condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.7106803333333334 0.0 2.01065 Secondary Rachis 4.808033666666667 0.0 14.0215 Petiole 14.5256 0.0 33.106 Crozier 0.0 0.0 0.0 Root 14.358010666666667 0.976272 37.1759