condition mean min max Sterile Leaflet 2.097601 0.28073 5.71595 Fertile Leaflet with Sori 0.8788 0.0 1.55238 Primary Rachis 1.4077899999999999 0.0 2.71379 Secondary Rachis 1.0841636666666667 0.618175 1.80146 Petiole 1.03176 0.0 3.09528 Crozier 0.42761 0.0 1.28283 Root 0.702836 0.0 1.34622