condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.04616 0.0 0.13848 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.472721933333333 0.0796488 13.2375 Root 0.5031093333333333 0.024564 1.30496