condition mean min max Sterile Frond 0.0809477 0.0286903 0.173725 Fertile Frond 1.3327666666666667 0.484197 2.88083 Young Stem with Root 7.728086 0.497508 13.6713 Mature Stem with Root 1.398155 0.383479 3.14632 Root 1.5282626666666665 0.351858 3.03259