condition mean min max Sterile Leaflet 0.1871533333333333 0.0 0.56146 Fertile Leaflet with Sori 1.873219 0.0 4.89698 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.10008099999999999 0.0 0.300243 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 16.014906666666665 8.00402 22.5493