condition mean min max Sterile Leaflet 0.0081474 0.0 0.0244422 Fertile Leaflet with Sori 0.0615173 0.023884 0.112383 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.14589076666666667 0.0280383 0.307996 Rhizome 0.05565026666666667 0.0 0.142047 Root 2.165333 0.999909 3.05603