condition mean min max Sterile Leaflet 0.7003876666666666 0.0 1.80504 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.071885 0.0 0.215655 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 5.0244333333333335 0.0 15.0733 Root 0.0 0.0 0.0