condition mean min max Sterile Leaflet 2.2672023333333335 0.0 6.48456 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.102352 0.0 0.307056 Crozier 0.3052856666666667 0.0 0.915857 Rhizome 0.0 0.0 0.0 Root 0.099148 0.0 0.297444