condition mean min max Sterile Leaflet 0.33435333333333334 0.0 1.00306 Fertile Leaflet with Sori 4.1303849999999995 0.292845 9.23683 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.957678666666667 0.0 11.1974 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.126953 0.0 0.380859