condition mean min max Sterile Leaflet 0.050819333333333334 0.0 0.152458 Fertile Leaflet with Sori 0.0152626 0.0 0.0457878 Petiole 0.0 0.0 0.0 Crozier 0.08336126666666667 0.0 0.193714 Rhizome 0.1318749 0.0 0.348319 Root 31.39654 8.53122 51.9183