condition mean min max Sterile Leaflet 0.404457 0.0 0.755987 Fertile Leaflet with Sori 3.3068389999999996 0.0 9.13544 Petiole 0.27145366666666665 0.0 0.814361 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.35817666666666664 0.0 1.07453