condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0149633 0.0 0.0448899 Crozier 0.0 0.0 0.0 Rhizome 0.07516833333333334 0.0 0.225505 Root 8.006986666666666 3.74492 12.3411