condition mean min max Sterile Frond 2.65013 0.0 6.1894 Fertile Frond 2.8946936666666665 0.420871 7.8258 Young Stem with Root 2.1066166666666666 0.0 5.11532 Mature Stem with Root 4.495532 0.682176 11.6599 Root 0.679955 0.0 1.48385