condition mean min max Sterile Leaflet 0.399655 0.282626 0.473315 Fertile Leaflet with Sori 2.8826766666666668 1.02166 4.22552 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.3246903333333333 0.0 0.780032 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0