condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 3.7373666666666665 0.0 11.2121 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.135238 0.0 0.405714