condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.4484333333333335 0.0 10.3453 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.81648 0.0 2.44944 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0