condition mean min max Sterile Leaflet 0.363439 0.0 0.562119 Fertile Leaflet with Sori 0.08536300000000001 0.0 0.256089 Primary Rachis 0.935531 0.254217 1.90334 Petiole 0.39979533333333334 0.0 0.708136 Crozier 0.08382366666666667 0.0 0.251471 Rhizome 0.8929259999999999 0.0 2.43157 Root 17.19469 5.00117 36.3542