condition mean min max Young Sterile Leaflet 6.71337 0.0 18.5863 Mature Sterile Leaflet 3.9179 0.0 11.7537 Fertile Leaflet with Sori 0.5203473333333334 0.0 0.947407 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.365282 0.0 0.792575 Meristem 0.0 0.0 0.0 Rhizome 0.44322300000000003 0.0 0.994939 Crozier 0.10322866666666668 0.0 0.309686 Young Root 0.420191 0.322963 0.558313 Mature Root 0.0 0.0 0.0