condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.07179200000000001 0.0 0.215376 Crozier 0.0 0.0 0.0 Rhizome 0.36534333333333335 0.0 1.09603 Root 2.8095873333333334 0.0 8.10537