condition mean min max Sterile Leaflet 1.7134099999999999 1.02749 3.02839 Fertile Leaflet with Sori 0.8153276666666667 0.0 1.78597 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.17863533333333334 0.0 0.28187 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0