condition mean min max Sterile Leaflet 0.1639477 0.0773291 0.248527 Fertile Leaflet with Sori 0.23189343333333334 0.0456063 0.351451 Primary Rachis 4.518414 0.165292 7.63265 Secondary Rachis 3.791455 0.540395 5.67687 Petiole 1.8351188666666667 0.0916966 2.88408 Crozier 0.0983156 0.0 0.272446 Root 3.506473333333333 2.39121 5.48673