condition mean min max Sterile Frond 0.16354133333333334 0.0 0.490624 Fertile Frond 0.014653 0.0 0.043959 Young Stem with Root 0.014811033333333334 0.0 0.0444331 Mature Stem with Root 0.987988 0.26268 2.01489 Root 3.0130120000000002 0.0 8.6592