condition mean min max Sterile Leaflet 0.36390433333333333 0.0 0.668802 Fertile Leaflet with Sori 0.095488 0.0 0.286464 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.008318299999999999 0.0 0.0249549 Crozier 0.062471000000000006 0.0517733 0.0833799 Root 7.087093333333334 2.94187 10.1208