Kim Taylor / Common Carder Bee {Bombus pascuorum} queen collecting nectar from Comfrey, Surrey, England.

Phil Savoie / Early bumblebee (Bombus partorum) feeding on Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Phil Savoie / Buff tailed bumblebee (Bombus terrestris) feeding on Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. June.

Phil Savoie / Tree bumblebee (Bombus hypnorum), nectar robbing from Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Phil Savoie / Early bumblebee (Bombus partorum) nectar robbing Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Phil Savoie / Red Mason bee (Osmia bicornis) female nectar robbing from comfrey, Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May

Phil Savoie / Early bumblebee (Bombus partorum), flying to Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May.

Heather Angel / Prickly comfrey (Symphytum asperum), flowers open red and change to blue. Caucasus, Russia. June.

Heather Angel / Garden bumblebee (Bombus hortorum) queen nectaring on Comfrey (Symphytum 'Hidcote Pink') flowers. In garden, Surrey, England, UK. March.

Phil Savoie / Early bumblebee (Bombus pratorum) worker feeding on Comfrey (Symphytum officinale), robbing nectar by piercing the flower base to drink nectar without pollinating, Monmouthshire, Wales, UK, May.

Phil Savoie / Tree bumblebee (Bombus hypnorum) feeding on Comfrey (Symphytum officinale), robbing nectar by piercing the flower base to drink nectar without pollinating, Monmouthshire, Wales, UK, May.

Phil Savoie / Common carder bumblebee (Bombus pascuorum), feeding on Comfrey (Symphytum officinale), Monmouthshire, Wales, UK. May

Ernie Janes / Comfrey 'Hidcote Blue' (Symphytum sp) (also known as comphrey) in herb garden

Dave Bevan / Common brimstone (Gonepteryx rhamni) nectaring on Common comfrey flowers (Symphytum officinale) before being displaced by a Bumblebee (Bombus), Norfolk, England, UK, June.

Nick Upton / Scarlet tiger moth (Callimorpha dominula) resting with its wings closed on a Comfrey leaf (Symphytum officinale) Wiltshire, UK, June.

Wild Wonders of Europe / Widstrand / Comfrey (Symphytum officinale) Tarcu mountains nature reserve, Natura 2000 area, Southern Carpathians, Romania, May.

Kim Taylor / Sloe shield bug (Dolycoris baccarum) on Comfrey (Symphytum officinale). Surrey, England, UK, June. Digitally enhanced.

Will Watson / Male Hairy-footed Flower Bee (Anthophora plumipes) in flight vsiting Creeping Comfrey (Symphytum grandiflorum), garden, Herefordshire, England.

Will Watson / Common carder bee (Bombus pascuorum) pollinating Creeping comfrey (Symphytum grandiflorum) in garden, Herefordshire, England, UK, May.

Nick Upton / Garden bumblebee (Bombus hortorum) worker nectars on Common comfrey flowers (Symphytum officinale) in a patch planted by the Bumblee Conservation Trust on farmland, Romney Marshes, Suffolk, UK, June.

Nick Upton / Common comfrey (Symphytum officinale) flower patch planted by the Bumblee Conservation Trust on farmland to provide food for pollinators, Romney Marshes, Suffolk, UK, June.

Nick Upton / Sunfly (Helophilus trivittatus) nectaring on Common comfrey flowers (Symphytum officinale) in a patch planted by the Bumblebee Conservation Trust on farmland, Romney Marshes, Suffolk, UK, June.

Nick Upton / Honey bee (Apis mellifera) nectaring by inserting its proboscis through a hole it ahs chewed inthe base of a Common comfrey flower (Symphytum officinale) in a patch planted by the Bumblebee Conservati...

MYN / Niall Benvie / Russian comfrey (Symphytum x uplandicum) in the field studio, Scotland, UK, May.

Nick Upton / Common comfrey (Symphytum officinale) flowering on the banks of the River Avon, Lacock, Wiltshire, UK, May.

Nick Upton / Common comfrey (Symphytum officinale) flowering on the banks of the River Avon, Lacock, Wiltshire, UK, May.

MYN / Marko Masterl / Common comfrey (Symphytum officinale) in flower, Europe, June. meetyourneighbours.net project

Colin Varndell / Common comfrey (Symphytum officinale) flower. Wiltshire, UK May

Philippe Clement / Common Comfrey / Quaker Comfrey / Boneset / Knitbone (Symphytum officinale) in flower. Belgium, May.

