condition mean min max Sterile Leaflet 0.283751 0.272432 0.291435 Fertile Leaflet with Sori 8.135363333333334 0.0 14.8658 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.21734966666666666 0.0 0.652049