condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.3165000000000004 0.0 15.9495 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3418933333333333 0.0 1.02568 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0