condition mean min max Sterile Leaflet 0.051860333333333335 0.0 0.155581 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Root 2.864463333333333 0.0 8.59339