condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.0824266666666666 0.0 6.24728 Primary Rachis 0.192599 0.0 0.577797 Secondary Rachis 1.42384 0.0 4.27152 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0