condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 21.463570666666666 0.0 63.472 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.3859016666666667 0.0 0.796281 Root 4.4365820000000005 0.382406 10.172