Editing Xylem (section)

=== General references ===
* {{cite journal|author=C. Wei |author2=E. Steudle |author3=M. T. Tyree |author4=P. M. Lintilhac
|title=The essentials of direct xylem pressure measurement
|journal=Plant, Cell and Environment
|date=May 2001|volume=24|issue=5|pages=549–555
|doi=10.1046/j.1365-3040.2001.00697.x|bibcode=2001PCEnv..24..549W |s2cid=5039439 }} is the main source used for the paragraph on recent research.
* {{cite journal|author=N. Michele Holbrook
|author2=Michael J. Burns |author3=Christopher B. Field
 |title=Negative Xylem Pressures in Plants: A Test of the Balancing Pressure Technique
|journal=[[Science (journal)|Science]]
|volume=270|issue=5239
|date=November 1995
|pages=1193–4
|doi=10.1126/science.270.5239.1193|bibcode = 1995Sci...270.1193H |s2cid=97217181 }} is the first published independent test showing the Scholander bomb actually does measure the tension in the xylem.
* {{cite journal|author=Pockman, W.T. |author2=J.S. Sperry |author3=J.W. O'Leary
|title=Sustained and significant negative water pressure in xylem
|journal=[[Nature (journal)|Nature]]
|volume=378|issue=6558|pages=715–6|date=December 1995|doi=10.1038/378715a0|bibcode = 1995Natur.378..715P |s2cid=31357329 }} is the second published independent test showing the Scholander bomb actually does measure the tension in the xylem.
* {{cite book|author=Campbell, Neil A.|author2=Jane B. Reece|year=2002|title=Biology|edition=6th|publisher=Benjamin Cummings|isbn=978-0-8053-6624-2|url=https://archive.org/details/biologyc00camp}}
* {{cite book|author=Kenrick, Paul|author2=Crane, Peter R. |year=1997|title=The Origin and Early Diversification of Land Plants: A Cladistic Study|location=Washington, D. C.|publisher=Smithsonian Institution Press|isbn=978-1-56098-730-7}}
* {{cite journal|author=Muhammad, A. F.|author2=R. Sattler |year=1982|title=Vessel Structure of ''Gnetum'' and the Origin of Angiosperms|journal=American Journal of Botany|volume=69|pages=1004–21 | doi = 10.2307/2442898|issue=6|jstor=2442898}}
* {{cite book|author=Melvin T. Tyree |author2=Martin H. Zimmermann |title=Xylem Structure and the Ascent of Sap|edition=2nd|isbn=978-3-540-43354-5|publisher=Springer|year=2003}} recent update of the classic book on xylem transport by the late Martin Zimmermann