condition mean min max Sterile Leaflet 4.67102 1.13764 9.82679 Fertile Leaflet with Sori 2.9902100000000003 2.22473 3.7437 Primary Rachis 0.018663233333333334 0.0 0.0559897 Petiole 0.0 0.0 0.0 Crozier 0.207031 0.190957 0.221834 Rhizome 0.0 0.0 0.0 Root 0.328453 0.0 0.741882