condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.019107433333333333 0.0 0.0573223 Root 2.6655420999999997 0.0579563 6.69912