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 13.047353333333334 8.09486 18.2897 Rhizome 1.7823266666666666 0.0 3.91264 Root 0.0 0.0 0.0