condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.11161833333333333 0.0 0.334855 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 5.6588 0.0 16.9764