condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.235134 0.0 0.501225 Rhizome 11.27448 2.98734 19.7878 Root 0.9387867666666666 0.0796503 1.8126