condition mean min max Sterile Leaflet 31.9814 28.2143 34.4935 Fertile Leaflet with Sori 37.517 33.9959 40.628 Primary Rachis 0.20884333333333335 0.0 0.62653 Secondary Rachis 1.318643 0.388089 2.3273 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.5593766666666666 0.0 1.67813