References to online source articles (which link elsewhere) mostly appear as ^ref. Any content I have found in books will include the author and date: (Trouet, 2022) and these books are listed below along with some links I have found useful. Any images which have been copied from other places will have the URL included in the image caption (unless they are my images).

Books (non-fiction)

• Al-Khalili, J. & McFadden, J. (2014) Life on the Edge: The Coming of Age of Quantum Biology, London, UK: Bantam Press.
• Bowsher, C & Tobin, A. (2021) Plant Biochemistry – Second Edition, Abingdon, UK: CRC Press
• Bradfield, P. & Potter, S. (2017) EdExcel International GCSE (9-1) Biology Student Book. London, UK: Pearson Education Limited.
• Collen, Alanna (2015) 10% Human, How Your Body’s Microbes Hold the Key to Health and Happiness. London (UK): William Collins.
• Ennos, R. (2016) Trees: A complete guide to their biology and structure. London, UK: Natural History Museum
• Farjon, A. (2008) A Natural History of Conifers. Portland, USA: Timber Press Inc
• Garner, R.J. (2013) The Grafter’s Handbook. London, UK: Octopus Publishing Group
• Hallé, Francis, (2002) In Praise of Plants. Portland, USA: Timber Press, Inc
• Johnson, E. (2020) Plant Tissue Culture: A Home-Based Guide How to Practice Plant Tissue Culture on a Budget: Amazon
• Kesssler, Rob & Stuppy, Wolfgang (2014) Seeds: Time Capsules of Life. UK: Papadakis
• Koreshoff, Deborah R. (New edition 1997) Bonsai: Its Art, Science, History and Philosophy. Portland, USA: Timber Press Inc
• Nurse, P. (2021) What is Life?: Understand Biology In Five Steps. Oxford, UK: David Fickling Books
• Schweingruber, Fritz H, Börner, Annett (2018) The Plant Stem – A Microscopic Aspect. Cham, Switzerland: Springer International Publishing (note: available by open access as a digital download from Amazon or here)
• Smith, A.M. Coupland, G. Dolan, L., Harberd, N. Jones, J. Martin, C. Sablowski, R. Amey, A. (2010) Plant Biology – first edition. Boca Raton, Florida, USA: CRC Press
• Smith, Roberta A. (2013) Plant Cell Culture: Techniques & Experiments. London, UK: Elsevier Academic Press
• Thomas, Peter A. (2014) Trees: Their Natural History. Cambridge, UK: Cambridge University Press
• Trouet, V. (2020) Tree Story: The History of the World Written in Rings. Baltimore, USA: John Hopkins University Press.
• Tudge, C. (2006) The Secret Life of Trees: How They Live and Why They Matter. London, UK: Penguin Science Press
• Vogel, S. (2012) The Life of a Leaf. Chicago, USA: The University of Chicago Press
• Flora: Inside the Secret World of Plants. London, UK: Dorling Kindersley
• Raviv, M. Lieth J.H., Bartal, A (2019) Soilless Culture: Theory and Practice. London, UK: Academic Press, Elsevier

