condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0053659 0.0 0.0160977 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.46291766666666667 0.173092 1.01508 Root 2.68717 2.00506 3.88414