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 0.035258000000000005 0.0 0.105774 Rhizome 2.11985 0.0 3.49877 Root 11.497050333333334 0.307391 26.8304