condition mean min max Sterile Leaflet 0.038580666666666666 0.0 0.115742 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.140831 0.0 0.422493 Secondary Rachis 0.0 0.0 0.0 Petiole 0.326421 0.0 0.859263 Crozier 1.5103776666666666 0.629003 2.66733 Root 10.48358 8.09664 11.7348