condition mean min max Sterile Leaflet 0.097986 0.0 0.293958 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 0.5898823333333334 0.0 1.10813 Root 6.465306666666667 3.15453 12.4821