condition mean min max Sterile Leaflet 1.9868666666666666 0.0 4.41529 Fertile Leaflet with Sori 2.115083333333333 0.0 3.59344 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 0.0 0.0 0.0