condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.04093466666666667 0.0 0.122804 Root 6.9904177333333335 0.0 20.9531