condition mean min max Sterile Leaflet 0.14899766666666667 0.0 0.446993 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 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.7167433333333335 0.0 8.15023