condition mean min max Sterile Leaflet 2.636727 0.244491 5.49104 Fertile Leaflet with Sori 9.997443333333333 1.75823 16.6717 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.717524 0.246278 1.00105 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.20776966666666666 0.0 0.623309