collecting pollen from Himalayan balsam (Impatiens glandulifera). River Tame floodplain, Reddish Vale, Greater Manchester, England, UK. August.

Terry Whittaker / Honey bee (Apis mellifera) collecting pollen from Himalayan balsam (Impatiens glandulifera). River Tame floodplain, Reddish Vale, Greater Manchester, England, UK. August.

Terry Whittaker / Honey bee (Apis mellifera) collecting pollen from Himalayan balsam (Impatiens glandulifera). River Tame floodplain, Reddish Vale, Greater Manchester, England, UK. August.

Terry Whittaker / Himalayan balsam (Impatiens glandulifera). River Tame floodplain, Reddish Vale, Greater Manchester, England, UK. August.

Terry Whittaker / Himalayan balsam (Impatiens glandulifera) flowering in profusion on River Tame floodplain, tower blocks in background. Reddish Vale, Greater Manchester, England, UK. August 2020.

Jack Dykinga / Scarlet Monkey Flowers (Mimulus cardinalis) with White Firs (Abies concolor) amid steep canyon walls and cascades, Zion National Park, Utah, USA.

Linda Pitkin / Orange balsam (Impatiens capensis). Hampton Court, Richmond Upon Thames, England, UK. August.

Linda Pitkin / Small balsam (Impatiens parviflora), Surrey, England, May.

Linda Pitkin / Small balsam (Impatiens parviflora) in woodland, Surrey, England, May.