Robert Thompson / Beaked Lousewort ( Pedicularis rostratocapitiata) Col du Lombardie, Mercantour National Park, Provence, France, June.

MYN / Dirk Funhoff / Medick Broomrape (Orobanche lutea), Ilbesheim, Rhineland-Palatinate, Germany, May. meetyourneighbours.net project

MYN / Dirk Funhoff / Medick Broomrape (Orobanche lutea), Ilbesheim, Rhineland-Palatinate, Germany, May. meetyourneighbours.net project

MYN / Dirk Funhoff / Field Cow-wheat (Melampyrum arvense), Ilbesheim, Rhineland-Palatinate, Germany, May. meetyourneighbours.net project

MYN / Marko Masterl / Broomrape (Orobanche sp) in flower, Slovenia, Europe, May. meetyourneighbours.net project

Kim Taylor / Clove-scented broomrape (Orobanche caryophyllacea) flowering, France, July.

Kim Taylor / Eyebright (Euphrasia officinalis) flowers. Surrey, England, September.

Rod Williams / Eyebright (Euphrasia nemorosa) Hutchinson's Bank, New Addington, Croydon, South London, England, UK, August

Alex Hyde / Brimstone butterfly (Gonepteryx rhamni) on Yellow Rattle seed head (Rhinanthus minor). Peak District National Park, Derbyshire, UK. August.

Alex Hyde / Eyebright (Euphrasia officinalis) flower, Peak District National Park, Derbyshire, UK. June.

Alex Hyde / Yellow Rattle (Rhinanthus minor) ripe seed capsules on a white background in mobile field studio. Peak District National Park, Derbyshire, UK. June.

Alex Hyde / Yellow Rattle (Rhinanthus minor) ripe seed capsules. Derbyshire, UK. June.

Alex Hyde / Yellow Rattle (Rhinanthus minor) Derbyshire, UK. June.

Adrian Davies / Toothwort (Lathraea squamaria). Parasitic on Hazel. Surrey, England, April.

Adrian Davies / Toothwort (Lathraea squamaria) Parasitic on Hazel (Corylus) Surrey, England, April.

Adrian Davies / Toothwort (Lathraea squamaria). Parasitic on Hazel (Corylus) Surrey, England, April.

Ross Hoddinott / Marbled white butterfly (Melanargia galathea) resting on yellow rattle (Rhinanthus minor), Volehouse Farm, Devon, UK. June.

Floris van Breugel / Mt Rainier and a lenticular cloud at sunrise with lupins (Lupinus latifolius) and pink paintbrushes (Castilleja parviflora), Grand Park, Mount Rainier National Park, Washington, USA. August 2008.

Paul Harcourt Davies / Red Bartsia (Odontites verna) in flower, Terminillo, near Terni, Umbria, Italy, October.

Paul Harcourt Davies / Red Bartsia (Odontites verna) in flower, Terminillo, near Terni, Umbria, Italy, October.

Paul Harcourt Davies / Toothwort (Lathraea squamaria) in flower, a parasitc species on the roots of hazel and poplar, near Orvieto, Italy, April.

Paul Harcourt Davies / Bellardia (Bellardia trixago) in flower, semi-parasitic annual flower, Ferla, Sicily, Italy, April.

Juan Carlos Munoz / Indian paintbrush flowers (Castilleja) growing in rock face, Red Rock Canyon, Clark County, Nevada, USA, March.

Juan Carlos Munoz / Indian paintbrush flowers (Castilleja) growing in rock face, Red Rock Canyon, Clark County, Nevada, USA, March.

Tony Phelps / Scarlet Broomrape (Hyobanche sanguinea) in flower, Dehoop Nature Reserve, Western Cape, South Africa.

Nick Upton / Southern marsh orchids (Dactylorhiza praeternissa), Common spotted orchids (Dactylorhiza fuchsii), Yellow rattle (Rhinanthus minor) and Buttercups (Ranuncuus acris) flowering in a traditional hay mead...

Nick Upton / Dense stand of Yellow rattle (Rhinanthus minor) flowering in a chalk grassland meadow, Wiltshire, UK, June.

Nick Upton / Low angle view of a dense stand of Yellow rattle (Rhinanthus minor) flowering in a chalk grassland meadow, Wiltshire, UK, June.

Robert Thompson / Yellow rattle (Rhinanthus minor) in flower, Gedre, Pyrenees National Park, Hautes Pyrenees, France, July.

Robert Thompson / Fragrant orchid (Gymnadenia conopsea) and Yellow rattle (Rhinanthus minor) in flower, Gavarnie, Pyrenees National Park, France, June.

Dong Lei / Parasitic flower (Pedicularis sp) growing at high altidude, Shiqu county, Sichuan Province, China, August.

