condition mean min max Sterile Leaflet 2.787962333333333 0.533204 7.194 Fertile Leaflet with Sori 13.598073333333334 9.16549 22.2869 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.6004373333333335 0.10921 4.38954 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.086147 0.0 0.13827