condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.9815333333333333 0.0 1.90414 Root 2.51064 1.07614 3.80789