condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.17769933333333332 0.0 0.34318 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09866233333333334 0.0 0.295987 Petiole 0.0 0.0 0.0 Crozier 0.06057100000000001 0.0 0.181713 Root 8.16524 2.17873 13.1478