condition mean min max Sterile Leaflet 8.659298 0.0 25.1106 Fertile Leaflet with Sori 0.724709 0.133469 1.06569 Primary Rachis 0.10580166666666667 0.0 0.20887 Petiole 0.041291 0.0 0.123873 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0