condition mean min max Sterile Leaflet 0.706194 0.653093 0.770005 Fertile Leaflet with Sori 8.239373333333333 1.41073 14.1402 Primary Rachis 6.74085 2.95085 10.0963 Petiole 4.469643333333333 1.33563 7.52583 Crozier 0.0 0.0 0.0 Rhizome 0.078572 0.0 0.235716 Root 0.0 0.0 0.0