condition mean min max Sterile Leaflet 0.0067473333333333335 0.0 0.020242 Fertile Leaflet with Sori 0.0 0.0 0.0 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 2.4105570000000003 0.0 6.56744