Hypericum elodes, commonly known as marsh St John's-wort,[3] is a species of flowering plant in the St. John's wort family Hypericaceae.

The spikes each bear a few yellow flowers that smell like resin.

The five sepals are downy, and the margins of the five petals are lined with red dots.

[4][5] Hypericum elodes grows in acidic conditions on marshy ground, bog pools, and pond margins.

[4] Hypericum elodes grows in Austria, Belgium, France, Germany, Great Britain, Ireland, Italy, the Netherlands, Portugal, and Spain.