condition mean min max Sterile Leaflet 6.1581033000000005 0.0925649 18.1859 Fertile Leaflet with Sori 0.6034006666666667 0.0 1.62847 Primary Rachis 0.09550199999999999 0.0 0.145194 Petiole 0.0282017 0.0 0.0846051 Crozier 14.92607 6.63281 27.7119 Rhizome 0.05196133333333333 0.0 0.155884 Root 0.157292 0.0 0.346468