condition mean min max Sterile Frond 3.147884 0.538333 7.96892 Fertile Frond 0.52508 0.0 1.57524 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.056572333333333336 0.0 0.169717 Root 0.044895 0.0 0.134685