condition mean min max Sterile Leaflet 0.204631 0.0 0.613893 Fertile Leaflet with Sori 0.11077566666666666 0.0 0.332327 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 6.3715 5.15866 8.32831 Rhizome 0.9384773333333334 0.28623 2.13859 Root 0.7170799999999999 0.229811 1.39729