MYN / Krista Schlyer / Western Yellow Paintbrush (Castilleja occidentalis) Rocky Mountain National Park, Colorado, Rocky Mountain Bioblitz August 2012. Meetyourneighbours.net project

Adrian Davies / Slender Broomrape (Orobanche gracilis) growing parasitically on Birdsfoot Trefoil (Lotus corniculatus) on hillside with small building nearby, Picos de Europa, Spain

Adrian Davies / Slender Broomrape (Orobanche gracilis) growing parasitically on Birdsfoot Trefoil (Lotus corniculatus) Picos de Europa, Spain

Adrian Davies / Slender Broomrape (Orobanche gracilis) growing parasitically on Birdsfoot Trefoil (Lotus corniculata) Picos de Europa, Spain.

Adrian Davies / Slender Broomrape (Orobanche gracilis) growing parasitically on Birdsfoot Trefoil (Lotus corniculata) Picos de Europa, Spain.

Adrian Davies / Purple Toothwort (Lathraea clandestina) in botanic garden, Surrey, England. May.

MYN / Paul Harcourt Davies / Bellardia (Bellardia trixago) in flower, near Ferla, Sicily. May. Meetyourneighbours.net project

MYN / Paul Harcourt Davies / Bellardia (Bellardia trixago) semi-parasitic annual in flower near Ferla, Sicily. May. Meetyourneighbours.net project

MYN / Paul Harcourt Davies / Bellardia (Bellardia trixago) semi-parasitic annual in flower near Ferla, Sicily. May. Meetyourneighbours.net project

Nick Upton / Yellow Broomrape (Cistanche phelypaea) a parasite of Goosefoot plants (Amaranthaceae), flowering on sandy shore at edge of a saltmarsh. Alvor, Algarve, Portugal, June.

Paul Harcourt Davies / Branched broomrape (Orobanche ramosa) in flower, near Plakias, Crete, April

Paul Harcourt Davies / Bean Broomrape (Orobanche crenata) in flower, near Plakias, Crete, May

Paul Harcourt Davies / Southern red bartsia (Parentucellia latifolia) in flower, a semi-parasitic on grasses, Gious Kambos, Spili, Crete, April

Shibai Xiao / Desert broomrape (Cistanche deserticola) parasitizes root of Saxaul (Haloxylon ammodendron) the former is used for one of rare Chinese medicines, with man in background, Inner Mongolia, China, January...

Adrian Davies / Ivy broomrape (Orobanche hederae) parasitic effect on Ivy, Devon, England, July.

Guy Edwardes / 2020VISION / Detail of Greater broomrape (Orobanche rapumgenistae) flower, Coombe Bissett Down, Wiltshire, UK, May

Guy Edwardes / 2020VISION / Greater broomrape (Orobanche rapum genistae), Coombe Bissett Down, Wiltshire, UK, May

Guy Edwardes / 2020VISION / Greater broomrape (Orobanche rapumgenistae), Coombe Bissett Down, Wiltshire, UK, May

Guy Edwardes / 2020VISION / Greater broomrape (Orobanche rapumgenistae), Coombe Bissett Down, Wiltshire, UK, May

Guy Edwardes / 2020VISION / Greater broomrape (Orobanche rapumgenistae), Coombe Bissett Down, Wiltshire, UK, May

Steve Nicholls / Ivy broomrape flowers (Orobanche hederae) Leigh Woods, Bristol, UK, June

Adrian Davies / Common / Lesser Broomrape (Orobanche minor) growing parasitically on Sea Holly (Eryngium maritimum) Sandwich, Kent, England.

Adrian Davies / Common / Lesser Broomrape (Orobanche minor) growing parasitically on Sea Holly (Eryngium maritimum) Sandwich, Kent, England.

Paul Harcourt Davies / Bellardia (Bellardia trixago) flowers, Italy

Oriol Alamany / Yellow Broomrape (Cistanche tubulosa / phelypaea) flowering in the desert, Wadi Rum Protected Area, Jordan, April 2009

Wild Wonders of Europe / Maitland / Bedstraw broomrape (Orobanche caryophyllacea) in flower, Mount Baba, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Maitland / Thyme broomrape (Orobanche alba) in flower, Mount Baba, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Lilja / Broomrape (Orobanche sp) in flower, Falassarna, Crete, Greece, April 2009

Wild Wonders of Europe / Benvie / Broomrape (Orobanche gracilis) in flower, Digne les Bains, France, May 2009

Wild Wonders of Europe / Benvie / Broomrape (Cistanche phelypaea) in flower, killing its host Glasswort (Salicornia sp) Odiel River, Las Marismas, Huelva, Andalucia, Spain, April 2009

