condition mean min max Young Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.8077966666666665 0.72263 6.04625 Fertile Leaflet with Sori 3.2131906666666668 0.387282 5.48843 Primary Rachis 0.2116469 0.0713376 0.491726 Secondary Rachis 0.21688233333333334 0.0 0.464751 Petiole 0.0 0.0 0.0 Meristem 0.4096302 0.0 1.16756 Rhizome 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Young Root 0.0 0.0 0.0 Mature Root 0.0 0.0 0.0