condition mean min max Sterile Leaflet 2.0244863333333334 0.766499 3.60321 Fertile Leaflet with Sori 3.575461 0.779923 7.64016 Petiole 1.885446 0.328028 4.77323 Rhizome 0.545083 0.433069 0.660489 Root 0.84707 0.652438 1.04231