condition mean min max Sterile Leaflet 0.11084633333333332 0.0 0.332539 Fertile Leaflet with Sori 2.58534 1.85854 3.82446 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0