condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.20941300000000002 0.0 0.317406 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.375041 0.0 6.2324 Root 18.336146666666668 6.73694 26.7781