condition mean min max Sterile Leaflet 0.878996 0.73632 1.08324 Fertile Leaflet with Sori 5.85267 2.92027 8.08915 Primary Rachis 0.453828 0.0 1.21908 Secondary Rachis 1.0740113333333334 0.117644 1.78257 Petiole 0.07838099999999999 0.0 0.235143 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0