condition mean min max Sterile Leaflet 0.079776 0.0 0.239328 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.12860066666666667 0.0 0.385802 Crozier 1.8664640000000001 0.482442 2.91582 Root 0.4431596666666667 0.217452 0.876758