condition mean min max Sterile Leaflet 0.029581766666666665 0.0 0.0887453 Fertile Leaflet with Sori 18.29313666666667 7.39081 29.6321 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.1041057 0.0 0.235795 Root 0.0 0.0 0.0