condition mean min max Sterile Leaflet 1.8354996333333335 0.0 5.45159 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.059525400000000006 0.0 0.128175 Crozier 61.31206666666667 44.7705 80.1218 Rhizome 6.353226733333334 0.0 18.975 Root 0.195482 0.0 0.298303