condition mean min max Sterile Leaflet 0.14757233333333333 0.0 0.442717 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.41725999999999996 0.0 1.25178 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 19.2907 13.641 25.1394