condition mean min max Sterile Frond 5.185133333333334 0.0 15.5554 Fertile Frond 15.762533333333332 0.0 47.2876 Young Stem with Root 12.3423 0.0 37.0269 Mature Stem with Root 10.4513 0.0 31.3539 Root 0.7696000000000001 0.0 2.3088