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 0.330232 0.303649 0.35149 Crozier 2.016635 0.633995 3.61321 Rhizome 0.0 0.0 0.0 Root 0.190762 0.0 0.572286