condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.4533706666666667 0.0 1.08525 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 11.1753 0.0 33.5259