condition mean min max Sterile Leaflet 8.953166666666666 0.0 16.2857 Fertile Leaflet with Sori 8.38321 5.65264 10.693 Primary Rachis 0.08930500000000001 0.0 0.267915 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.4978 0.0 1.4934