condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.2582799999999996 0.0 9.77484 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.1080033333333335 0.0 6.32401 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0