Buttercup, Meadow buttercup, Ranunculus acris, Single yellow flower growing outdoor amid green foliage.

Buttercup, Meadow buttercup, Ranunculus acris, Yellow flowers in a meadow in Upper Teesdale, North Pennines, Co Durham.

Buttercup, Meadow buttercup, Ranunculus acris, Yellow flowers in a meadow in Upper Teesdale, North Pennines, Co Durham.

Buttercup, Meadow buttercup, Ranunculus acris, Yellow flowers in a meadow in Upper Teesdale, North Pennines, Co Durham.

Buttercup, Meadow buttercup, Ranunculus acris, Mass of small yellow coloured flowers growing outdoor.

Meadow buttercup, Ranunculus acris, abstract silhouettes of several stems, colour manipulated to green and purple on pastel mauve green background.

Buttercup, Meadow buttercup, Ranunculus acris growing in a grass meadow, several stems in sunlight.

Buttercup, Meadow buttercup, Ranunculus acris growing in a grass meadow, several stems in sunlight.

Buttercup, Ranunculus acris.

Buttercup, Ranunculus acris.

Buttercup, Ranunculus acris.

Buttercup, Ranunculus acris..