condition mean min max Sterile Leaflet 0.360874 0.259827 0.423232 Fertile Leaflet with Sori 2.4378976666666667 0.085363 6.0043 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0266372 0.0 0.0799116 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.015612566666666668 0.0 0.0468377