condition mean min max Fertile Leaflet with Sori 0.06836566666666667 0.0 0.205097 Primary Rachis 0.05661033333333334 0.0 0.169831 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0317263 0.0 0.0951789 Rhizome 0.0 0.0 0.0 Root 2.5155499999999997 2.17949 2.88365