Philippe Clement / Common Comfrey / Quaker Comfrey / Boneset / Knitbone (Symphytum officinale) in flower. Belgium, May.

Terry Whittaker / 2020VISION / Common Comfrey (Symphytum officinale) flowering on Wicken Fen, Cambridgeshire, UK, June

Terry Whittaker / 2020VISION / Common Comfrey (Symphytum officinale) flowering on Wicken Fen, Cambridgeshire, UK, June

Terry Whittaker / 2020VISION / Common Comfrey (Symphytum officinale) flowering on managed grassland, Wicken Fen, Cambridgeshire, UK, June

Terry Whittaker / 2020VISION / Bee visiting flower of Common Comfrey (Symphytum officinale) on managed grassland, Wicken Fen, Cambridgeshire, UK, June

Terry Whittaker / 2020VISION / Bee visiting flower of Common Comfrey (Symphytum officinale) on managed grazing land, Wicken Fen, Cambridgeshire, UK, June.

Gary K. Smith / Comfrey (Symphytum ibericum) 'Hidcote Blue' in flower. Norfolk, England, April.

Robert Thompson / Comfrey (Symphytum officinale) growing through leaf litter. Plitvice National Park, Croatia, May 2010.

Adrian Davies / Common Comfrey (Symphytum officinale) in flower. UK, April.

Adrian Davies / Common Comfrey (Symphytum officinale) in flower. UK, April.

Colin Varndell / Male Brimstone Butterfly (Gonepteryx rhamni) at rest on comfrey flower, its wings perfectly mimicking a leaf. Dorset, UK, April.

Colin Varndell / Male Brimstone Butterfly (Gonepteryx rhamni) at rest on comfrey flower, its wings perfectly mimicking a leaf. Dorset, UK, April.

Nick Upton / Common comfrey (Symphytum officinale) flowering in a hay meadow. Gloucestershire, UK, June.

Nick Upton / Common comfrey (Symphytum officinale) flowering in a hay meadow. Gloucestershire, UK, June.

Nick Upton / Scarlet Tiger Moth caterpillar (Callimorpha dominula) feeding on Common Comfrey leaf (Symphytum officinale) Wiltshire, UK, April.

Wild Wonders of Europe / Tønning / Rough / Prickly Comfrey (Symphytum asperum) in flower, near Meysembourg, Larochette, Mullerthal, Luxembourg, May 2009

Kim Taylor / Garden Black Ant (Lasius niger) two worker ants feeding on a drop of honeydew from a Black aphid on Comfrey stem. Surrey, UK

Kim Taylor / Garden Black Ant (Lasius niger) workers tending a Black aphid colony on Comfrey stem. Surrey, UK

Kim Taylor / Spider (Araniella cucurbitina) on Comfrey flowers, Surrey, UK

Kim Taylor / Bumble bee {Bombus sp.}, either buff-tailed or white-tailed bumblebee worker 'robbing' Comfrey flower. Nectar robbing bees use their mandibles to chew a hole in the base of the flower and then lap up...

Philippe Clement / Purple Comfrey in flower {Symphytum officinale} Belgium

Kim Taylor / St Mark's Fly (Bibio marci) male resting on leaf, UK.

PREMAPHOTOS / Early bumblebee {Bombus pratorum} collecting nectar from Comfrey flower. UK

WILLIAM OSBORN / Comfrey in flower, England, UK

Kim Taylor / Broad / Wide bodied chaser dragonfly (Libellula depressa) female on Comfrey, Surrey, England

Paul Harcourt Davies / Tuberous comfrey (Symphytum tuberosum) in flower, Podere Montecucco, Orvieto, Umbria, Italy. March.

Paul Harcourt Davies / Tuberous comfrey (Symphytum tuberosum) in flower, Podere Montecucco, Orvieto, Umbria, Italy. March.

Will Watson / White comfrey (Symphytum orientale), naturalised, in flower, Priory Park, Herefordshire, England, UK. April. Focus stacked.

Niall Benvie / Common comfrey (Symphytum officinalis) against white background, Scotland, UK. August.

Andy Sands / Comfrey weevil (Mogulones asperifoliarum) a mating pair of this tiny weevil that is associated with Comfrey plants, Hertfordshire, England, UK, May - Focus Stacked

Linda Pitkin / Hidcote comfrey (Symphytum officinale x asperum x grandiflorum = S. 'Hidcote Blue') Staffhurst Wood, Surrey, England, April.