condition mean min max Sterile Leaflet 3.627076666666667 2.96666 4.02791 Fertile Leaflet with Sori 4.27909 2.73856 6.47621 Petiole 2.99938 1.69094 3.87556 Crozier 4.040893333333333 1.64662 6.81024 Rhizome 4.18808 2.17184 7.97947 Root 3.98368 1.37379 8.89062