condition mean min max Sterile Leaflet 16.621673333333334 6.20232 27.7756 Fertile Leaflet with Sori 3.2139 1.11265 6.42494 Primary Rachis 0.226319 0.0 0.431519 Secondary Rachis 3.7704946666666666 0.655004 9.25802 Petiole 0.057961000000000006 0.0 0.173883 Crozier 0.0 0.0 0.0 Root 0.11369 0.0 0.34107