condition mean min max Sterile Leaflet 0.32276533333333335 0.0 0.968296 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 8.656 0.95998 15.4794 Secondary Rachis 4.629945666666667 0.984187 10.465 Petiole 5.902936666666666 0.0 16.4777 Crozier 0.0 0.0 0.0 Root 1.798361 0.0 5.09341