Nick Upton / Flowering Horseshoe vetch (Hippocrepus comosa) clump overhanging a limestone boulder, chalk grassland, Wiltshire, UK, May.
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Nick Upton / Horseshoe vetch (Hippocrepis comosa) flowering in a chalk grassland meadow, Wiltshire, UK, May.
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Nick Upton / Horseshoe vetch (Hippocrepis comosa) flowering in a chalk grassland meadow, Wiltshire, UK, May.
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Nick Upton / Flowering Horseshoe vetch (Hippocrepus comosa) clump overhanging a limestone boulder, chalk grassland, Wiltshire, UK, May.
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Nick Upton / Horseshoe vetch (Hippocrepis comosa) flowering in a chalk grassland meadow, Wiltshire, UK, May.
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Jean E. Roche / Erosion created by mountain stream through calcareous substrate. Provence-Alpes-Cotes-d'Azur, France. July.
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Nick Upton / Lady's bedstraw (Galium verum) flowering on a chalk grassland hilltop, Marlborough Downs, Wiltshire, UK. July.
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Nick Upton / Coralroot (Cardamine bulbifera), a rare plant in the UK, with distinctive bulbils on the stem which can drop off and take root, flowering in calcareous woodland, near Bath, UK. April.
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Nick Upton / Coralroot (Cardamine bulbifera), a rare plant in the UK, with distinctive bulbils on the stem which can drop off and take root, flowering in calcareous woodland, near Bath, UK. April.
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David Fleetham / Day octopus (Octopus cyanea) moving through a forest of calcareous algae, Hawaii.
