condition mean min max Sterile Leaflet 0.6965045666666667 0.0 2.03771 Fertile Leaflet with Sori 12.9162011 0.0247733 30.9627 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.34933499999999995 0.0 0.854829