condition mean min max Sterile Leaflet 0.031016699999999998 0.0 0.0573985 Fertile Leaflet with Sori 1.85365 1.09369 2.24893 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.026584366666666664 0.0 0.0797531 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.007989133333333334 0.0 0.0239674