condition mean min max Sterile Frond 0.21915433333333334 0.0 0.657463 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.101405333333333 0.611676 10.4823 Root 0.566846 0.0 1.17502