condition mean min max Sterile Leaflet 5.06291 1.6129 9.2243 Fertile Leaflet with Sori 0.747371 0.227909 1.17986 Primary Rachis 0.03793066666666667 0.0 0.113792 Secondary Rachis 0.061017133333333334 0.0 0.153112 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0