condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.019604 0.0 0.058812 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.06163826666666667 0.0 0.112974 Root 2.8496103666666666 0.0 8.48392