condition mean min max Sterile Leaflet 0.010783833333333333 0.0 0.0323515 Fertile Leaflet with Sori 2.154864 0.765232 3.52312 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.014661100000000002 0.0 0.0246302 Petiole 0.021389433333333333 0.0 0.0641683 Crozier 0.0 0.0 0.0 Root 0.17514473333333333 0.0561342 0.258288