condition mean min max Sterile Leaflet 0.007142233333333334 0.0 0.0214267 Fertile Leaflet with Sori 3.99215 2.01002 5.4552 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.017078 0.0 0.051234 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0