condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.553463333333333 0.0 7.66039 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.141734 0.0 0.288371 Root 0.16018166666666667 0.0 0.259674