condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.3946400000000003 0.47296 4.0212 Young Stem with Root 7.092218333333333 0.835085 14.966 Mature Stem with Root 1.0896706666666667 0.472471 2.05174 Root 0.0 0.0 0.0