condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 4.289766666666667 0.0 12.8693 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.106479 0.0 0.319437 Root 0.7619600000000001 0.0 2.28588