condition mean min max Fertile Leaflet with Sori 0.33528233333333335 0.172724 0.576199 Primary Rachis 1.1600016666666666 0.575265 1.64258 Secondary Rachis 0.1766906 0.0220768 0.26846 Petiole 2.75598 1.48512 5.09835 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0