In this issue:

Am. J. Bot. 2003 90: 0. [Full Text]  

Book Review:

R. Geeta

Variation and diversification in plant evo-devo
Am. J. Bot. 2003 90: 1257-1261. [Full Text]  

Brief Communication:

Olga Speck

Field measurements of wind speed and reconfiguration in Arundo donax (Poaceae) with estimates of drag forces
Am. J. Bot. 2003 90: 1253-1256. [Abstract] [Full Text]  

Development and Morphogenesis:

Wanda J. Kelly and Todd J. Cooke

Geometrical relationships specifying the phyllotactic pattern of aquatic plants
Am. J. Bot. 2003 90: 1131-1143. [Abstract] [Full Text]  

Ecology:

D. Lee Taylor, Thomas D. Bruns, Timothy M. Szaro, and Scott A. Hodges

Divergence in mycorrhizal specialization within Hexalectris spicata (Orchidaceae), a nonphotosynthetic desert orchid
Am. J. Bot. 2003 90: 1168-1179. [Abstract] [Full Text]  

Hong Liu and Suzanne Koptur

Breeding system and pollination of a narrowly endemic herb of the Lower Florida Keys: impacts of the urban-wildland interface
Am. J. Bot. 2003 90: 1180-1187. [Abstract] [Full Text]  

Megan E. Griffiths and Colin M. Orians

Salt spray differentially affects water status, necrosis, and growth in coastal sandplain heathland species
Am. J. Bot. 2003 90: 1188-1196. [Abstract] [Full Text]  

Tara A. Forbis

Seedling demography in an alpine ecosystem
Am. J. Bot. 2003 90: 1197-1206. [Abstract] [Full Text]  

Tiffany M. Knight

Effects of herbivory and its timing across populations of Trillium grandiflorum (Liliaceae)
Am. J. Bot. 2003 90: 1207-1214. [Abstract] [Full Text] [Supplemental Data]  

Genetics and Molecular Biology:

Sanna Black-Samuelsson and Stefan Andersson

The effect of nutrient stress on developmental instability in leaves of Acer platanoides (Aceraceae) and Betula pendula (Betulaceae)
Am. J. Bot. 2003 90: 1107-1112. [Abstract] [Full Text]  

Vladimir L. Semerikov and Martin Lascoux

Nuclear and cytoplasmic variation within and between Eurasian Larix (Pinaceae) species
Am. J. Bot. 2003 90: 1113-1123. [Abstract] [Full Text] [Supplemental Data]  

Paleobotany:

Michael T. Dunn, Gar W. Rothwell, and Gene Mapes

On Paleozoic plants from marine strata: Trivena arkansana (Lyginopteridaceae) gen. et sp. nov., a lyginopterid from the Fayetteville Formation (middle Chesterian/Upper Mississippian) of Arkansas, USA
Am. J. Bot. 2003 90: 1239-1252. [Abstract] [Full Text]  

Population Biology:

Kelly Gravuer, Eric J. von Wettberg, and Johanna Schmitt

Dispersal biology of Liatris scariosa var. novae-angliae (Asteraceae), a rare New England grassland perennial
Am. J. Bot. 2003 90: 1159-1167. [Abstract] [Full Text] [Supplemental Data]  

Reproductive Biology:

Michael S. Lott, John C. Volin, Robert W. Pemberton, and Daniel F. Austin

The reproductive biology of the invasive ferns Lygodium microphyllum and L. japonicum (Schizaeaceae): implications for invasive potential
Am. J. Bot. 2003 90: 1144-1152. [Abstract] [Full Text]  

Shin-Ichi Morinaga, Kazuki Tsuji, and Satoki Sakai

Consequences of differences in flowering date on seed production in Heloniopsis orientalis (Liliaceae)
Am. J. Bot. 2003 90: 1153-1158. [Abstract] [Full Text]  

Structure and Development:

Akitoshi Iwamoto, Akiko Shimizu, and Hideaki Ohba

Floral development and phyllotactic variation in Ceratophyllum demersum (Ceratophyllaceae)
Am. J. Bot. 2003 90: 1124-1130. [Abstract] [Full Text]  

Systematics:

Larry Hufford, Michelle M. McMahon, Anna M. Sherwood, Gail Reeves, and Mark W. Chase

The major clades of Loasaceae: phylogenetic analysis using the plastid matK and trnL-trnF regions
Am. J. Bot. 2003 90: 1215-1228. [Abstract] [Full Text] [Supplemental Data]  

Valéria C. Muschner, Aline P. Lorenz, Armando C. Cervi, Sandro L. Bonatto, Tatiana T. Souza-Chies, Francisco M. Salzano, and Loreta B. Freitas

A first molecular phylogenetic analysis of Passiflora (Passifloraceae)
Am. J. Bot. 2003 90: 1229-1238. [Abstract] [Full Text] [Supplemental Data]  

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