condition mean min max Sterile Leaflet 31.6844 0.0 95.0532 Fertile Leaflet with Sori 0.09429533333333334 0.0 0.282886 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0