condition mean min max Sterile Leaflet 0.372039 0.190712 0.521845 Fertile Leaflet with Sori 0.899175 0.374358 1.76402 Primary Rachis 0.9115753333333333 0.598881 1.23768 Petiole 2.287647 0.525959 5.72712 Crozier 0.0 0.0 0.0 Rhizome 3.5077913333333335 0.075213 9.71535 Root 5.936387 0.999291 14.5974