condition mean min max Sterile Leaflet 0.076807 0.0 0.230421 Fertile Leaflet with Sori 0.27345800000000003 0.0 0.820374 Petiole 0.0 0.0 0.0 Crozier 10.203662333333334 0.874717 26.7123 Rhizome 1.80215 0.0 4.23696 Root 1.3666696666666667 0.213582 3.67136