condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.260067 0.0 0.780201 Petiole 0.0 0.0 0.0 Crozier 0.046972999999999994 0.0 0.140919 Rhizome 0.6779233333333333 0.0 2.03377 Root 50.85702333333334 3.91707 82.0258