condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.79412 0.0 8.38236 Young Stem with Root 0.08648366666666667 0.0 0.259451 Mature Stem with Root 0.5340593333333333 0.123581 1.33064 Root 0.610448 0.229283 0.99913