condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0074358666666666665 0.0 0.0223076 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.20892090000000002 0.0 0.599531 Root 2.70499 0.0 8.11497