condition mean min max Sterile Leaflet 7.12331 1.39097 10.1229 Fertile Leaflet with Sori 4.300516666666667 1.05197 10.3453 Primary Rachis 1.135145 0.369375 2.59675 Petiole 1.204521 0.364262 2.27373 Crozier 0.083746 0.0 0.251238 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0