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 0.5219533333333334 0.0 1.56586 Rhizome 2.5101299999999998 0.0 4.77065 Root 0.0 0.0 0.0