condition mean min max Sterile Frond 2.785194 0.235792 6.13813 Fertile Frond 1.0332606666666666 0.0 2.82146 Young Stem with Root 5.231176666666667 1.54763 8.27124 Mature Stem with Root 2.3862 1.02146 4.715 Root 1.264001 0.245006 2.83349