Ross Hoddinott / Green-veined white butterfly (Pieris napi) resting on yellow rattle (Rhinanthus minor) flower, Volehouse Moor Nature Reserve, Devon, England, UK. July.
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Nick Upton / Alpine eyebright (Euphrasia alpina) flowering on montane pastureland among limestone rocks, Covadonga, Picos de Europa, Asturias, Spain, August.
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Colin Varndell / Red bartsia (Odontites verna) in flower. Hod Hill, Dorset, UK, July.
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Felis Images / Tube lousewort (Pedicularis siphonantha) flowers by a waterfall, Sikkim, India.
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Felis Images / Royle's lousewort (Pedicularis roylei) flowers, Sikkim, India.
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Felis Images / Royle's lousewort (Pedicularis roylei) flowers, Sikkim, India.
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Felis Images / Royle's lousewort (Pedicularis roylei) flowers, Sikkim, India.
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Felis Images / Royle's lousewort (Pedicularis roylei) flowers, Sikkim, India.
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Mike Read / Wildflowers growing in puszta grassland with Yellow rattle (Rhinanthus minor) near Tiszaalpar, Kiskunsag National Park, Hungary, June 2017
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Mike Read / Wildflowers growing in puszta grassland with Yellow rattle (Rhinanthus minor) near Tiszaalpar, Kiskunsag National Park, Hungary, June 2017
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Adrian Davies / Toothwort (Lathraea squamaria), parasitic on hazel (Corylus avellana) tree roots, ancient woodland indicator species. Surrey, England, UK. April.
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Adrian Davies / Toothwort (Lathraea squamaria), parasitic on hazel (Corylus avellana) tree roots, ancient woodland indicator species. Surrey, England, UK. April, 2018.
