condition mean min max Sterile Leaflet 0.9359446666666666 0.805943 1.13066 Fertile Leaflet with Sori 3.61985 3.32131 4.06958 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.018878566666666666 0.0 0.0436977