condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.70947 0.0 8.12841 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 5.1321666666666665 0.0 15.3965 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0