Hypericum walteri, the greater marsh St. Johnswort or Walter's marsh St. John's Wort, is a flowering plant endemic to the eastern United States, from Texas to Delaware north to Illinois.[1][2] It grows along waterbodies such as lakes and streams, in marshes, and in swamp forests.[2][3]

References

  1. ^ "Hypericum walteri J.F.Gmel". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 30 September 2020.
  2. ^ a b "Hypericum walteri - Species Page - APA: Alabama Plant Atlas". floraofalabama.org. Retrieved 30 September 2020.
  3. ^ Weakley, Alan S. (2018), Flora of the Southern and Mid-Atlantic States, working draft of 20 August 2018, University of North Carolina Herbarium, North Carolina Botanical Garden, University of North Carolina at Chapel Hill