condition mean min max Sterile Leaflet 1.4691883333333333 0.679365 2.25426 Fertile Leaflet with Sori 1.724393 0.631964 3.8499 Primary Rachis 2.004544666666667 0.522034 3.95678 Secondary Rachis 1.37758 0.0 2.51145 Petiole 2.9601183333333334 0.373945 4.45047 Crozier 1.79034 0.0 3.46703 Root 2.6016500000000002 0.0 4.66537