Creeping Buttercup (Ranunculus repens) is a perennial weed found on lawns and grassy areas throughout the UK. florida medical malpractice attorney . This weed spreads aggressively via overground runners (stolons), which root at the nodes.This weed adapts to the maintenance regime and in lawns it forms as a low growing rosette which can tolerate close mowing. Creeping Buttercup is also a hard wearing weed that is able to withstand a lot of trampling and traffic, hence it is often found on pathways and gateways.The leaves of Creeping Buttercup bear three leaflets which are lobed. levinson medical center . Denver criminal attorney . Like most Buttercups the leaves are somewhat toxic to prevent then being eaten by grazing animals.The yellow flower which produce 5 petals appear between the months of May and August and are typical of all Buttercups.