condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.96312 0.0 21.5369 Primary Rachis 0.040163333333333336 0.0 0.12049 Petiole 0.06367 0.0 0.19101 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0