condition mean min max Sterile Leaflet 0.32460900000000004 0.169505 0.627032 Fertile Leaflet with Sori 0.570887 0.159072 1.22078 Primary Rachis 0.3613483333333333 0.0 0.560253 Secondary Rachis 3.185160666666667 0.269337 8.83168 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0