condition mean min max Sterile Frond 3.8539 0.0 11.5617 Fertile Frond 7.337306666666667 0.0 19.6845 Young Stem with Root 15.042386 0.0 44.4292 Mature Stem with Root 16.342180666666668 0.140834 48.453 Root 0.76456 0.0 2.29368