condition mean min max Sterile Leaflet 1.204412 0.563466 1.93386 Fertile Leaflet with Sori 2.218611666666667 0.908765 3.01379 Primary Rachis 9.03108 5.56047 15.2953 Petiole 7.39414 3.91775 13.8351 Crozier 0.6409866666666667 0.365886 1.15969 Rhizome 5.592391 0.912463 11.6546 Root 0.306718 0.0 0.920154