condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 15.27537 9.28381 22.1522 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.05264233333333334 0.0 0.157927 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.052678333333333334 0.0 0.158035