condition mean min max Sterile Frond 1.5851480000000002 0.0 4.47233 Fertile Frond 3.4108199999999997 0.14325 7.60643 Young Stem with Root 4.46322 0.0 11.0544 Mature Stem with Root 3.900306666666667 0.0 10.1218 Root 2.9650993333333333 0.248898 6.68115