condition mean min max Sterile Leaflet 5.279653333333333 1.69186 7.31352 Fertile Leaflet with Sori 4.41475 3.33409 5.78875 Primary Rachis 25.2445 21.1901 32.683 Petiole 17.4062 13.0177 22.7569 Crozier 0.0 0.0 0.0 Rhizome 0.28026766666666664 0.0 0.601498 Root 0.0 0.0 0.0