condition mean min max Sterile Leaflet 2.7078716666666667 0.692375 6.33982 Fertile Leaflet with Sori 1.1834126666666667 0.136078 2.1626 Primary Rachis 0.987355 0.220982 2.30384 Secondary Rachis 0.9332636666666666 0.515914 1.55599 Petiole 1.040731 0.347669 2.29762 Crozier 0.24332499999999999 0.0 0.406556 Root 2.9261600000000003 1.36567 4.42391