condition mean min max Sterile Leaflet 0.056102000000000006 0.0 0.168306 Fertile Leaflet with Sori 2.020596333333333 0.0 5.69444 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.057463999999999994 0.0 0.172392 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.07066233333333334 0.0 0.211987