condition mean min max Sterile Leaflet 1.4643126666666666 0.331718 3.03421 Fertile Leaflet with Sori 4.13804 1.27581 8.84799 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.6698513333333334 0.0 1.75083 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0