condition mean min max Sterile Leaflet 6.890863333333333 6.32546 7.95637 Fertile Leaflet with Sori 7.875063333333333 6.83449 9.03464 Primary Rachis 4.2943999999999996 3.87252 4.86522 Petiole 4.2752 3.46633 5.14567 Crozier 6.2945 4.82676 7.9678 Rhizome 7.28292 5.77298 9.19492 Root 4.003446666666667 2.07953 5.5045