condition mean min max Sterile Leaflet 2.192577 0.221265 6.10285 Fertile Leaflet with Sori 2.6816679999999997 0.501664 4.67557 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.6789713333333334 0.382884 2.6012 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0