condition mean min max Young Sterile Leaflet 0.1355251 0.0 0.346547 Mature Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0686811 0.0 0.140931 Secondary Rachis 0.0425594 0.0285735 0.051319 Petiole 0.32070533333333334 0.105371 0.722835 Meristem 0.30015566666666665 0.252647 0.391609 Rhizome 0.8322530666666667 0.0939392 1.20828 Crozier 1.0566886666666668 0.0 2.74766 Young Root 2.53991 1.75837 3.65005 Mature Root 1.635666 0.445608 2.9468