condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.429366833333334 0.0692905 10.9417 Root 0.7645133333333333 0.0 1.24165