condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.004569933333333333 0.0 0.0137098 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.1092025 0.0 0.247805 Root 13.582553333333333 1.40006 23.9854