condition mean min max Sterile Leaflet 9.350668666666667 0.315106 14.2944 Fertile Leaflet with Sori 5.7474533333333335 2.04371 11.4442 Primary Rachis 1.478488 0.583414 2.48052 Petiole 1.812064 0.858942 3.31118 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0