Creeping Buttercup - Ranunculus repens

Short to medium generally hairy plant with long creeping and rooting runners. Flowers golden yellow 20 to 30 mm in lax clusters, sepals erect.

Often confused with R bulbosus and R acris - all are common and found in grasslands

Basal leaves - a short section of stalk separates final leaf lobe from two basal side-lobes.  Sepals not turned down; fitting underneath the petals 

Photos of basal leaves and sepals (a side-on view of flower, not 'full face') 

Grassy habitats, especially on wet and heavy soils. Meadows, road verges, marshes, etc.

May to September.

Perennial.

Common throughout Britain.

Very common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 606 of the 617 tetrads.  Listed as Native and Frequent in the current Checklist (Jeeves, 2011)