Commonly found in Latvia, it typically grows in dense clusters in lakes, ponds, ditches, and similar areas with stagnant or slow-flowing water. A perennial water plant of the buttercup family, the stem length varies depending on the depth of the growth location (usually 30-150 cm). The stem is floating and branched. It blooms from June to August.

Photo: www.redzet.eu.

Information sources: www.latvijasdaba.lv, Wikipedia