condition mean min max Sterile Leaflet 6.221048333333334 0.0 18.2878 Fertile Leaflet with Sori 1.7030459999999998 0.0 4.38646 Primary Rachis 0.0 0.0 0.0 Petiole 0.319596 0.0 0.607298 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0