condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 7.409286666666667 0.0 22.0354 Primary Rachis 0.289933 0.0 0.573779 Secondary Rachis 10.837133333333334 0.0 32.5114 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0