condition mean min max Sterile Frond 0.172279 0.0 0.516837 Fertile Frond 0.5554556666666667 0.0 1.21361 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.7399379999999995 0.0 13.5962 Root 0.33530333333333334 0.0 1.00591