condition mean min max Sterile Leaflet 0.008546566666666667 0.0 0.0256397 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.026688966666666664 0.0 0.0800669 Petiole 0.0555863 0.0 0.113195 Crozier 0.0 0.0 0.0 Root 2.04231 1.53538 2.47318