Wild Wonders of Europe / Benvie / Broomrape (Cistanche phelypaea) in flower, Huelva, Spain, April 2009

Wild Wonders of Europe / Benvie / Broomrape (Cistanche phelypaea) in flower growing in area of killed vegetation, ground covered in twigs, Huelva, Andalucia, Spain, April 2009

Wild Wonders of Europe / Benvie / Clove-scented broomrape (Orobanche caryophyllacea) Fliess, Naturpark Kaunergrat, Tirol, Austria, July 2008

Guy Edwardes / Ivy Broomrape (Orobanche hederae) flowers of yellowish form growing at 2000m, Provence, France, July

Guy Edwardes / Ivy Broomrape (Orobanche hederae) flowers of yellowish form growing at 2000m, Provence, France, July

Russell Cooper / Lesser broomrape {Orobanche minor} with its host plant Clover, UK

Jose B. Ruiz / Dense-flowered broomrape (Orobanche densiflora) on beach, Cape Trafalgar, Canos de Meca, Cadiz, Spain

Jose B. Ruiz / Dense-flowered broomrape (Orobanche densiflora) at dusk on beach, Cape Trafalgar, Canos de Meca, Cadiz, Spain

Jason Smalley / Greater broomrape {Orabanche rapum genistae} parasitc plant lacking in chlorophyll, Cambridgeshire, UK

Niall Benvie / Flower of the parasitic plant broomrape (Orobanchaceae sp) Lato, Crete

Nigel Marven / Broomrape {Orobanchaceae} amongst scrubland, Iran

Michael Hutchinson / Common / Lesser Broomrape {Orobanche minor} Bristol, UK

Philippe Clement / Close-up of Ivy broomrape {Orobanche hederae} La Brenne, France.

Philippe Clement / Close-up of Ivy broomrape {Orobanche hederae} La Brenne, France.

Philippe Clement / Close-up of Ivy broomrape {Orobanche hederae} La Brenne, France.

Philippe Clement / Close-up of Ivy broomrape {Orobanche hederae} La Brenne, France.

Philippe Clement / Ivy broomrape {Orobanche hederae} La Brenne, France.

Mark Payne-Gill / Desert hyacinth / Broomrape {Orobanchaceae} parasitic plant Bahrain

George McCarthy / Ivy broomrape flowering {Orobanche hederae} Isle of Wight, UK

Colin Varndell / Broomrape {Orobanche sp} UK

George McCarthy / Thyme broomrape, yellow variety {Orobanche alba}, The Burren, Republic of Ireland

George McCarthy / Broomrape {Orobanche family} growing amongst thyme, The Burren, Republic of Ireland

George McCarthy / Broomrape {Orobanche family} growing amongst thyme, The Burren, Republic of Ireland

Adrian Davies / Knapweed broomrape next to host plant that it parasitises, Southern England, UK

GRAHAM HATHERLEY / Parasitic broomrape {Cistanche phelypaea} among the desert plants it relies on, SE Morocco.

Jack Dykinga / Brittlebush (Encelia farinosa) and Owl's clover (Castilleja exserta) in flower amongst Saguaro cactus (Carnegiea gigantea) studded slopes, Sonoran Desert, Tonto National Monument, Arizona, USA, A...

Jack Dykinga / Brittlebush (Encelia farinosa) and Owl's clover (Castilleja exserta) in flower amongst Saguaro cactus (Carnegiea gigantea) studded slopes, Sonoran Desert, Tonto National Monument, Arizona, USA, A...

Jack Dykinga / Brittlebush (Encelia farinosa) and Owl's clover (Castilleja exserta) in flower amongst Saguaro cactus (Carnegiea gigantea) studded slopes, Sonoran Desert, Tonto National Monument, Arizona, USA, A...

Jack Dykinga / Brittlebush (Encelia farinosa) and Owl's clover (Castilleja exserta) in flower amongst Saguaro cactus (Carnegiea gigantea) studded slopes, Sonoran Desert, Tonto National Monument, Arizona, USA, A...

Jack Dykinga / Lupine (Lupinus sp.), Owl's clover (Castilleja exserta venusta) and Mexican poppies (Eschscholzia californica mexicana) in flower in meadow, Sonoran Desert National Monument, Arizona, USA, March...

Paul Harcourt Davies / Amethyst broomrape (Orobanche amethystea) in flower, Umbria, Italy. June.

Paul Harcourt Davies / Crested lousewort (Pedicularis comosa) in flower, Monte Vettore, Umbria, Italy. June.

Paul Harcourt Davies / Bellardia (Bellardia trixago) in flower in meadow, Vieste, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Branched broomrape (Orobanche ramosa) in flower in a field, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Bean broomrape (Orobanche crenata) in flower, Gargano, Puglia, Italy. April.