condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.055727 0.0 0.167181 Rhizome 0.3485066666666667 0.0 1.04552 Root 12.239913666666668 0.206071 33.1255