condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 3.7527843333333335 0.0 10.6379 Fertile Leaflet with Sori 0.8503756666666668 0.0 2.09479 Primary Rachis 0.41209033333333334 0.0 0.74401 Secondary Rachis 0.22668233333333332 0.0 0.680047 Petiole 0.0 0.0 0.0 Meristem 0.346766 0.0 0.846401 Rhizome 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Young Root 0.0 0.0 0.0 Mature Root 0.75655 0.0 2.26965