condition mean min max Sterile Leaflet 0.178849 0.0 0.536547 Fertile Leaflet with Sori 0.032760866666666666 0.0 0.0982826 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.0983799999999997 1.0127 3.17991