Hypericum cistifolium is found in wet flatwoods, cypress swamp margins, and marshes. It is frequent nearly throughout the state of Florida and blooms in the summer (Wunderlin, 2003).
Roundpod St. John’s-Wort is located in Florida, Alabama, Georgia, Louisiana, Mississippi, North & South Carolina, and Texas (Kartesz, 1999).
fourpetal St. John’s wort (Hypericum tetrapetalum)
peelbark St. John’s wort (Hypericum fasciculatum)
Virginia marsh St. John’s wort (Triadenum virginicum)