Many spleenworts are rare. Please do not harvest from the wild. Most spleenworts have very narrow ranges and narrow environmental tolerances. Don't co , Tolerance, Not salt tolerant of inundation by salty or brackish water. Low/no tolerance of salty wind or direct salt spray , Habitat, Around sinkholes and on rocks. Epiphytic on logs and trees. Moist sites. , Did You Know?, Interesting foliage