condition mean min max Sterile Leaflet 2.775259 0.339297 4.91542 Fertile Leaflet with Sori 0.764098 0.226449 1.54936 Primary Rachis 4.320635 0.140524 12.5654 Petiole 0.45209083333333333 0.0705565 0.713905 Crozier 0.042278 0.0 0.126834 Rhizome 0.0185492 0.0 0.0363198 Root 0.0 0.0 0.0