condition mean min max Sterile Leaflet 2.4404063333333332 0.531046 5.85293 Fertile Leaflet with Sori 5.78491 4.86219 6.87525 Primary Rachis 0.3592336666666667 0.0 0.970607 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 1.9610753333333335 0.399144 5.02193