Marsh marigold, Caltha palustris, photographed in ultraviolet light (365 nm)

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Size: 3320px × 4980px
Photo credit: © Henri Koskinen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: black, bloom, blooming, blossom, caltha, finland, flower, fluorescence, fluorescent, light, luminescence, marigold, marsh, palustris, spring, springtime, ultraviolet, uv, wild