condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.34716 1.35355 3.83967 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.08383433333333333 0.0 0.251503 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0