Atlas of stem anatomy in herbs, shrubs and trees. Volume 1
Schweingruber FH, Börner A & Schulze E-D
Schweingruber, F. H., Börner, A., & Schulze, E. D. (2011). Atlas of stem anatomy in herbs, shrubs and trees. Volume 1. https://doi.org/10.1007/978-3-642-11638-4