condition mean min max Sterile Leaflet 3.66454 0.0 6.39488 Fertile Leaflet with Sori 0.9229580000000001 0.0 2.42756 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0