condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 4.778266666666666 0.0 14.3348 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.19945000000000002 0.0 0.59835 Root 1.2486533333333334 0.0 3.74596