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 0.0 0.0 0.0 Crozier 0.019537000000000002 0.0 0.058611 Rhizome 0.019554433333333333 0.0 0.0586633 Root 6.062143333333333 0.0 16.8649