Hafiz Maherali, William T. Pockman, and Robert B. Jackson. 2004. Adaptive variation in the vulnerability of woody plants to xylem cavitation. Ecology 85:2184–2199.

Appendix B. Sources of phylogenetic information and polytomy resolutions for selected taxa. Literature sources resolved all but six polytomies.

Taxa	Reference
ANGIOSPERMS	Soltis et al. 1999, 2000
Aceraceae	Ackerly and Donoghue 1998, partly unresolved
Betulaceae (Alnus, Betula)	Chen et al. 1999, Savard et al. 1993; partly unresolved.
Asteraceae (Ambrosia, Artemisia, Baccharis, Chrysothamnus, Encelia, Hymonoclea, Tetradymia)	Bremer 1994
Dipterocarpaceae (Cotylobium, Dipterocarpus, Dryobalanops, Shorea)	Kajita et al. 1998, Dayanandan et al. 1999; partly unresolved
Ebenaceae (Diospyros)	Unresolved
Ericaceae (Arbutus, Oxydendron, Rhododendron)	Kron and Chase 1993
Fagaceae (Fagus, Quercus)	Manos et al. 1997, 1999, P. S. Manos, personal communication; partly unresolved.
Fabaceae (Acacia, Ceratonia, Cercidium, Cercis, Coursetia, Lonchocarpus, Pithecellobium, Prosopis, Sindora)	Crisp and Doyle 1995; Kajita et al. 2001, Bruneau et al. 2001
Myrtaceae (Eucalyptus, Eugenia)	Unresolved
Oleaceae (Fraxinus)	Jeandroz et al. 1997
Rhamnaceae (Ceanothus)	Jeong et al. 1997, Hardig et al. 2000
Salicaceae (Populus, Salix)	Smith and Systma 1990
CONIFERS	Chase et al. 1993, Rice et al. 1997, Stefanovic et al. 1999
Auracariaceae (Agathis)	Stefanovic et al. 1999
Cupresseaceae (Actinostrobus, Athrotaxis, Callitris, Juniperus, Thuja, Widdringtonia)	Adams and Demeke 1993, Adams 2000a, 2000b; Rice et al. 1997, Stefanovic et al. 1999
Pinaceae (Abies, Cedrus, Larix, Pinus, Picea, Pseudotsuga, Tsuga)	Robson et al. 1993, Schwilk and Ackerly 2001, Smith and Klein 1994, Stefanovic et al. 1999
Podocarpaceae (Acmopyle, Dacrycarpus, Lagarostrobus, Podocarpus)	Conran et al. 2000

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