condition mean min max Sterile Leaflet 1.52476 1.24562 2.04825 Fertile Leaflet with Sori 8.682376666666666 1.50262 16.0053 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.11706466666666666 0.0 0.351194 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.386819 0.0 1.03224