condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.061357999999999996 0.0 0.184074 Rhizome 0.05441833333333334 0.0 0.163255 Root 5.6373999999999995 0.0 16.9122