condition mean min max Sterile Leaflet 0.015894233333333334 0.0 0.0476827 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.035313000000000004 0.0 0.105939 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.7782100000000005 1.34464 10.787