condition mean min max Sterile Frond 0.293035 0.0 0.611184 Fertile Frond 4.3389 0.0 10.3851 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.5406686666666667 0.0 1.17946 Root 0.09918073333333334 0.0 0.211507