condition mean min max Sterile Leaflet 0.06582813333333333 0.0 0.105807 Fertile Leaflet with Sori 2.5560033333333334 1.04856 3.99657 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09002199999999999 0.0 0.270066 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0