condition mean min max Sterile Leaflet 1.791363 0.0 4.77241 Fertile Leaflet with Sori 6.2755600000000005 3.97473 10.6079 Primary Rachis 0.14376966666666666 0.0 0.431309 Secondary Rachis 0.5092496666666666 0.0 0.927263 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0