condition mean min max Sterile Leaflet 5.616273333333333 0.0 16.3343 Fertile Leaflet with Sori 0.797918 0.473784 1.2623 Primary Rachis 0.259244 0.0 0.777732 Petiole 0.097482 0.0 0.292446 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.07279566666666666 0.0 0.218387