condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.11175233333333334 0.0 0.335257 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 3.5218533333333335 0.0 8.74027