condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.10943166666666666 0.0 0.328295 Rhizome 0.32291919999999996 0.0 0.912893 Root 3.154533333333333 0.66438 7.73133