condition mean min max Sterile Frond 0.4368916666666666 0.0 0.709787 Fertile Frond 1.08981 0.0 1.77572 Young Stem with Root 3.4026333333333336 0.0 10.2079 Mature Stem with Root 0.643915 0.0 1.18665 Root 8.5265 0.0 25.5795