condition mean min max Sterile Leaflet 2.52228 0.0 7.56684 Fertile Leaflet with Sori 0.10710633333333333 0.0 0.181826 Petiole 0.349651 0.0 0.60452 Rhizome 0.0667774 0.0 0.155283 Root 0.0 0.0 0.0