condition mean min max Sterile Frond 1.991408 0.0 5.84516 Fertile Frond 0.34315433333333334 0.0 0.63576 Young Stem with Root 0.061692 0.0 0.185076 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0