condition mean min max Sterile Leaflet 0.13713956666666666 0.0307497 0.257959 Fertile Leaflet with Sori 3.2309666666666668 0.64113 6.56343 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.1993466 0.0317088 0.447707 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0115786 0.0 0.0347358