condition mean min max Sterile Leaflet 2.050259 0.919807 2.63397 Fertile Leaflet with Sori 4.835073333333334 1.98751 8.95106 Primary Rachis 0.177316 0.0 0.29782 Secondary Rachis 2.1185573333333334 0.304342 4.41066 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0