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 0.16311093333333335 0.0 0.425982 Root 4.5982666666666665 0.0 13.7948