condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.2758393666666667 0.0395151 0.641503 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11423633333333333 0.0 0.342709 Petiole 0.0 0.0 0.0 Crozier 0.128338 0.0 0.385014 Root 4.538905433333333 0.0503463 11.8347