condition mean min max Sterile Frond 0.23492300000000002 0.0 0.430323 Fertile Frond 2.90578 0.0 6.86978 Young Stem with Root 0.05593823333333333 0.0 0.0967774 Mature Stem with Root 0.519322 0.0 1.13096 Root 0.08023793333333333 0.0606455 0.113423