In this issue:

Am. J. Bot. 2003 90: 0. [Full Text]  

Book Review:

Susanne S. Renner

Plant–animal interactions: a somewhat evolutionary approach
Am. J. Bot. 2003 90: 330-332. [Full Text]  

Development and Morphogenesis:

Linley K. Jesson, Julie Kang, Sara L. Wagner, Spencer C. H. Barrett, and Nancy G. Dengler

The development of enantiostyly
Am. J. Bot. 2003 90: 183-195. [Abstract] [Full Text] [Supplemental Data]  

Cetin Yuceer, Samuel B. Land, Jr., Mark E. Kubiske, and Richard L. Harkess

Shoot morphogenesis associated with flowering in Populus deltoides (Salicaceae)
Am. J. Bot. 2003 90: 196-206. [Abstract] [Full Text]  

Ecology:

William E. Rogers and Evan Siemann

Effects of simulated herbivory and resources on Chinese tallow tree (Sapium sebiferum, Euphorbiaceae) invasion of native coastal prairie
Am. J. Bot. 2003 90: 243-249. [Abstract] [Full Text]  

Karl J. Niklas

Reexamination of a canonical model for plant organ biomass partitioning
Am. J. Bot. 2003 90: 250-254. [Abstract] [Full Text]  

Stephen C. Sillett and Mark G. Bailey

Effects of tree crown structure on biomass of the epiphytic fern Polypodium scouleri (Polypodiaceae) in redwood forests
Am. J. Bot. 2003 90: 255-261. [Abstract] [Full Text]  

Carlos Lara and Juan Francisco Ornelas

Hummingbirds as vectors of fungal spores in Moussonia deppeana (Gesneriaceae): taking advantage of a mutualism?
Am. J. Bot. 2003 90: 262-269. [Abstract] [Full Text]  

David S. Hik, Melissa Brown, Anna Dabros, Jackie Weir, and James F. Cahill, Jr

Prevalence and predictability of handling effects in field studies: results from field experiments and a meta-analysis
Am. J. Bot. 2003 90: 270-277. [Abstract] [Full Text]  

Gilles Houle and Sébastien Valéry

A mixed strategy in the annual endemic Aster laurentianus (Asteraceae)—a stress-tolerant, yet opportunistic species
Am. J. Bot. 2003 90: 278-283. [Abstract] [Full Text]  

Genetics and Molecular Biology:

Dennis Collins, Robert R. Mill, and Michael Möller

Species separation of Taxus baccata, T. canadensis, and T. cuspidata (Taxaceae) and origins of their reputed hybrids inferred from RAPD and cpDNA data
Am. J. Bot. 2003 90: 175-182. [Abstract] [Full Text] [Supplemental Data]  

Paleobotany:

Ben A. LePage

A new species of Thuja (Cupressaceae) from the Late Cretaceous of Alaska: implications of being evergreen in a polar environment
Am. J. Bot. 2003 90: 167-174. [Abstract] [Full Text]  

Population Biology:

Kevin L. Stilwell, Henry M. Wilbur, Charles R. Werth, and Douglas R. Taylor

Heterozygote advantage in the American chestnut, Castanea dentata (Fagaceae)
Am. J. Bot. 2003 90: 207-213. [Abstract] [Full Text]  

Reproductive Biology:

Christopher T. Ivey, Pocholo Martinez, and Robert Wyatt

Variation in pollinator effectiveness in swamp milkweed, Asclepias incarnata (Apocynaceae)
Am. J. Bot. 2003 90: 214-225. [Abstract] [Full Text] [Supplemental Data]  

Eija Asikainen and Pia Mutikainen

Female frequency and relative fitness of females and hermaphrodites in gynodioecious Geranium sylvaticum (Geraniaceae)
Am. J. Bot. 2003 90: 226-234. [Abstract] [Full Text]  

Lisa E. Wallace

The cost of inbreeding in Platanthera leucophaea (Orchidaceae)
Am. J. Bot. 2003 90: 235-242. [Abstract] [Full Text]  

Systematics:

V. S. Ford and L. D. Gottlieb

Reassessment of phylogenetic relationships in Clarkia sect. Sympherica
Am. J. Bot. 2003 90: 284-292. [Abstract] [Full Text] [Supplemental Data]  

Jürg Schönenberger and Elena Conti

Molecular phylogeny and floral evolution of Penaeaceae, Oliniaceae, Rhynchocalycaceae, and Alzateaceae (Myrtales)
Am. J. Bot. 2003 90: 293-309. [Abstract] [Full Text] [Supplemental Data]  

Andrew Schnabel, Patrick E. McDonel, and Jonathan F. Wendel

Phylogenetic relationships in Gleditsia (Leguminosae) based on ITS sequences
Am. J. Bot. 2003 90: 310-320. [Abstract] [Full Text] [Supplemental Data]  

Veronika Mayer, Michael Möller, Mathieu Perret, and Anton Weber

Phylogenetic position and generic differentiation of Epithemateae (Gesneriaceae) inferred from plastid DNA sequence data
Am. J. Bot. 2003 90: 321-329. [Abstract] [Full Text] [Supplemental Data]  

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