pteridophobia means the fear of ferns.
Etymology
From pterido- (“fern”) + -phobia (“fear”).
noun
- The fear of ferns.“The name of the bravery medal awarded to messenger pigeons during the Second World War, the fact that Andy Warhol only ever wore green underpants, the name of the personnel on that Tampa Red recording from 1946 or the amazing titbit that Sigmund Freud suffered from pteridophobia, a fear of ferns”