condition mean min max Sterile Leaflet 14.207978 0.156134 21.3317 Fertile Leaflet with Sori 9.53373 3.21262 15.7201 Primary Rachis 1.5321243333333334 0.16529 3.89887 Petiole 0.7365256666666666 0.0 1.40819 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0