condition mean min max Sterile Leaflet 1.976976 0.0 4.9729 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.13363133333333332 0.0 0.400894 Secondary Rachis 0.33892266666666665 0.0 0.53452 Petiole 0.184626 0.0 0.344644 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0