condition mean min max Sterile Leaflet 0.033477 0.0 0.100431 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.077533 0.0 0.232599 Root 4.395766666666667 0.0 13.1873