condition mean min max Sterile Leaflet 1.5385499999999999 0.4547 2.87546 Fertile Leaflet with Sori 0.8126789999999999 0.147912 1.6978 Primary Rachis 2.11522 1.08988 3.74563 Petiole 1.758368 0.823506 3.49589 Crozier 1.261318 0.494224 1.71902 Rhizome 3.50131 2.20437 5.24117 Root 1.7843806666666668 0.934152 3.39549