condition mean min max Sterile Leaflet 2.8750950333333334 0.0857351 7.49211 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.029609800000000002 0.0 0.0888294 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0