condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.573333333333333 0.0 10.7025 Petiole 0.0 0.0 0.0 Crozier 0.049075 0.0 0.147225 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0