condition mean min max Sterile Leaflet 0.755049 0.0 2.10322 Fertile Leaflet with Sori 10.604513333333333 1.06439 27.1964 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.7533289999999999 0.0 1.86116 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0