In this issue:

Am. J. Bot. 2004 91: 0. [Full Text]  

Brief Communication:

ERRATUM
Am. J. Bot. 2004 91: 1199. [Full Text]  

Jean-Claude Walser

Molecular evidence for limited dispersal of vegetative propagules in the epiphytic lichen Lobaria pulmonaria
Am. J. Bot. 2004 91: 1273-1276. [Abstract] [Full Text]  

Bryology and Lichenology:

Steven K. Rice and Nicole Schneider

Cushion size, surface roughness, and the control of water balance and carbon flux in the cushion moss Leucobryum glaucum (Leucobryaceae)
Am. J. Bot. 2004 91: 1164-1172. [Abstract] [Full Text]  

Norton G. Miller and Stuart F. McDaniel

Bryophyte dispersal inferred from colonization of an introduced substratum on Whiteface Mountain, New York
Am. J. Bot. 2004 91: 1173-1182. [Abstract] [Full Text]  

Ecology:

Jordina Belmonte and Montserrat Vilà

Atmospheric invasion of non-native pollen in the Mediterranean region
Am. J. Bot. 2004 91: 1243-1250. [Abstract] [Full Text]  

Jessica E. Peterson and Andrew H. Baldwin

Variation in wetland seed banks across a tidal freshwater landscape
Am. J. Bot. 2004 91: 1251-1259. [Abstract] [Full Text]  

Daniel Primack, Carolyn Imbres, Richard B. Primack, Abraham J. Miller-Rushing, and Peter Del Tredici

Herbarium specimens demonstrate earlier flowering times in response to warming in Boston
Am. J. Bot. 2004 91: 1260-1264. [Abstract] [Full Text] [Supplementary Data]  

Genetics and Molecular Biology:

Saara J. DeWalt and J. L. Hamrick

Genetic variation of introduced Hawaiian and native Costa Rican populations of an invasive tropical shrub, Clidemia hirta (Melastomataceae)
Am. J. Bot. 2004 91: 1155-1162. [Abstract] [Full Text] [Supplementary Data]  

Paleobotany:

Iju Chen, Steven R. Manchester, and Zhiduan Chen

Anatomically preserved seeds of Nuphar (Nymphaeaceae) from the Early Eocene of Wutu, Shandong Province, China
Am. J. Bot. 2004 91: 1265-1272. [Abstract] [Full Text]  

Reproductive Biology:

F. Xavier Picó, N. Joop Ouborg, and Jan M. Van Groenendael

Evaluation of the extent of among-family variation in inbreeding depression in the perennial herb Scabiosa columbaria (Dipsacaceae)
Am. J. Bot. 2004 91: 1183-1189. [Abstract] [Full Text]  

Jean-Claude Caissard, Aroonrat Meekijjironenroj, Sylvie Baudino, and Marie-Charlotte Anstett

Localization of production and emission of pollinator attractant on whole leaves of Chamaerops humilis (Arecaceae)
Am. J. Bot. 2004 91: 1190-1199. [Abstract] [Full Text]  

Amy L. Parachnowitsch and Elizabeth Elle

Variation in sex allocation and male–female trade-offs in six populations of Collinsia parviflora (Scrophulariaceae s.l.)
Am. J. Bot. 2004 91: 1200-1207. [Abstract] [Full Text]  

Systematics:

Richard E. Miller, J. Andrew McDonald, and Paul S. Manos

Systematics of Ipomoea subgenus Quamoclit (Convolvulaceae) based on ITS sequence data and a Bayesian phylogenetic analysis
Am. J. Bot. 2004 91: 1208-1218. [Abstract] [Full Text] [Supplementary Data]  

Michelle McMahon and Larry Hufford

Phylogeny of Amorpheae (Fabaceae: Papilionoideae)
Am. J. Bot. 2004 91: 1219-1230. [Abstract] [Full Text] [Supplementary Data]  

Judita Lihová, Javier Fuertes Aguilar, Karol Marhold, and Gonzalo Nieto Feliner

Origin of the disjunct tetraploid Cardamine amporitana (Brassicaceae) assessed with nuclear and chloroplast DNA sequence data
Am. J. Bot. 2004 91: 1231-1242. [Abstract] [Full Text] [Supplementary Data]  

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