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 0.03705323333333333 0.0 0.075847 Rhizome 0.0282121 0.0 0.0846363 Root 2.7241423 0.0 8.12974