condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.97185 0.0 15.4453 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.4619186666666667 0.178216 1.01176 Rhizome 0.08137696666666666 0.0236988 0.133567 Root 0.0 0.0 0.0