condition mean min max Sterile Leaflet 4.58519 0.30779 11.6556 Fertile Leaflet with Sori 27.3847 15.4985 36.6977 Primary Rachis 1.0806163333333334 0.0 2.61695 Secondary Rachis 7.670353333333333 5.71861 9.78418 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0