A.L. Schoonmaker, U.G. Hacke, S.M. Landhäusser, V.J. Lieffers, M.T. Tyree (in press)
Hydraulic acclimation to shading in Boreal conifers of varying shade tolerance. Plant, Cell and Environment

U.G. Hacke, A.L. Jacobsen, R.B. Pratt (2009)
Xylem function of aridland shrubs from California, USA: an ecological and evolutionary analysis. Plant, Cell and Environment 32: 1324–1333.

U.G. Hacke, J.S. Sperry, T. Feild, Y. Sano, E.H. Sikkema, J. Pittermann (2007)
Water transport in vesselless angiosperms: conducting efficiency and cavitation safety. International Journal of Plant Science 168: 1113-1126.

J.S. Sperry, U.G. Hacke, T. Feild, Y. Sano, E.H. Sikkema (2007)
Hydraulic consequences of vessel evolution in angiosperms. International Journal of Plant Science 168: 1127-1139.

J.S. Sperry, U.G. Hacke, J. Pittermann (2006)
Size and function in conifer tracheids and angiosperm vessels. American Journal of Botany 93: 1490-1500.

S. Mayr, U. Hacke, P. Schmid, F. Schwienbacher, A. Gruber (2006)
Frost drought in conifers at the alpine timberline: xylem dysfunction and adaptations. Ecology 87: 3175–3185.

J. Pittermann, J.S. Sperry, J.K. Wheeler, U.G. Hacke, E. Sikkema (2006)
Mechanical reinforcement against tracheid implosion compromises the hydraulic efficiency of conifer xylem. Plant, Cell and Environment 29: 1618-1628.

J. Pittermann, J.S. Sperry, U.G. Hacke, J.K. Wheeler, E. Sikkema (2006)
Inter-tracheid pitting and the hydraulic efficiency of conifer wood: the role of tracheid allometry and cavitation protection. American Journal of Botany 93: 1265-1273.

U.G. Hacke, J.S. Sperry, J.K. Wheeler, L. Castro (2006)
Scaling of angiosperm xylem structure with safety and efficiency. Tree Physiology 26: 689-701.

R.N. Addington, L.A. Donovan, R.J. Mitchell, J.M. Vose, S.D. Pecot, S.B. Jack, U.G. Hacke, J.S. Sperry, R. Oren (2006)
Adjustments in hydraulic architecture of Pinus palustris maintain similar stomatal conductance in xeric and mesic habitats. Plant, Cell and Environment 29: 535-545.

U.G. Hacke, J.S. Sperry, J. Pittermann (2005) 
Efficiency vs. safety trade-offs for water conduction in angiosperm vessels vs. gymnosperm tracheids. In: Vascular Transport in Plants (eds. N.M. Holbrook, M. Zwieniecki). Elsevier, Amsterdam, pp 333-353.

J.K. Wheeler, J.S. Sperry, U.G. Hacke, N. Hoang (2005)
Inter-vessel pitting and cavitation in woody Rosaceae and other vesseled plants: a basis for a safety vs. efficiency trade-off in xylem transport. Plant, Cell and Environment 28: 800-812.

U.G. Hacke, J.S. Sperry, J. Pittermann (2004) 
Analysis of circular bordered pit function II. Gymnosperm tracheids with torus-margo pit membranes. American Journal of Botany 91: 386-400.

J.S. Sperry, U.G. Hacke (2004) 
Analysis of circular bordered pit function I. Angiosperm vessels with homogenous pit membranes. American Journal of Botany 91: 369-385. 

Angeles G, Bond B, Boyer JS, Brodribb T, Brooks JR, Burns MJ, Cavender-Bares J, Clearwater M, Cochard H, Comstock J, Davis SD, Domec J-C, Donovan L, Ewers F, Gartner B, Hacke U, Hinckley T, Holbrook NM, Jones HG, Kavanagh K, Law B, López-Portillo J, Lovisolo C, Martin T, Martínez-Vilalta J, Mayr S, Meinzer FC, Melcher P, Mencuccini M, Mulkey S, Nardini A, Neufeld HS, Passioura J, Pockman WT, Pratt RB, Rambal S, Richter H, Sack L, Salleo S, Schubert A, Schulte P, Sparks JP, Sperry J, Teskey R, Tyree M. (2004) 
The Cohesion-Tension Theory. New Phytologist 163: 451-452. 

J.S. Sperry, V. Stiller, U.G. Hacke (2003) 
Xylem hydraulics and the soil-plant-atmosphere continuum: opportunities and unresolved issues. Agronomy Journal 95: 1362-1370. 

U.G. Hacke, J.S. Sperry (2003)
Limits of xylem refilling under negative pressure in Laurus nobilis and Acer negundo. Plant, Cell and Environment 26: 303-311. 

J.S. Sperry, U.G. Hacke (2002)
Desert shrub water relations with respect to soil characteristics and plant functional type. Functional Ecology 16: 367-378. 

J.S. Sperry, U.G. Hacke, R. Oren, J.P. Comstock (2002)
Water deficits and hydraulic limits to leaf water supply. Plant, Cell and Environment 25: 251-263. 

U.G. Hacke, J.S. Sperry (2001) 
Functional and ecological xylem anatomy. Perspectives in Plant Ecology, Evolution and Systematics 4: 97-115. 

U.G. Hacke, J.S. Sperry, W.T. Pockman, S.D. Davis, K. McCulloh (2001)
Trends in wood density and structure are linked to prevention of xylem implosion by negative pressure. Oecologia 126: 457-461.

U.G. Hacke, V. Stiller,  J.S. Sperry, J. Pittermann, K. McCulloh (2001)
Cavitation fatigue: embolism and refilling cycles can weaken the cavitation resistance of xylem. Plant Physiology 125: 779-786.

U.G. Hacke, J.S.  Sperry, B.E. Ewers, D.S. Ellsworth, K.V.R. Schäfer, R. Oren (2000)
Influence of soil porosity on water use in Pinus taeda. Oecologia 124: 495-505.

U.G. Hacke, J.S.  Sperry, J. Pittermann (2000)
Drought experience and cavitation resistance in six shrubs from the Great Basin, Utah. Basic and Applied Ecology 1: 31-41. 

S.D. Davis, J.S. Sperry, U.G. Hacke (1999)
The relationship between xylem conduit diameter and cavitation caused by freezing. American Journal of Botany 86: 1367-1372.

U. Hacke, J.J. Sauter (1996)
Drought-induced xylem dysfunction in petioles, branches, and roots of Populus balsamifera L. and Alnus glutinosa (L.) Gaertn. Plant Physiology 111: 413-417.

U. Hacke, J.J. Sauter (1996)
Xylem dysfunction during winter and recovery of hydraulic conductivity in diffuse-porous and ring-porous trees. Oecologia 105: 435-439.

U. Hacke, J.J. Sauter (1995)
Vulnerability of xylem to embolism in relation to leaf water potential and stomatal conductance in Fagus sylvatica f. purpurea and Populus balsamifera. Journal of Experimental Botany 46: 1177-1183.