Related Program: NatureNotes These Flatworms Are Often Out of Sight By Rudy Mancke • Aug 10, 2017 Related Program: NatureNotes TweetShareGoogle+Email A Land Planarian. Martin LaBar [CC BY-NC 2.0], via Flickr Several listeners have reported sightings of these odd looking creatures. The Land Planarian is a non-native species. Listen Listening... / 1:00 NatureNotes is a production of South Carolina Public Radio. Tags: NatureNatureNotesSCETV AppflatwormsTweetShareGoogle+EmailView the discussion thread.