condition mean min max Sterile Leaflet 5.0400323333333334 0.269237 11.1004 Fertile Leaflet with Sori 0.20554476666666666 0.0456063 0.423049 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.13848913333333335 0.0648474 0.200665 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0