condition mean min max Sterile Leaflet 10.0665 0.0 30.1995 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 0.2236072 0.0 0.587574 Rhizome 0.0 0.0 0.0 Root 0.14191399999999998 0.0 0.303509