condition mean min max Sterile Leaflet 0.51841 0.22746 0.862296 Fertile Leaflet with Sori 0.7907460000000001 0.421102 1.19354 Primary Rachis 0.043641000000000006 0.0 0.130923 Secondary Rachis 0.09216983333333334 0.0 0.225973 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 4.545969333333333 0.309008 11.8759