condition mean min max Sterile Leaflet 0.41854399999999997 0.0 0.902057 Fertile Leaflet with Sori 3.26662 0.0 5.11511 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0