condition mean min max Sterile Leaflet 0.0287177 0.0 0.0861531 Fertile Leaflet with Sori 2.392305 0.899635 3.27939 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.024395966666666668 0.0 0.0731879 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.028612833333333334 0.0 0.0858385