condition mean min max Sterile Leaflet 3.1297533333333334 2.82637 3.70471 Fertile Leaflet with Sori 4.14804 3.38067 5.44082 Petiole 7.1147133333333334 6.0982 7.67444 Rhizome 8.31386 7.30872 8.92701 Root 5.13772 4.41896 6.18678