condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.07656400000000001 0.0 0.229692 Primary Rachis 0.185746 0.0 0.291445 Petiole 0.0 0.0 0.0 Crozier 5.9352133333333335 5.53835 6.22773 Rhizome 0.305417 0.0 0.687146 Root 0.291766 0.0 0.875298