Articles

• Calcium: https://www.frontiersin.org/articles/10.3389/fpls.2019.00440/full
• Chlorine: https://irrec.ifas.ufl.edu/IRSWS/History%20Publications/2/Chen.pdf
• Molecular explorations through biology and medicine: https://pdb101.rcsb.org/
• Boron: http://arquivo.ufv.br/dbv/pgfvg/BVE684/htms/pdfs_revisao/Molecularplantnutrition/BORON%20IN%20PLANT%20STRUCTURE.pdf
• Copper: https://extension.umn.edu/micro-and-secondary-macronutrients/copper-crop-production
• Endosphere bacteria: https://sfamjournals.onlinelibrary.wiley.com/doi/10.1111/1462-2920.15240
• Humus, Humic Acid: https://andersonshumates.com/wp-content/uploads/2012/09/A-Review-of-Humus-and-Humic-Acids.pdf
• Iron: https://www.frontiersin.org/articles/10.3389/fpls.2019.01670/full
• Iron: https://academic.oup.com/metallomics/article/9/7/813/6013716
• Iron: https://www.annualreviews.org/doi/abs/10.1146/annurev-arplant-050213-035759
• Lammas growth: https://rngr.net/publications/fnn/2012-winter/2012-winter-forest-nursery-notes-publication-by-article/lammas-shoots-in-nurseries-and-plantations/?searchterm=lammas
• Manganese: https://www.frontiersin.org/articles/10.3389/fpls.2020.00300/full
• Modular growth in seed plants: http://www.arboritecture.org/pdf_uploads/halle/modular-growth-in-seed-plants-Halle-1986.pdf
• Molybdenum: https://academic.oup.com/aob/article/96/5/745/180212
• Nutrients: https://www.extension.uidaho.edu/publishing/pdf/CIS/CIS1124.pdf
• Photosynthesis: https://www.nature.com/scitable/knowledge/library/the-ecology-of-photosynthetic-pathways-15785165/
• Phyllosphere: https://journals.asm.org/doi/epub/10.1128/AEM.69.4.1875-1883.2003
• Phytohormones/Plant Growth Substances: https://onlinelibrary.wiley.com/doi/epdf/10.1111/1365-3040.ep11610983
• Plant Growth & Development: https://www.mmnp-journal.org/articles/mmnp/pdf/2011/02/mmnp201162p1.pdf
• Potassium: https://cropaia.com/blog/potassium-in-plants/
• Rhizobacteria: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8509026/
• Rhizosphere: https://academic.oup.com/femsre/article/37/5/634/540803#90643222
• Seeds: https://www.fs.usda.gov/nsl/nsl_wpsm.html (the classic seed reference from US Forest
• Shoot Apical Meristem: https://haseloff.plantsci.cam.ac.uk/resources/CDBPart1B_refs/Lecture-4/Barton-2010.pdf
• Short shoots/Long shoots: Veit Martin Dörken, The evolutionary significance of vegetative long-shoot/short-shoot differentiation in gymnospermous trees, Bibliotheca Botanica, volume 161, 2012, Schweizerbart Science Publishers
• Tree Architecture: https://www.researchgate.net/publication/7957790_An_allometric_model_for_trees
• Tree bark microscopic features: https://scholarlypublications.universiteitleiden.nl/access/item%3A2951200/view
• Wood composition: https://www.fpl.fs.fed.us/documnts/pdf1984/pette84a.pdf
• Wood rings and growth: Vaz Monteiro, M. Levanic, T. Doick, K.J., Growth rates of common urban trees in five cities in Great Britain: A dendrochronological evaluation with an emphasis on the impact of climate, Urban Forestry & Urban Greening, Volume 22, March 2017, Pages 11-23

Websites

• Harry Harrington’s website: http://bonsai4me.com/
• Bonsai Nursery Evergreen Gardenworks: https://www.evergreengardenworks.com/
• The Plant Cell journal: https://academic.oup.com/plcell
• The Holbrook Plant Physiology Lab: https://holbrookgroup.oeb.harvard.edu
• The Conifer Database: https://www.conifers.org/
• Cambridge University Sainsbury Laboratory: https://www.slcu.cam.ac.uk/
• Kew Gardens historical content on the Biodiversity Heritage Library
• Plant taxonomy: https://www.gbif.org/
• Photographic Atlas of Plant Anatomy by Curtis & Lersten: https://botweb.uwsp.edu/anatomy/default.htm
• MYCORRHIZAL ASSOCIATIONS: The Web Resource https://mycorrhizas.info/
• Teaching tools in Plant Biology https://academic.oup.com/plcell/pages/teaching-tools-plant-biology a set of articles compiled by biologist Mary Williams
• Xylem database: https://www.wsl.ch/dendropro/xylemdb/index.php (angiosperms only)

Books (fiction)

• The Wild Trees: A Story of Passion and Daring, Richard Preston
• The Overstory, Richard Powers
• The Arbonaut: A Life Discovering the Eighth Continent in the Trees Above Us, Meg Lowman
• The Sixteen Trees of the Somme, Lars Mytting
• Finding the Mother Tree, Suzanne Simard
• The Golden Spruce, John Vaillant
• Entangled Life, Merlin Sheldrake (about fungi, but very relevant to trees)
• The Cone Gatherers, Robin Jenkins
• Elderflora, Jared Farmer
• Wildwood, a Journey Through Trees, Roger Deakin

Images

The images for the header and icon used on this website were created using source images from ‘The Plant Stem: A Microscopic Aspect’ by Schweingruber & Börner, available to download here.