condition mean min max Sterile Leaflet 1.54612 0.7476 2.31003 Fertile Leaflet with Sori 1.51052 1.33283 1.79468 Primary Rachis 3.64469 3.01294 4.14235 Petiole 3.61055 3.18047 4.22052 Crozier 1.010412 0.434989 1.76748 Rhizome 1.7550803333333334 0.785051 2.97701 Root 1.9787266666666667 1.26407 3.0428