condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0091305 0.0 0.0273915 Petiole 0.0624616 0.0 0.0939318 Crozier 0.0 0.0 0.0 Rhizome 1.1638633333333332 0.0 3.49159 Root 5.626227466666666 0.0289874 15.9123