condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.7874333333333334 0.0 5.3623 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