condition mean min max Sterile Leaflet 1.78827 0.0 5.36481 Fertile Leaflet with Sori 2.7710927 0.0456781 6.99112 Primary Rachis 0.0520952 0.0430135 0.0642185 Petiole 0.0 0.0 0.0 Crozier 2.7266266666666668 2.333 3.38984 Rhizome 0.0529579 0.0 0.138604 Root 0.06306266666666667 0.0 0.189188