Anatomy and Morphology:

Frederic Lens, Pieter Baas, Steven Jansen, and Erik Smets

A search for phylogenetically informative wood characters within Lecythidaceae s.l.
Am. J. Bot. 2007 94: 483-502. [Abstract] [Full Text] [PDF]  

Steven Jansen, Yuzou Sano, Brendan Choat, David Rabaey, Frederic Lens, and Roland R. Dute

Pit membranes in tracheary elements of Rosaceae and related families: new records of tori and pseudotori
Am. J. Bot. 2007 94: 503-514. [Abstract] [Full Text] [PDF]  

Developmental Biology and Developmental Genetics:

Stanislav Vitha, Ming Yang, Fred D. Sack, and John Z. Kiss

Gravitropism in the starch excess mutant of Arabidopsis thaliana
Am. J. Bot. 2007 94: 590-598. [Abstract] [Full Text] [PDF]  

Ecology:

Lars Markesteijn, Lourens Poorter, and Frans Bongers

Light-dependent leaf trait variation in 43 tropical dry forest tree species
Am. J. Bot. 2007 94: 515-525. [Abstract] [Full Text] [PDF]  

Eva Grotkopp and Marcel Rejmánek

High seedling relative growth rate and specific leaf area are traits of invasive species: phylogenetically independent contrasts of woody angiosperms
Am. J. Bot. 2007 94: 526-532. [Abstract] [Full Text] [PDF]  

Mycology and Plant Pathology:

Helen A. Violi, John A. Menge, and Robert J. Beaver

Chaetomium elatum (Kunze: Chaetomiaceae) as a root-colonizing fungus in avocado: is it a mutualist, cheater, commensalistic associate, or pathogen?
Am. J. Bot. 2007 94: 690-700. [Abstract] [Full Text] [PDF]  

Paleobotany:

Jian Yang, Yu-Fei Wang, Robert A. Spicer, Volker Mosbrugger, Cheng-Sen Li, and Qi-Gao Sun

Climatic reconstruction at the Miocene Shanwang basin, China, using leaf margin analysis, CLAMP, coexistence approach, and overlapping distribution analysis
Am. J. Bot. 2007 94: 599-608. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Ruth A. Stockey, Gar W. Rothwell, and Kirk R. Johnson

Cobbania corrugata gen. et comb. nov. (Araceae): a floating aquatic monocot from the Upper Cretaceous of western North America
Am. J. Bot. 2007 94: 609-624. [Abstract] [Full Text] [PDF]  

Physiology and Biochemistry:

Alexander R. Cobb, Brendan Choat, and N. Michele Holbrook

Dynamics of freeze–thaw embolism in Smilax rotundifolia (Smilacaceae)
Am. J. Bot. 2007 94: 640-649. [Abstract] [Full Text] [PDF]  

Population Biology:

Jessica Poulin, Ann K. Sakai, Stephen G. Weller, and Tan Nguyen

Phenotypic plasticity, precipitation, and invasiveness in the fire-promoting grass Pennisetum setaceum (Poaceae)
Am. J. Bot. 2007 94: 533-541. [Abstract] [Full Text] [PDF]  

Bryan R. Benz, Jennifer M. Rhode, and Mitchell B. Cruzan

Aerenchyma development and elevated alcohol dehydrogenase activity as alternative responses to hypoxic soils in the Piriqueta caroliniana complex
Am. J. Bot. 2007 94: 542-550. [Abstract] [Full Text] [PDF]  

Pteridology:

James E. Watkins, Jr., Michelle K. Mack, and Stephen S. Mulkey

Gametophyte ecology and demography of epiphytic and terrestrial tropical ferns
Am. J. Bot. 2007 94: 701-708. [Abstract] [Full Text] [PDF]  

Reproductive Biology:

Dino J. Martins and Steven D. Johnson

Hawkmoth pollination of aerangoid orchids in Kenya, with special reference to nectar sugar concentration gradients in the floral spurs
Am. J. Bot. 2007 94: 650-659. [Abstract] [Full Text] [PDF]  

Ian A. Zelaya, Micheal D. K. Owen, and Mark J. VanGessel

Transfer of glyphosate resistance: evidence of hybridization in Conyza (Asteraceae)
Am. J. Bot. 2007 94: 660-673. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Jane E. Carlson

Male-biased nectar production in a protandrous herb matches predictions of sexual selection theory in plants
Am. J. Bot. 2007 94: 674-682. [Abstract] [Full Text] [PDF]  

Gecele M. Paggi, Clarisse Palma-Silva, Lucas C. T. Silveira, Eliane Kaltchuk-Santos, Maria H. Bodanese-Zanettini, and Fernanda Bered

Fertility of Vriesea gigantea Gaud. (Bromeliaceae) in southern Brazil
Am. J. Bot. 2007 94: 683-689. [Abstract] [Full Text] [PDF]  

Systematics and Phytogeography:

Ian G. Whipple, Mary E. Barkworth, and Bradley S. Bushman

Molecular insights into the taxonomy of Glyceria (Poaceae: Meliceae) in North America
Am. J. Bot. 2007 94: 551-557. [Abstract] [Full Text] [PDF] [Supplementary References]  

Guillermo C. Amico, Romina Vidal-Russell, and Daniel L. Nickrent

Phylogenetic relationships and ecological speciation in the mistletoe Tristerix (Loranthaceae): the influence of pollinators, dispersers, and hosts
Am. J. Bot. 2007 94: 558-567. [Abstract] [Full Text] [PDF] [Supplementary Data]  

Sasa Stefanovic, Maria Kuzmina, and Mihai Costea

Delimitation of major lineages within Cuscuta subgenus Grammica (Convolvulaceae) using plastid and nuclear DNA sequences
Am. J. Bot. 2007 94: 568-589. [Abstract] [Full Text] [PDF] [Supplementary Data]  

A. Vanderpoorten, F. J. Rumsey, and M. A. Carine

Does Macaronesia exist? Conflicting signal in the bryophyte and pteridophyte floras
Am. J. Bot. 2007 94: 625-639. [Abstract] [Full Text] [PDF] [Supplementary Data]  

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