condition mean min max Sterile Leaflet 4.1022620000000005 0.282769 11.4859 Fertile Leaflet with Sori 1.3439830000000001 0.701979 1.9372 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 13.698953333333334 9.34206 18.3546 Rhizome 0.887629 0.0 1.87806 Root 0.4053046666666667 0.0 0.678301