condition mean min max Sterile Leaflet 10.20379 9.72807 10.4755 Fertile Leaflet with Sori 12.420233333333334 11.4696 13.0062 Primary Rachis 1.08622 0.615986 1.97953 Secondary Rachis 2.91594 2.12786 4.45733 Petiole 0.913392 0.633367 1.38006 Crozier 1.273608 0.781034 1.5449 Root 3.66186 2.5046 4.42619