condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.06363100000000001 0.0 0.190893 Crozier 1.4957833333333335 0.0 4.48735 Rhizome 4.761003333333333 0.0 10.9978 Root 11.3246 0.0 21.949