condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.9445833333333333 0.0 5.83375 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.13012433333333334 0.0 0.390373 Root 0.0 0.0 0.0