condition mean min max Sterile Leaflet 0.4712 0.0 1.4136 Fertile Leaflet with Sori 4.8117 0.0 14.4351 Primary Rachis 0.49918 0.0 1.49754 Secondary Rachis 2.748583333333333 0.0 8.24575 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0