condition mean min max Sterile Frond 2.4487799999999997 0.0 7.34634 Fertile Frond 9.720683333333334 0.0 20.3554 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 87.57413 0.0 257.493 Root 6.040833333333333 0.0 18.1225