condition mean min max Sterile Leaflet 5.08372 4.44185 6.31763 Fertile Leaflet with Sori 16.347646666666666 0.0 43.9842 Primary Rachis 0.457162 0.0 0.862619 Secondary Rachis 1.2180986666666667 0.0 3.05381 Petiole 0.206352 0.0 0.619056 Crozier 2.38594 0.0 5.77275 Root 5.0752 0.0 12.1966