condition mean min max Sterile Leaflet 0.132759 0.0 0.398277 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 3.0808233333333335 0.0 9.24247