condition mean min max Sterile Leaflet 0.9844783333333333 0.391898 1.57543 Fertile Leaflet with Sori 2.4705303333333335 0.473051 4.13808 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.291229 0.370627 2.42921 Petiole 0.190073 0.0 0.408085 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0